APC Uninterruptible Power Supplies: 15 Picks Ranked by Specs
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Finding the best APC uninterruptible power supplies depends on matching battery capacity and form factor to your hardware requirements. APC provides standalone desktop units ranging from 550VA to 1500VA with LCD displays, as well as dedicated replacement battery cartridges to restore existing backup systems.
The APC 1350VA Pure Sine Wave UPS leads the rankings because it delivers 810W of clean backup power for home office setups requiring pure sine power. This guide compares 15 products strictly using the specifications published on the listings so you can choose the right model for your devices.
Quick picks
Our 15 picks
APC 1350VA Pure Sine Wave UPS
Best for: home office setups requiring pure sine power
- Apparent Power
- 1350VA
- Output Wattage
- 810W
- Output Waveform
- Pure Sine Wave
- Total Outlets
- 10
- Dimensions
- 14.5 × 3.9 × 10.2 inches
- Weight
- 25.7 pounds
This uninterruptible power supply provides 810W and 1350VA of battery backup for your electronics. It outputs a pure sine wave and includes automatic voltage regulation to correct low and high utility voltage. You receive ten protected outlets, including six with battery support, plus front USB-A and USB-C charging ports. This configuration fits home office setups, computers, networking gear, and connected storage devices that require clean, steady power during blackouts.
Pros
- Pure sine wave output for sensitive electronics
- Ten total outlets with six battery-backed connections
- Automatic voltage regulation corrects low and high voltage
- Front USB-C and USB-A charging ports with 5V/3A shared output
Cons
- Four of the ten outlets provide surge protection without battery backup
- Unit weight is relatively heavy at 25.7 pounds
- Replacement battery model APCRBC161 is sold separately
Good fit if
- You need pure sine wave power for desktop computers and sensitive hardware.
- You want real-time load wattage and remaining runtime on an LCD screen.
- You need up to 54 minutes of backup runtime for a 100W load.
Skip if
- You need more than 810W of sustained battery backup capacity.
- You require battery backup on more than six connected devices.
- You need a lightweight backup power unit under 25 pounds.
Verdict: APC 1350VA Pure Sine Wave UPS delivers clean 810W backup power and clear LCD monitoring for critical electronics. It offers balanced surge and battery coverage for demanding workstations and network gear.
APC Replacement Battery Cartridge
Best for: restoring runtime on compatible APC backup units
- Dimensions
- 5.94 × 2.52 × 3.7 inches
- Weight
- 1.54 pounds
This genuine APC replacement battery cartridge restores your compatible UPS to original factory performance without buying a full power supply. It measures 2.52 by 3.7 by 5.94 inches, weighs 1.54 pounds, and comes with a 2-year manufacturer warranty. You get tested compatibility for APC Back-UPS models BK350, BK500, and BK500BLK, along with the Smart-UPS SC420. It suits you if you need to fix runtime issues on an existing unit.
Pros
- Tested and certified to restore factory specifications
- Backed by a 2-year manufacturer warranty
- Compact dimensions of 2.52 by 3.7 by 5.94 inches
- Lightweight cartridge design at 1.54 pounds
Cons
- Compatible only with select models including BK350, BK500, BK500BLK, and SC420
- Provides a replacement battery cartridge rather than a complete UPS unit
- Will not restore runtime if the UPS electronics are damaged
Good fit if
- You own an APC BK350, BK500, BK500BLK, or Smart-UPS SC420.
- You need to resolve runtime degradation on an operational UPS.
- You prefer an official manufacturer cartridge with a 2-year warranty.
Skip if
- You own an APC UPS model outside the supported compatibility list.
- You need an entire UPS system with outlets and surge protection.
- You have a failing UPS chassis that needs total replacement.
Verdict: APC RBC2 UPS Replacement Battery delivers official factory compatibility and a 2-year warranty to restore your supported backup unit. It is an ideal refresh if your compatible APC hardware remains in good working order.
