8 Best Uninterruptible Power Supplies for Security Cameras, Compared
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A dedicated uninterruptible power supply for security cameras keeps surveillance hardware operational during power cuts. This guide compares 8 models based strictly on specifications published on their listings. The Talentcell 27000mAh Mini Lithium-ion UPS leads the rankings because its 97.2Wh capacity and four dedicated 12V DC ports support multi-camera setups.
Evaluating voltage outputs, connector types, and battery reserves prevents unexpected surveillance downtime. This guide helps you decide which backup unit matches your camera count, voltage needs, and power limits.
Quick picks
The best fit for you
- You need backup for multiple 12V security cameras Talentcell 27000mAh Mini Lithium-ion UPS It provides four dedicated 12V DC ports backed by a 97.2Wh lithium-ion battery.
- You want dedicated backup for a single camera Lioaeust 6000mAh 12V 2A Mini DC UPS It delivers a dedicated 12V 2A output with a 6000mAh battery capacity.
- You power passive PoE and 12V DC cameras together HEHSLZZ 10400mAh Multi-Voltage Mini DC UPS It provides both passive PoE and 12V DC outputs from a 10400mAh battery.
- You need higher wattage capacity across different DC voltages Shanqiu 74Wh Multi-Output Mini DC UPS It supports up to a 60W combined limit across 5V, 9V, and 12V DC outputs.
Our 8 picks
Talentcell 27000mAh Mini Lithium-ion UPS
Best for: multi-camera setups requiring several 12V DC outputs
- Device Compatibility
- Routers, Modems, Security Cameras (what this guide is about)
- Battery Chemistry
- Lithium ion
- Dimensions
- 6.3 × 5.51 × 1.3 inches
- Weight
- 1.54 pounds
This lithium-ion mini uninterruptible power supply provides backup power for DC equipment during outages. You get a 27000mAh (97.2Wh) capacity paired with four 12V DC outputs, one 9V DC output, and two 5V USB ports. It supports devices using 5.5mm x 2.1mm plugs up to a 37W continuous draw. It suits you if you need to keep several security cameras and network hardware running without multiple separate power bricks.
Pros
- Four dedicated 12V DC output ports
- High 27000mAh (97.2Wh) lithium-ion battery capacity
- Simultaneous 12V, 9V, and 5V USB power outputs
- Built-in short-circuit, over-current, and over-charge protection
Cons
- Continuous power output capped at 37W
- 12V port voltage fluctuates between 9V and 12.6V
- Requires separate adapters for devices not using 5.5mm x 2.1mm DC ports
Good fit if
- You need to power up to four 12V security cameras simultaneously.
- You use devices with standard 5.5mm x 2.1mm DC barrel connectors.
- You require multiple voltage options including 12V, 9V, and 5V USB.
Skip if
- You have connected hardware requiring more than 37W of continuous power.
- You need a strictly regulated 12V output rather than a 9V to 12.6V range.
Verdict: Talentcell 27000mAh Mini UPS Battery Pack delivers flexible multi-voltage backup with four dedicated 12V DC ports for multi-camera setups. Its 37W continuous limit requires careful load management, but the 97.2Wh capacity ensures dependable runtimes.
Lioaeust 6000mAh 12V 2A Mini DC UPS
Best for: single 12V security cameras on a budget
- Device Compatibility
- Routers, Modems, Security Cameras (what this guide is about)
- Battery Chemistry
- Lithium
- Dimensions
- 6.69 × 4.72 × 1.57 inches
- Weight
- 10.9 ounces
The Lioaeust Mini UPS delivers dedicated backup power for single security cameras. It provides a fixed 12V 2A output through a 5mm by 2.1mm DC interface, backed by a 6000mAh lithium battery. A built-in protection board guards your hardware against over-voltage, over-current, and over-charging. It suits you if you need a lightweight, no-frills inline power reserve to keep one compatible 12V surveillance camera running through electrical interruptions.
Pros
- Dedicated 12V 2A stabilizing current output
- 6000mAh lithium battery with auto-sleep functionality
- Circuit protection against over-current, over-voltage, and over-discharge
- Compact 0.68-pound chassis for simple placement
Cons
- Fixed 12V DC output with no 5V or 9V support
- Single DC connection port limiting use to one device
- Modest 6000mAh capacity provides limited runtime
Good fit if
- You need backup power for a single 12V 2A security camera.
- You want built-in electrical protection against voltage spikes and overcharging.
- You prefer a small, lightweight unit that mounts easily near a device.
Skip if
- You need multi-voltage ports like 5V USB or 9V DC.
