APC Replacement Battery Cartridge or APC Back-UPS Replacement Battery Cartridge? Which APC Model to Buy
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You are comparing an apc genuine ups replacement battery vs apcrbc110 genuine ups to restore runtime for your APC Back-UPS or Smart-UPS. Both units are certified replacement cartridges that meet factory specifications. They share a two-year manufacturer warranty and similar packaging dimensions. The main difference lies in their specific model compatibility. One fits BK350 and SC420 units, while the other is designed for the BE550G model. You must verify your UPS model before purchasing.
Key differences
| Aspect | APC Replacement Battery Cartridge | APC Back-UPS Replacement Battery Cartridge |
|---|---|---|
| model size | RBC2 | APCRBC110 |
| compatible models | BK350, BK500, BK500BLK, SC420 | BE550G |
| weight | 1.54 pounds | 1 pounds |
Which one should you choose?
Choose APC Replacement Battery Cartridge if
- You own an APC Back-UPS BK350, BK500, or BK500BLK model.
- You have an APC Smart-UPS SC420 that needs a battery refresh.
- You prefer a slightly heavier cartridge that fits the original RBC2 form factor.
Choose APC Back-UPS Replacement Battery Cartridge if
- You have an APC Back-UPS BE550G model.
- You need a battery cartridge specifically certified for the BE550G.
- You want a lighter replacement unit that weighs one pound.
Verdict: Choose the RBC2 if your UPS model is BK350, BK500, or SC420. Pick the APCRBC110 only if you are using a BE550G unit. These batteries are model-specific, so compatibility is the deciding factor.
APC RBC2 vs APCRBC110 Comparison
compatibility
Product A, the APC Replacement Battery Cartridge (RBC2), supports multiple APC Back-UPS models, including the BK500, BK500BLK, and BK350, as well as the Smart-UPS SC420. This broader range makes it a versatile choice if you manage different UPS units in your setup. Product B, the APC Back-UPS Replacement Battery Cartridge (APCRBC110), is strictly for the APC Back-UPS model BE550G. You must verify your specific UPS model before ordering. If you own a BK series unit, Product A is the correct choice. If you have a BE550G, you need Product B. Neither cartridge works across all APC models, so exact matching is required.
form factor
Both cartridges are compact and designed to fit inside their respective UPS enclosures, but their physical dimensions differ slightly. Product A measures 5.94 inches in length, 3.7 inches in height, and 2.52 inches in width. Product B is slightly longer and taller, measuring 5.95 inches in length, 4.15 inches in height, and 2.55 inches in width. The differences are minimal, but the internal space in some UPS models is tight. Product A is marginally slimmer in height and width, which might make installation slightly easier in confined spaces. However, since each is model-specific, the fit is guaranteed for its intended device regardless of these small variances.
build quality
Both products are genuine APC replacement cartridges that undergo testing and certification to restore UPS performance to original factory specifications. Product A is described as black, while Product B is also black. The build quality appears identical in terms of certification standards. Both are backed by a two-year manufacturer warranty, ensuring reliability and support from APC. You can expect similar durability and safety features from either unit. The primary distinction lies not in construction materials but in the specific model they are engineered to serve. Both meet the same high standards for certified compatibility and performance restoration.
weight
The weight of the battery cartridge can matter for handling and installation, especially if you need to lift the UPS unit. Product A weighs 1.54 pounds, while Product B weighs 1 pound. Product B is lighter, which may make it slightly easier to handle during installation or replacement. The difference is about half a pound, which is noticeable but not drastic. For most users, this weight difference will not impact the decision significantly. However, if you prefer a lighter cartridge for easier maneuvering, Product B has a slight advantage. Both weights are manageable for standard UPS maintenance tasks.
model variety
Product B comes in variations, including the APCRBC110 and APCRBC123, with different heights listed as 4.15 inches and 3.78 inches. This suggests that APC offers multiple versions of this cartridge type for slight model variations or revisions. Product A, the RBC2, is listed as a single model compatible with a specific set of Back-UPS and Smart-UPS units. If you have a variant of the BE550G that requires the APCRBC123, Product B’s family offers options. Product A does not show such variations in the data. For users with specific sub-models, Product B’s range provides flexibility, while Product A targets a fixed list of models.
Choose the right APC battery for your UPS
Owner of APC Back-UPS BK350 or BK500
You need the RBC2 cartridge to restore runtime for your specific APC Back-UPS models. This battery fits the BK350, BK500, and BK500BLK units directly. It is also compatible with the Smart-UPS SC420. Choose this if your UPS model matches these identifiers to ensure proper fit and factory-specified performance.