APC Smart-UPS Replacement Battery
Best for: restoring runtime on compatible Smart-UPS systems
- Dimensions
- 4 × 11.9 × 1.4 inches
- Weight
- 25.7 pounds
This is an official replacement battery cartridge designed for compatible APC Smart-UPS units. It weighs 25.7 pounds and measures 11.9 by 4 by 1.4 inches in a black enclosure. If your compatible backup power unit suffers from degraded runtime but still operates properly, this cartridge restores factory power specifications. It suits you if you need to refresh an existing Smart-UPS system backed by an included two-year manufacturer warranty.
Pros
- Restores UPS performance to original factory specifications
- Includes a 2-year manufacturer warranty
- Certified compatibility with select Smart-UPS hardware
- Genuine OEM replacement cartridge
Cons
- Heavy unit weighing 25.7 pounds
- Requires a separate compatible Smart-UPS chassis
- Limited strictly to specific compatible Smart-UPS models
Good fit if
- You own a compatible Smart-UPS chassis needing runtime restoration.
- You want an official manufacturer-backed battery with a 2-year warranty.
Skip if
- You need a complete UPS unit with power outlets and inverter hardware.
- You use an unsupported APC model or another power backup brand.
Verdict: APC Smart-UPS Replacement Battery delivers certified factory runtime restoration and a two-year warranty for supported hardware. It is an ideal refresh option if your existing Smart-UPS unit remains fully functional.
APC Smart-UPS Replacement Battery Cartridge
Best for: servicing compatible 2200VA and 3000VA Smart-UPS systems
- Dimensions
- 1.1 × 9.7 × 6.5 inches
- Weight
- 42 pounds
This APC replacement battery cartridge restores factory runtime for compatible Smart-UPS rackmount systems. Weighing 42 pounds and measuring 9.7 by 6.5 by 1.1 inches, this heavy black unit fits specific high-capacity units including select 2200VA and 3000VA hardware. You get official factory certification along with a 2-year manufacturer warranty. It suits you if your existing rackmount enclosure remains functional but no longer holds a charge during power outages.
Pros
- Backed by a 2-year manufacturer warranty
- Tested and certified to restore original factory specifications
- Restores runtime for select 2200VA and 3000VA Smart-UPS models
Cons
- Heavy physical weight of 42 pounds
- Compatibility limited strictly to select Smart-UPS hardware
- Will not restore runtime if the host UPS hardware itself is failing
Good fit if
- You own a compatible model such as the SMT2200RM2UC or SMT3000RM2UC.
- You want an authentic factory-certified replacement with a 2-year warranty.
- You have a healthy UPS chassis that only requires fresh cells.
Skip if
- You need an entire standalone UPS unit with electronics and outlets.
- You use desktop Back-UPS models that require a different cartridge size.
- You cannot safely manage installation of a 42-pound component.
Verdict: APC Smart-UPS Replacement Battery Cartridge delivers factory-certified power restoration and a 2-year warranty for designated rackmount units. It provides a heavy-duty drop-in solution when your existing host hardware remains in good working shape.
APC UPS Replacement Battery Cartridge
Best for: replacing batteries in compatible APC Back-UPS units
- Dimensions
- 6 × 2.5 × 3.75 inches
- Weight
- 6.31 pounds
This is an official replacement battery designed to restore factory runtime to compatible APC Back-UPS systems. It comes fully assembled, weighs 6.31 pounds, and measures 6 inches long by 2.5 inches wide and 3.75 inches high. It suits you if you need a fresh power cell for supported hardware like the BE650G1 or BR700G and want a simple swap backed by a 2-year manufacturer warranty without buying a new unit.
Pros
- Fully assembled design allows tool-free installation
- Includes a 2-year manufacturer warranty
- Certified cartridge restores original factory runtime
- Compact footprint measuring 6 by 2.5 by 3.75 inches
Cons
- Limited to six specific APC Back-UPS models
- Requires an existing functional UPS unit to operate
- Weighs 6.31 pounds for a single battery cell
Good fit if
- You own a compatible model such as the BE650G1, BR700G, or BE850G2.
- You want a fully assembled cartridge backed by a 2-year warranty.
Skip if
- You need an entire standalone UPS unit rather than a replacement battery.
- You operate an APC system outside the supported compatibility list.
Verdict: APC Back-UPS Replacement Battery delivers a tool-free, fully assembled power refresh for six compatible APC backup models. It restores original factory runtime performance under a two-year manufacturer warranty.