- You need extended runtime requiring more than 6000mAh capacity.
- You plan to back up multiple cameras from one power unit.
Verdict: Lioaeust 12V 2A 6000mAh Mini UPS delivers simple, direct battery backup for a single 12V camera. Its internal protections and compact size make it an efficient option for basic power-loss prevention.
HEHSLZZ 10400mAh Multi-Voltage Mini DC UPS
Best for: 12V DC and passive PoE camera setups
- Device Compatibility
- Routers, Modems, Security Cameras (what this guide is about)
- Output Wattage
- 36W
- Dimensions
- 1.3 × 4.13 × 6.3 inches
- Weight
- 1.32 pounds
This compact uninterruptible power supply delivers up to 36W of backup power for your security cameras and networking equipment. It packs a 10400mAh battery alongside dedicated DC 5V, 9V, and 12V outputs, a USB port, and switchable 15V or 24V PoE ports. You also get nine DC connectors in the box. It suits your setup if you need to run passive PoE or standard 12V surveillance cameras through utility outages.
Pros
- Internal 10400mAh battery supports up to 36W total load
- Provides DC 5V, 9V, and 12V outputs alongside 15V/24V PoE
- Includes nine interchangeable DC barrel connectors
- Features a five-LED indicator for battery status monitoring
Cons
- RJ45 network port data speed is limited to 100Mbps
- Lacks 48V output support for standard 802.3af PoE equipment
Good fit if
- You run security cameras requiring 12V DC or 15V/24V passive PoE power.
- You need a single backup battery to power both a camera and a router.
Skip if
- You need standard 48V PoE output for your surveillance gear.
- You require gigabit throughput on the PoE network passthrough port.
Verdict: HEHSLZZ 10400mAh PoE Mini UPS delivers practical multi-voltage DC and passive PoE outputs for low-voltage security hardware. It gives you flexible connection options to keep basic surveillance gear running during short power interruptions.
CRIDENG Multi-Voltage Mini DC UPS
Best for: Multi-voltage security camera and PoE setups
- Device Compatibility
- Routers, Modems, Security Cameras (what this guide is about)
- Dimensions
- 6.3 × 4.1 × 1.4 inches
- Weight
- 11.3 ounces
The CRIDENG Multi-Voltage Mini DC UPS provides battery backup for low-voltage security cameras and network gear. It features multiple dedicated power outputs: 5V, 9V, and 12V DC at up to 2A, a 5V/2A USB port, plus 15V and 24V PoE ports. Built-in LED lights display remaining battery capacity. Weighing 0.71 pounds with a compact footprint, it suits setups where you need versatile DC and PoE voltage options for your camera hardware.
Pros
- Dedicated 5V/2A, 9V/2A, and 12V/2A DC power ports
- Supports 15V/1A and 24V/1A PoE outputs
- Integrated LED battery level indicator lights
- Built-in safeguards against short circuits, overcharging, and thermal instability
Cons
- Total battery capacity in milliamp-hours or watt-hours is not specified
- Maximum current on 12V output is limited to 2A
Good fit if
- You need flexible output options including 5V, 9V, 12V DC, or PoE
- You want visual indicator lights to monitor remaining battery capacity
Skip if
- You need verified milliamp-hour or watt-hour capacity specs before purchasing
- You run security hardware requiring more than 2A on a 12V line
Verdict: CRIDENG Multi-Voltage Mini DC UPS delivers flexible 5V, 9V, 12V, and PoE power options in a compact 0.71-pound chassis for security cameras and networking equipment. It is a practical pick if you need multi-rail DC and PoE flexibility without bulk.
Marsriva Compact Mini DC UPS
Best for: Zero-delay DC security camera backup power
- Device Compatibility
- Routers, Modems, Security Cameras (what this guide is about)
- Dimensions
- 4.53 × 3.27 × 1.06 inches
- Weight
- 10.6 ounces
The Marsriva Compact Multi-Port Mini UPS provides backup power for low-power devices like security cameras, modems, and routers during electrical outages. It features instant 0ms power transfer to keep your security cameras running without rebooting. Weighing 0.66 pounds and measuring 4.53 by 3.27 by 1.06 inches, this unit fits easily into tight spaces. It suits you if you need compact, zero-delay DC backup power with integrated circuit protection.
Pros
- Instant 0ms power transfer prevents camera reboots
- Multi-port DC outputs support multiple connected devices
- Compact 0.66-pound footprint fits tight installations
- Built-in safeguards protect against short circuits, overcurrent, and deep discharge
Cons
- Battery capacity rating is not listed in specifications
- Exact voltage and current limits per DC port are not stated
Good fit if
- You need seamless 0ms power transfer to avoid security camera downtime.