APC Compact UPS Replacement Battery
Best for: refreshing compatible APC BE350 series units
- Dimensions
- 5.28 × 2.28 × 2.6 inches
- Weight
- 3.08 pounds
This unit is an OEM replacement battery cartridge designed for select compact APC backup systems. It weighs 3.08 pounds and measures 5.28 inches long by 2.28 inches wide by 2.6 inches tall, restoring your unit to original factory specifications. It suits you if you need to refresh battery runtime on compatible desktop units without replacing the entire hardware enclosure.
Pros
- Restores compatible units to original factory specifications
- Backed by a 2-year manufacturer warranty
- Compact dimensions of 5.28 by 2.28 by 2.6 inches
- Weighs 3.08 pounds
Cons
- Only compatible with BE350G and BE350C models
- Battery only without standalone UPS electronics or outlets
Good fit if
- You own an APC BE350G or BE350C model needing runtime restoration.
- You want an official OEM replacement with a 2-year warranty.
Skip if
- You need a complete UPS unit with power outlets.
- You own an APC unit outside the BE350 lineup.
Verdict: APC Compact UPS Replacement Battery restores runtime to compatible compact models using original factory specifications. It delivers an exact physical fit and includes a 2-year manufacturer warranty.
APC Smart-UPS Replacement Battery Cartridge
Best for: refreshing compatible APC Smart-UPS battery runtimes
- Dimensions
- 5.2 × 5.91 × 4.25 inches
This genuine APC Smart-UPS battery cartridge restores your compatible backup unit to factory specifications. It measures 5.91 inches wide, 5.2 inches long, and 4.25 inches high, designed specifically for units like the SMT750 series. APC backs this black replacement pack with a two-year warranty and includes access to a free battery recycling program using the original shipping carton. It suits you if your existing backup unit needs fresh runtime.
Pros
- Tested and certified to restore UPS to original specifications
- Backed by a two-year manufacturer warranty
- Free return recycling program via manufacturer packaging
- Compact dimensions at 5.91 by 5.2 by 4.25 inches
Cons
- Replacement battery cartridge only, not a complete UPS unit
- Compatibility restricted to specific models including SMT750 and SUA750
Good fit if
- You own an APC SMT750, SMT750US, or SUA750 system.
- You want certified hardware backed by a two-year warranty.
- You plan to recycle your depleted battery through official channels.
Skip if
- You need a standalone power supply with surge outlets.
- You own an APC unit that requires a different battery size.
Verdict: APC Smart-UPS Replacement Battery Cartridge restores compatible SMT750 and SUA750 systems to original operating specifications. The included two-year warranty and free return recycling ensure direct maintenance for existing hardware.
APC Smart-UPS Dedicated Replacement Battery
Best for: refreshing compatible high-capacity Smart-UPS units
- Dimensions
- 7.2 × 5.59 × 6.81 inches
- Weight
- 2.2 pounds
This genuine APC replacement battery cartridge restores factory runtime for compatible Smart-UPS hardware. It weighs 2.2 pounds and measures 7.2 by 5.59 by 6.81 inches, making it a direct-fit cartridge for your chassis. Backed by a two-year manufacturer warranty, this module is built for anyone needing fresh cells for high-capacity systems like the SMT2200C, SMT3000C, or SUA5000RMT5U rather than replacing the complete unit.
Pros
- Backed by a 2-year manufacturer warranty
- Certified to restore UPS performance to factory specifications
- Compatible with SMT2200C, SMT3000C, SUA5000RMT5U, and select Smart-UPS models
- Compact footprint measuring 7.2 by 5.59 by 6.81 inches
Cons
- Serves only as a replacement battery, not a standalone UPS
- Limited to specific high-capacity Smart-UPS models
- Will not resolve runtime issues caused by degraded UPS electronics
Good fit if
- You need a factory replacement cartridge for SMT2200C, SMT3000C, or SUA48XLBP units.
- You want a genuine module backed by a 2-year manufacturer warranty.
Skip if
- You need an entire standalone UPS system with integrated outlets and surge protection.
- You operate smaller Back-UPS models rather than supported Smart-UPS hardware.
Verdict: APC Smart-UPS Replacement Battery provides genuine factory-certified cells backed by a 2-year warranty for maintaining compatible large-chassis Smart-UPS hardware.
APC 550VA Battery Backup with 8 Outlets
Best for: basic networking gear and low-wattage office electronics
- Apparent Power
- 550VA
- Output Wattage
- 330W
- Total Outlets
- 8
- Dimensions
- 12 × 3.3 × 7 inches
- Weight
- 13 pounds
The APC 550VA Desktop Battery Backup supplies 330W of reserve power for desktop electronics, modems, and network routers. It features eight total outlets, split evenly between battery-supported surge protection and surge-only sockets. You get up to 29 minutes of runtime at a 100W load to handle short power drops or shut down hardware safely. This compact 13-pound unit suits basic home office workstations and networking setups requiring modest wattage.
Pros
- 8 total outlets with 4 offering battery backup
- Up to 29 minutes of runtime at a 100W load
- User-replaceable battery supported via RBC17
- Compact chassis measuring 3.3 by 7 by 12 inches
Cons
- Maximum power output limited to 330W
- Only 4 of the 8 outlets supply battery backup power
Good fit if
- You need power protection for low-draw equipment like routers, modems, and mini PCs.
- You prefer a UPS with a user-serviceable replacement battery design.
Skip if
- You run high-power desktop hardware exceeding 330W.
- You need battery runtime on more than four connected plugs.
Verdict: APC 550VA Desktop Battery Backup delivers dependable power protection for low-draw hardware with its 330W capacity and eight outlets. It provides steady, short-term support to keep essential modems and small electronics running through power outages.
APC Back-UPS Replacement Battery Cartridge
Best for: APC Back-UPS BE550G battery replacement
- Dimensions
- 2.55 × 5.95 × 4.15 inches
- Weight
- 1 pounds
This genuine APC replacement battery cartridge restores runtime to your compatible Back-UPS unit. It weighs 1 pound and measures 5.95 inches wide, 4.15 inches high, and 2.55 inches long. Built specifically for the Back-UPS BE550G, this certified black cartridge comes backed by a 2-year manufacturer warranty. If your existing BE550G chassis remains functional but no longer holds charge, this module gives you an exact factory-certified power cell.
Pros
- Factory certified for Back-UPS BE550G compatibility
- Backed by a 2-year manufacturer warranty
- Lightweight 1-pound cartridge
- Compact dimensions of 5.95 by 4.15 by 2.55 inches
Cons
- Compatible only with Back-UPS model BE550G
- Will not resolve runtime issues if the UPS hardware itself is degraded
- Provides only the replacement cartridge, not a full UPS unit
Good fit if
- You own a functional APC Back-UPS BE550G needing a fresh battery.
- You want an official 1-pound replacement cartridge covered by a 2-year warranty.
Skip if
- You use a different Back-UPS or Smart-UPS model.
- You need an entirely new power supply unit with surge outlets.
Verdict: APC Back-UPS Replacement Battery provides a factory-certified cell to restore runtime to a BE550G unit. It delivers an exact physical fit backed by a 2-year warranty.
APC 700VA 420W UPS with LCD
Best for: powering home Wi-Fi routers and modems
- Apparent Power
- 700VA
- Output Wattage
- 420W
- Device Compatibility
- Routers
- Dimensions
- 12.2 × 3.58 × 7.48 inches
- Weight
- 15.8 pounds
The APC 700VA 420W Battery Backup UPS with LCD delivers emergency power for essential desktop gear and network hardware. You get 420 watts across six total outlets, splitting capacity between three battery backup ports and three surge-only ports. Automatic voltage regulation stabilizes input brownouts as low as 88 volts without tapping the battery. This unit suits you if you need to keep your Wi-Fi router, modem, or low-draw devices running during outages.
Pros
- Provides up to 39 minutes of backup runtime at a 100W load
- Automatic voltage regulation corrects brownouts down to 88V
- Front LCD display tracks load capacity, battery level, and runtime
- Includes dedicated Ethernet and coaxial surge protection ports
Cons
- Only 3 of the 6 outlets provide battery backup power
- Output capacity is limited to 420W and 700VA
Good fit if
- You need extended backup runtime for lower-wattage electronics like Wi-Fi routers and modems.