- You want a lightweight DC backup unit that fits into confined equipment spaces.
Skip if
- You require an exact battery capacity rating in milliamp-hours or watt-hours.
- You need AC power outlets instead of direct DC connections.
Verdict: Marsriva Compact Multi-Port Mini UPS delivers seamless 0ms transfer times in a lightweight 0.66-pound chassis for continuous camera operation. It provides essential protection against power cuts for low-power DC security setups.
Shanqiu 74Wh Multi-Output Mini DC UPS
Best for: multi-voltage DC security camera setups
- Device Compatibility
- Routers, Modems, Security Cameras (what this guide is about)
- Output Wattage
- 60W
- Dimensions
- 7.01 × 4.8 × 1.26 inches
- Weight
- 1.83 pounds
The Shanqiu 74Wh Mini DC UPS provides battery backup for your security cameras and networking equipment. It packs a 20,000mAh (74Wh) internal battery, delivers up to 60W total output, and accepts direct 100 to 240V AC input. With two 12V DC ports sharing 5A alongside 5V and 9V outputs, you can keep multiple low-voltage surveillance devices running during a power loss without bulky external power bricks.
Pros
- Built-in 20,000mAh (74Wh) battery capacity
- Direct 100–240V AC wall power input
- Up to 60W maximum total output
- Aluminum-alloy housing
Cons
- Dual 12V DC outputs share a 5A limit
- Lacks standard three-prong AC outlets
Good fit if
- You need to run 5V, 9V, or 12V DC security cameras directly from DC ports.
- You want a dedicated unit with direct 100–240V AC input and an aluminum body.
Skip if
- You require an AC outlet to power your surveillance equipment.
- You exceed 5A total draw across both 12V DC outputs.
Verdict: Shanqiu 74Wh Mini DC UPS delivers versatile multi-voltage DC outputs and direct AC input in a compact aluminum enclosure. It keeps multiple 5V, 9V, and 12V security cameras powered up to a combined 60W limit.
Eujgoov 20800mAh Mini DC UPS
Best for: extended backup for low-amperage DC security cameras
- Device Compatibility
- Routers, Modems, Security Cameras (what this guide is about)
- Input Plug Type
- US Plug
The Eujgoov 20800mAh Multi-Output Mini UPS is a compact backup unit designed for low-voltage electronics like security cameras and modems. It features a 20,800mAh lithium battery and eliminates external power bricks by accepting direct AC input. You get multiple DC ports delivering 5V, 9V, and 12V alongside a standard USB port. This setup suits you if your camera setup requires continuous DC power without extra adapters cluttering your wall.
Pros
- 20,800mAh lithium battery capacity
- Direct AC input without requiring an external power brick
- Multiple DC voltage ports including 5V, 9V, and 12V plus 5V USB
- Includes multiple DC cables and a 3.5x1.35mm adapter
Cons
- 12V DC output capped at 1A
- 9V DC output limited to 1A
- No standard AC outlet outputs
Good fit if
- You need backup power for 5V, 9V, or 12V security cameras.
- You prefer a direct AC power plug without an external adapter brick.
- You want bundled connector cables, including a 3.5x1.35mm adapter.
Skip if
- You have a 12V security camera that draws more than 1A of current.
- You need standard 120V AC receptacles for plug-in power adapters.
Verdict: Eujgoov 20800mAh Multi-Output Mini UPS delivers substantial battery reserve and multi-voltage DC options for low-draw surveillance hardware. It keeps your security cameras running through outages without requiring external AC adapter bricks.
Marsriva Compact 10000mAh Mini UPS
Best for: multi-voltage DC security cameras and network gear
- Device Compatibility
- Routers, Modems, Security Cameras (what this guide is about)
- Battery Chemistry
- Lithium
- Form Factor
- Wall-Mountable
- Dimensions
- 1.1 × 4.72 × 4.72 inches
- Weight
- 12.5 ounces
The Marsriva Compact Multi-Voltage Mini UPS provides continuous power for security cameras and networking equipment. It features a 10,000mAh, 36Wh lithium battery and switches over with a 0ms transfer time during power failures. You get three DC outputs alongside dedicated USB-A and USB-C ports delivering 5V, 9V, or 12V power. This unit suits you if you need compact, wall-mounted backup power for low-voltage security cameras and routers without interruption.