- You want real-time status diagnostics via a front panel LCD display.
Skip if
- You require more than 420W of output to support demanding workstations or gaming PCs.
- You have more than three devices that require simultaneous battery backup support.
Verdict: APC 700VA 420W Battery Backup UPS with LCD delivers reliable voltage regulation and runtime for networking gear during brief power dropouts. It provides steady protection for equipment that stays under its 420W threshold.
APC Back-UPS Pro 1300VA 780W UPS
Best for: desktop setups needing automatic voltage regulation
- Apparent Power
- 1300VA
- Output Wattage
- 780W
- UPS Topology
- Line-interactive
- Total Outlets
- 10
- Battery Chemistry
- Lead-Acid
- Dimensions
- 3.2 × 14.5 × 3.2 inches
This line-interactive uninterruptible power supply delivers up to 1300VA and 780W of capacity to protect your critical hardware during blackouts. You get 10 total outlets, split evenly between battery backup with surge suppression and surge protection alone. Automatic voltage regulation stabilizes incoming utility fluctuations without draining the internal lead-acid battery. It suits your desktop workstation, wireless router, external storage drives, and connected network gear needing reliable shutdown and uptime protection.
Pros
- 1300VA and 780W power capacity
- 10 total outlets for connected equipment
- Automatic Voltage Regulation stabilizes voltage without battery drain
- Line-interactive topology
Cons
- Only 5 of the 10 outlets provide battery backup
- Heavy chassis weighing 23.1 pounds
Good fit if
- You need 780W or less of backup power for your desktop PC and peripherals.
- You want Automatic Voltage Regulation to handle minor utility voltage drops.
- You require up to 5 battery-backed outlets for core electronics.
Skip if
- You need more than 5 devices backed by battery reserve.
- You run equipment requiring more than 780W of total output.
Verdict: APC Back-UPS Pro 1300VA Line-Interactive UPS provides solid 780W capacity and automatic voltage regulation across 10 total outlets. It keeps your desktop computer, network router, and essential peripherals running during sudden outages.
APC Back-UPS Pro 1500VA Battery Backup
Best for: home offices needing expandable battery runtime
- Apparent Power
- 1500VA
- Output Wattage
- 865W
- Dimensions
- 15 × 4.4 × 11.9 inches
- Weight
- 21 pounds
This APC uninterruptible power supply delivers 1500VA and 865W of output to protect your equipment during outages and brownouts. You get ten total outlets, split evenly between five battery-backed connections and five surge-only ports. Built-in automatic voltage regulation stabilizes incoming utility power, and the unit supports an optional external battery pack if you need extended runtime beyond the standard 73 minutes at a 100W load.
Pros
- 1500VA and 865W output capacity
- Ten total outlets with five on battery backup
- Automatic voltage regulation corrects dips down to 88V
- Supports add-on battery pack for expanded runtime
- Integrated Ethernet and coaxial line protection
Cons
- Only five of the ten outlets provide battery backup
- Supplemental battery pack sold separately
- Weighs 21 pounds
Good fit if
- You need up to 865W of backup capacity for office gear or gaming PCs.
- You want the option to add an external battery pack later for longer runtimes.
- You experience unstable line voltage and need automatic voltage regulation.
Skip if
- You need battery backup on more than five plugs.
- You require a lightweight unit under 20 pounds.
Verdict: APC Back-UPS Pro 1500VA Battery Backup delivers 865W of regulated power with ten surge-protected outlets for home workstations. It stands out by offering an expansion port for supplemental battery packs when standard runtime is not enough.
APC Back-UPS and Smart-UPS Replacement Battery
Best for: BX1500M, BR1500G, and SMC1000-2UC battery replacement
- Dimensions
- 8.86 × 7.24 × 3.78 inches
- Weight
- 1.54 pounds
View on Amazon: APC Back-UPS and Smart-UPS Replacement Battery
This genuine APC replacement battery cartridge restores your compatible power backup unit to original factory specifications. Measuring 8.86 by 7.24 by 3.78 inches and weighing 1.54 pounds, it brings dedicated direct-fit power cells to your setup. It suits you if you need an official replacement for Back-UPS models BX1500M and BR1500G or Smart-UPS model SMC1000-2UC, supported by an included 2-year manufacturer warranty.
Pros
- Backed by a 2-year manufacturer warranty
- Certified to restore factory performance specifications
- Compatible with BX1500M, BR1500G, and SMC1000-2UC hardware
- Compact dimensions of 8.86 by 7.24 by 3.78 inches
Cons
- Compatibility limited to three specific UPS models
- Cartridge only with no integrated outlets or display
Good fit if
- You own an APC BX1500M, BR1500G, or SMC1000-2UC unit.
- You want an authentic cartridge backed by a 2-year warranty.
Skip if
- You need a standalone UPS unit with surge outlets.
- You use an APC model not listed in its compatibility specs.
Verdict: APC Replacement Battery Cartridge provides certified factory restoration and a 2-year warranty for your BX1500M, BR1500G, or SMC1000-2UC unit. It delivers a direct-fit replacement if your compatible APC hardware needs a fresh power cell.
APC 650VA 390W 8-Outlet Battery Backup
Best for: home office setups and network gear
- Apparent Power
- 650VA
- Output Wattage
- 390W
- Total Outlets
- 8
- Dimensions
- 7.09 × 11.2 × 3.39 inches
- Weight
- 13.6 pounds
This unit is a desktop UPS providing 650VA and 390W of backup power. You get eight total outlets, split evenly between battery-backed surge protection and surge-only protection. At a 100W load, it delivers up to 22 minutes of runtime. Mutable audible alerts and status indicators keep you informed. It suits you if you need reliable outage coverage for a router, modem, or low-draw office computer.
Pros
- Provides 390W and 650VA output capacity
- Offers 8 total outlets with 4 battery-supported plugs
- Delivers up to 22 minutes of runtime at a 100W load
- Includes user-replaceable battery design
Cons
- Only 4 of the 8 outlets provide battery backup
- Total connected load cannot exceed 390W
Good fit if
- You need up to 22 minutes of runtime for 100W equipment like routers or a NAS.
- You have up to four essential devices needing battery power alongside surge-only gear.
Skip if
- You require more than 390W of total capacity for high-draw PCs.
- You need battery backup on all eight power outlets.
Verdict: APC 650VA 390W 8-Outlet Battery Backup delivers steady power protection and up to 22 minutes of runtime at 100W for essential home electronics. It is a practical choice when you need basic battery support alongside surge-protected connections.
Specifications side by side
| Spec | APC 1350VA Pure Sine Wave UPS | APC Replacement Battery Cartridge | APC Smart-UPS Replacement Battery | APC Smart-UPS Replacement Battery Cartridge | APC UPS Replacement Battery Cartridge | APC Compact UPS Replacement Battery | APC Smart-UPS Replacement Battery Cartridge | APC Smart-UPS Dedicated Replacement Battery | APC 550VA Battery Backup with 8 Outlets | APC Back-UPS Replacement Battery Cartridge | APC 700VA 420W UPS with LCD | APC Back-UPS Pro 1300VA 780W UPS | APC Back-UPS Pro 1500VA Battery Backup | APC Back-UPS and Smart-UPS Replacement Battery | APC 650VA 390W 8-Outlet Battery Backup |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apparent Power | 1350VA | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 550VA | not specified | 700VA | 1300VA | 1500VA | not specified | 650VA |
| Output Wattage | 810W | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 330W | not specified | 420W | 780W | 865W | not specified | 390W |
| Output Waveform | Pure Sine Wave | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| UPS Topology | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Line-interactive | not specified | not specified | not specified |
| Total Outlets | 10 | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 8 | not specified | not specified | 10 | not specified | not specified | 8 |
| Battery Chemistry | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Lead-Acid | not specified | not specified | not specified |
| Waveform | Pure Sine Wave | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Device Compatibility | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Routers | not specified | not specified | not specified | not specified |