Pros
- Instant 0ms transfer time prevents camera reboots during outages
- Provides 10,000mAh (36Wh) lithium battery capacity
- Features three DC ports plus USB-A and USB-C connections
- Supports 5V, 9V, and 12V output voltages
- Flame-retardant casing includes built-in wall-mount support
Cons
- No standard AC outlets included
- Total battery capacity is limited to 36Wh
Good fit if
- You need uninterrupted 0ms power switching for DC security cameras.
- You want to mount a lightweight 0.78-pound battery backup to a wall.
- You run low-voltage hardware requiring 5V, 9V, or 12V DC connections.
Skip if
- You need an AC plug outlet for standard mains-powered devices.
- You require more than 36Wh of capacity for extended runtime.
Verdict: Marsriva Compact Multi-Voltage Mini UPS delivers seamless 0ms battery backup across multiple DC and USB outputs for low-voltage security cameras. Its wall-mountable design and multi-voltage support make it a reliable, compact addition to your home security setup.
Specifications side by side
| Spec | Talentcell 27000mAh Mini Lithium-ion UPS | Lioaeust 6000mAh 12V 2A Mini DC UPS | HEHSLZZ 10400mAh Multi-Voltage Mini DC UPS | CRIDENG Multi-Voltage Mini DC UPS | Marsriva Compact Mini DC UPS | Shanqiu 74Wh Multi-Output Mini DC UPS | Eujgoov 20800mAh Mini DC UPS | Marsriva Compact 10000mAh Mini UPS |
|---|---|---|---|---|---|---|---|---|
| Output Wattage | not specified | not specified | 36W | not specified | not specified | 60W | not specified | not specified |
| Battery Chemistry | Lithium ion | Lithium | not specified | not specified | not specified | not specified | not specified | Lithium |
| Form Factor | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Wall-Mountable |
| Input Plug Type | not specified | not specified | not specified | not specified | not specified | not specified | US Plug | not specified |
| Device Compatibility | Routers, Modems, Security Cameras | Routers, Modems, Security Cameras | Routers, Modems, Security Cameras | Routers, Modems, Security Cameras | Routers, Modems, Security Cameras | Routers, Modems, Security Cameras | Routers, Modems, Security Cameras | Routers, Modems, Security Cameras |
| Dimensions | 6.3 × 5.51 × 1.3 inches | 6.69 × 4.72 × 1.57 inches | 1.3 × 4.13 × 6.3 inches | 6.3 × 4.1 × 1.4 inches | 4.53 × 3.27 × 1.06 inches | 7.01 × 4.8 × 1.26 inches | not specified | 1.1 × 4.72 × 4.72 inches |
| Weight | 1.54 pounds | 10.9 ounces | 1.32 pounds | 11.3 ounces | 10.6 ounces | 1.83 pounds | not specified | 12.5 ounces |
| Color | Black | as picture show | black | Black | White | Matte White | not specified | White |
| Model | SL3400 | 4DADLDP2T65WLYJM9ZA48 | DC-1036P | EEE0370546002@#11176@#8611025hxm | KP3 | FX 5-12Pro-AC | not specified | KP4 |
| Size | not specified | not specified | not specified | not specified | compact | 74Wh AC-DC | US Plug | compact |
How to Choose a Security Camera UPS
-
Check Transfer Switch Time
Security cameras drop video feeds or reboot if power delivery pauses during a blackout. Standard standby backup units introduce a brief delay when switching from line power to internal cells. For surveillance hardware, look for zero-millisecond switchover capability. A seamless transfer maintains continuous camera operation and prevents data corruption on local storage cards. The Marsriva Compact Mini DC UPS specifies a 0ms transfer time, preventing hardware resets during utility interruptions. Always confirm switch latency on manufacturer specifications before connecting sensitive cameras.
-
Evaluate Passive PoE Needs
Security cameras receive power through either standard direct current barrel connectors or Ethernet cabling. If your surveillance camera uses an Ethernet cable for power transmission, check if the backup device supports passive Power over Ethernet. Standard DC backup systems lack RJ45 power delivery ports, requiring extra adapters or separate power injectors that clutter installations. The HEHSLZZ 10400mAh Multi-Voltage Mini DC UPS incorporates passive PoE outputs directly on its chassis. Selecting a unit with integrated PoE simplifies wiring runs when deploying outdoor IP cameras.
-
Review Battery Chemistry Type
Check the stated battery chemistry when comparing compact surveillance backup supplies. Lithium-ion chemistry provides higher energy density in smaller footprints compared to traditional sealed lead-acid options. This chemistry also supports more discharge cycles before degrading, ensuring reliable performance across frequent, short utility flickers. The Talentcell 27000mAh Mini Lithium-ion UPS explicitly lists lithium-ion cells inside its enclosure. Choosing verified lithium chemistries helps keep backup units lightweight and compact enough for discreet camera enclosures or tight shelving, while maintaining steady internal power.