| Dimensions | 14.5 × 3.9 × 10.2 inches | 5.94 × 2.52 × 3.7 inches | 4 × 11.9 × 1.4 inches | 1.1 × 9.7 × 6.5 inches | 6 × 2.5 × 3.75 inches | 5.28 × 2.28 × 2.6 inches | 5.2 × 5.91 × 4.25 inches | 7.2 × 5.59 × 6.81 inches | 12 × 3.3 × 7 inches | 2.55 × 5.95 × 4.15 inches | 12.2 × 3.58 × 7.48 inches | 3.2 × 14.5 × 3.2 inches | 15 × 4.4 × 11.9 inches | 8.86 × 7.24 × 3.78 inches | 7.09 × 11.2 × 3.39 inches |
| Weight | 25.7 pounds | 1.54 pounds | 25.7 pounds | 42 pounds | 6.31 pounds | 3.08 pounds | not specified | 2.2 pounds | 13 pounds | 1 pounds | 15.8 pounds | 23.1 pounds | 21 pounds | 1.54 pounds | 13.6 pounds |
| Size | 1350VA | RBC2 | 1 Count (Pack of 1) | RBC43 | RBC17 | RBC35 | RBC48 | RBC55 | 550VA | APCRBC110 | 700VA | 1300VA | BR1500G | APCRBC124 | 11.2"D x 7.09"W x 3.46"H |
| Color | Black | black | Black | Black | Black | Black | Black | Black | Black | Black | 3x NEMA 5-15R (Battery Backup) | Battery Type: Maintenance-free sealed Lead-Acid battery with suspended electrolyte, leakproof | Black | Black | Black |
| Model | BR1350MS | RBC2 | RBC7 | RBC43 | RBC17 | RBC35 | RBC48 | RBC55 | BE550G | APCRBC110 | BR700G | BR1300G | BR1500G | APCRBC124 | BE650G1 |
Comparing the APC Hardware Lineup
Complete systems split between pure sine wave output and standard automatic voltage regulation. The APC 1350VA Pure Sine Wave UPS delivers clean power for sensitive electronics. For standard desktop loads and networking hardware, units like the APC Back-UPS Pro 1300VA 780W UPS and the smaller APC 550VA Battery Backup with 8 Outlets regulate line voltage during drops.
The remaining options focus on maintenance form factors. Cartridges like the APC Smart-UPS Replacement Battery Cartridge restore internal runtime to existing enclosures without requiring a new chassis. You should choose complete backups for fresh workstation installations and replacement cartridges for servicing operational hardware.
Where APC Power Protection Fits Best
APC suits you if you need standalone desktop backup power between 550VA (330W) and 1500VA (865W). The physical spread spans compact 13-pound desktop blocks up to 25.7-pound vertical towers with LCD monitoring screens and up to ten outlets. More than half the lineup consists of dedicated replacement battery cartridges to refresh older hardware. A key gap exists for enterprise infrastructure. You will not find complete rackmount systems or standalone units rated above 1500VA here; higher tiers like 2200VA and 3000VA appear only as replacement batteries. The list also lacks complete standalone units under 550VA.
If you need extended runtime beyond battery backup capacity, compare wattage ratings across the best champion power equipment generators.
Key Steps for Choosing APC Power Supplies
-
Match Waveform to Power Supplies
Check your computer power supply specifications before selecting an output waveform. Modern workstation and gaming power supplies with active power factor correction require pure sine wave alternating current during a blackout. Stepped approximation waves can cause sensitive hardware to shut down or buzz when running on battery. If you run mission-critical computing hardware or sensitive audio gear, verify pure sine wave support on the spec sheet. The APC BR1350MS specifies pure sine wave output to ensure clean electricity during utility transfers.
-
Calculate Continuous Wattage Needs
Compare the total continuous wattage draw of your connected equipment against the maximum output rating of the uninterruptible power supply. Sizing by volt-amperes alone can mislead you because volt-amperes represent apparent power rather than real power. Total the power requirements of your monitor, computer tower, and storage arrays to ensure the continuous wattage rating stays above that sum. For instance, the APC BE550G handles up to 330W, making it suitable for low-draw networking gear rather than demanding multi-component computer rigs.
-
Verify Exact Replacement Cartridge Codes
Check your existing unit label before buying a replacement battery cartridge. APC identifies cells by dedicated cartridge codes such as RBC17, RBC48, or APCRBC110 rather than generic lead-acid dimensions. Installing an incompatible cartridge model will cause connector mismatches or chassis fit issues inside your existing enclosure. Verify the compatibility chart against your backup unit model code before purchasing. The APC RBC17 cartridge, for example, is engineered specifically for six designated Back-UPS enclosures to guarantee proper terminal fit and voltage.
-
Plan for Runtime Expansion
Determine whether standard internal battery capacity provides enough time to shut down your system cleanly. Standard desktop backups maintain power for several minutes under load, but extended outages demand auxiliary capacity. If your hardware requires prolonged operation during power losses, look for chassis designs that include dedicated external battery connection ports. The APC BR1500G provides an expansion port for supplemental battery packs, allowing you to add external cells when standard runtime is insufficient for your workstation.
-
Check Outlet Type Distribution
Inspect the rear panel layout to distinguish between battery-backed outlets and surge-only protection receptacles. Non-critical peripherals like printers or secondary displays only require surge filtering, whereas network routers and computer towers require continuous battery reserves. Connecting heavy loads to battery outlets depletes reserve time unnecessarily fast. The APC BR700G specifies three NEMA 5-15R battery backup outlets alongside its standard surge connections, providing a compact footprint specifically configured for routing hardware and essential desktop modems.
-
Assess Physical Weight and Enclosure
Check the physical dimensions and overall weight of the unit before planning your installation space. Lead-acid batteries add substantial mass, requiring rigid surfaces or floor placement instead of lightweight hanging shelves. Verify whether the chassis uses a flat desktop layout or a vertical tower profile to fit your available desk footprint. The APC BR1300G weighs 23.1 pounds with its internal sealed lead-acid battery pack, making direct floor placement or reinforced under-desk shelf positioning necessary for stability.
Frequently asked questions
Which APC UPS is best for powering Wi-Fi routers and modems?
The APC 700VA (BR700G) is configured specifically for networking gear like modems and Wi-Fi routers. It delivers 420W across three dedicated battery backup NEMA 5-15R outlets and includes an LCD display for load monitoring. Its 15.8-pound form factor fits easily onto network shelves to maintain continuous connectivity during sudden electrical outages.
Can you attach extra battery packs to extend APC UPS runtime?
Yes, select high-capacity APC units support supplemental battery packs to extend power delivery during extended blackouts. The APC Back-UPS Pro 1500VA (BR1500G) features an external expansion port along with its 865W baseline capacity and ten surge-protected outlets. This port lets you add external cells whenever standard internal battery runtime does not meet your operational needs.
How do you identify the right replacement battery for an APC UPS?
You must check the exact model number printed on your backup chassis against the manufacturer cartridge code. For example, the BE550G requires the APCRBC110 cartridge, whereas the BR1500G uses the APCRBC124 pack. These dedicated replacement cartridges deliver an exact physical fit and match original electrical specifications across supported APC Back-UPS and Smart-UPS systems.
What equipment can an entry-level APC 550VA battery backup run?
An entry-level APC 550VA model like the BE550G supports up to 330W across eight total outlets. This power limit is tailored for low-draw equipment such as network modems, desktop routers, and low-wattage office electronics. Connecting demanding gaming systems or high-power multi-monitor workstations will exceed the 330W threshold and cause the backup unit to overload.
What replacement battery cartridge fits a 2200VA or 3000VA Smart-UPS?
Large-capacity 2200VA and 3000VA Smart-UPS units use the APC RBC43 replacement battery cartridge. This heavy-duty drop-in cartridge weighs 42 pounds and measures 9.7 inches wide by 6.5 inches high. It provides factory-certified cells engineered specifically for designated high-capacity rackmount units, restoring original runtime performance without requiring you to replace the host power hardware.
How long does the APC 650VA unit run a 100W load?
The APC 650VA 390W battery backup (BE650G1) provides up to 22 minutes of runtime when powering a consistent 100W load. It includes eight outlets to safeguard connected hardware against utility power fluctuations while sustaining key electronics through brief disruptions. Its 13.6-pound compact chassis sits flat under workstations or beside home media setups.