-
Inspect Enclosure Material Specs
Uninterruptible power supplies generate heat during internal charging and continuous direct current conversion. Security cameras run continuously, which places steady thermal demands on the power supply casing. Review the chassis material listed in product specifications. Units built with metal shells disperse internal operating heat more efficiently into surrounding air than basic plastic shells. For example, the Shanqiu 74Wh Multi-Output Mini DC UPS features an aluminum enclosure that aids passive heat dissipation. A metallic housing also offers greater physical durability in junction cabinets.
-
Account for Mounting Options
Security cameras are frequently installed high on walls, ceilings, or inside tight distribution enclosures where flat desk space is unavailable. Before buying, examine dimensions, weight, and mounting specifications. A heavy unit without mounting provisions requires dedicated shelf space or heavy-duty brackets. The Marsriva Compact 10000mAh Mini UPS provides a wall-mountable design with a square profile of 4.72 inches and a light weight under 0.8 pounds. Verifying that the housing includes mounting slots allows you to secure the unit beside high cameras.
-
Calculate Stored Reserve Capacity
Outage duration dictates how much internal battery reserve your surveillance hardware requires. Capacity in mini UPS devices is typically specified in milliamp-hours (mAh) or watt-hours (Wh). To maintain operation through extended power cuts, prioritize units with larger internal cell capacities. The Eujgoov 20800mAh Mini DC UPS provides a large 20800mAh internal reserve intended for sustained hardware operation without external AC adapters. Multiply your camera current by required backup hours to find the target. Adequate capacity prevents premature shutdowns.
Frequently asked questions
Can a mini DC UPS power both a security camera and a modem simultaneously?
Yes, multi-output mini UPS units can power both devices if the voltages match and total draw stays under the wattage ceiling. Models like the CRIDENG offer distinct 5V, 9V, and 12V outputs alongside passive PoE. You simply connect each device to its matching DC jack, ensuring the combined energy demand does not exceed the hardware limit.
How do passive PoE outputs work on mini UPS backup units?
Passive PoE delivers fixed direct current voltage straight through Ethernet wiring to compatible cameras without active voltage negotiation. Units like the HEHSLZZ DC-1036P and CRIDENG integrate these ports alongside standard DC barrel jacks. You must confirm your security camera accepts passive PoE voltage specifications before connecting it, as incompatible hardware risks electrical damage from unnegotiated continuous power feeds.
What size battery capacity do I need for multi-camera setups?
Multi-camera surveillance systems require high-capacity reserves to maintain uptime across several video feeds. Options such as the Talentcell 27000mAh unit provide 97.2Wh of energy storage, while the Eujgoov offers a 20800mAh rating. To determine what you need, multiply your total camera draw in watts by your required backup hours to ensure the watt-hour rating suffices.
Can I mount a compact UPS unit directly on a wall?
Yes, select compact models include integrated mounting slots so you can place them right beside elevated security hardware. For example, the Marsriva KP4 features a wall-mountable chassis measuring 4.72 inches by 4.72 inches and weighs just 0.78 pounds. This allows you to secure the backup supply close to your camera wiring without needing extra shelf space.
Do all mini UPS models require an external AC charging brick?
No, charging input designs vary between different backup battery models. While many portable units rely on external power bricks, models like the Shanqiu FX 5-12Pro-AC feature direct AC input within an aluminum enclosure. Similarly, the Eujgoov unit operates without external AC adapter bricks, allowing you to connect standard mains wall power cables directly to the unit.
What happens if my security cameras exceed the maximum continuous wattage?
Exceeding continuous output limits causes the backup battery unit to shut down or trigger internal overload protections. Units enforce strict thresholds, such as the 37W continuous ceiling on the Talentcell SL3400 or the 60W combined limit on the Shanqiu. You should calculate the total wattage of all attached surveillance cameras to keep operating draw comfortably below listed manufacturer ratings.
What is the difference between lithium-ion and traditional lead-acid UPS units for cameras?
Lithium-ion mini UPS units provide significantly lighter, more compact backup power tailored for low-voltage DC electronics. Units like the Talentcell SL3400 weigh only 1.54 pounds while delivering 97.2Wh. Traditional lead-acid models use bulky internal batteries and invert DC to AC power, causing efficiency loss when powering direct-current security cameras through bulky power adapters.