Owner of APC Back-UPS BE550G
Your APC Back-UPS BE550G requires the APCRBC110 cartridge. This specific model ensures compatibility with your unit. The battery measures 5.95 inches in length and weighs 1 pound. Select this replacement to maintain original factory specifications and restore reliable backup power for your specific BE550G device.
User managing multiple APC UPS models
The RBC2 supports a wider range of devices, including the BK500, BK350, and SC420. This versatility is useful if you handle different APC units. The cartridge weighs 1.54 pounds and fits the specified dimensions. Choose this option for broader compatibility across your APC equipment lineup.
The products compared
APC Replacement Battery Cartridge
Best for: APC Back-UPS BK350, BK500, BK500BLK, and Smart-UPS SC420 owners
- Warranty
- 2-Year Warranty
- Dimensions
- 5.94 × 2.52 × 3.7 inches
- Weight
- 1.54 pounds
View on Amazon: APC Replacement Battery Cartridge Affiliate link
This is the APC RBC2 genuine replacement battery cartridge. It fits specific APC Back-UPS models like the BK350, BK500, and BK500BLK, as well as the Smart-UPS SC420. The unit measures 5.94 by 3.7 by 2.52 inches and weighs 1.54 pounds. APC certifies this cartridge to restore your UPS performance to original factory specifications. It includes a two-year manufacturer warranty.
Pros
- Certified for compatibility with specific APC Back-UPS and Smart-UPS models
- Restores UPS performance to original factory specifications
- Includes a two-year manufacturer warranty
- Compact dimensions of 5.94 by 3.7 by 2.52 inches
Cons
- Limited to specific APC models, not universal
- No runtime capacity data provided in specifications
- Requires verification of compatibility before ordering
Good fit if
- You own an APC Back-UPS BK350, BK500, or BK500BLK
- You have an APC Smart-UPS SC420
- You need a certified replacement to restore factory performance
Skip if
- You use a UPS brand other than APC
- You need a battery for a model not listed in the compatibility guide
- You require a universal replacement cartridge
Verdict: APC RBC2 Genuine UPS Battery is the correct choice for owners of compatible APC Back-UPS or Smart-UPS units needing a certified replacement. It ensures your specific device runs at original factory specs.
APC Back-UPS Replacement Battery Cartridge
Best for: APC Back-UPS BE550G runtime restoration
- Warranty
- 2-Year Warranty
- Dimensions
- 2.55 × 5.95 × 4.15 inches
- Weight
- 1 pounds
View on Amazon: APC Back-UPS Replacement Battery Cartridge Affiliate link
This APC APCRBC110 cartridge restores runtime for your BE550G Back-UPS. It measures 5.95 by 4.15 by 2.55 inches and weighs 1 pound. APC tests and certifies each unit to match original factory specifications. You get a two-year manufacturer warranty. This genuine replacement ensures your UPS performs as intended when the old battery fails.
Pros
- Model-specific fit for APC Back-UPS BE550G
- Tested and certified for factory-spec performance
- Includes a two-year manufacturer warranty
- Compact 1-pound design
Cons
- Limited to BE550G model compatibility
- Does not include installation instructions
- Single voltage output option
Good fit if
- You own an APC Back-UPS BE550G
- You need a certified genuine replacement
- You want factory-spec runtime restoration
Skip if
- You have a different APC UPS model
- You need a third-party cheaper option
- You require extended runtime beyond stock specs
Verdict: APC Back-UPS BE550G Replacement Battery is the correct certified part for BE550G owners needing reliable factory-spec runtime. It ensures your specific UPS model functions as designed.
Specifications side by side
| Spec | APC Replacement Battery Cartridge | APC Back-UPS Replacement Battery Cartridge |
|---|---|---|
| Warranty | 2-Year Warranty | 2-Year Warranty |
| Dimensions | 5.94 × 2.52 × 3.7 inches | 2.55 × 5.95 × 4.15 inches |
| Weight | 1.54 pounds | 1 pounds |
| Size | RBC2 | APCRBC110 |
| Color | black | Black |
| Model | RBC2 | APCRBC110 |
Frequently asked questions
What is the difference between RBC2 and APCRBC110?
The RBC2 is a certified replacement for APC Back-UPS BK350, BK500, and Smart-UPS SC420 units. The APCRBC110 is designed specifically for the Back-UPS BE550G. While both restore factory runtime, they fit different chassis sizes. You must match the cartridge to your specific UPS model to ensure proper installation and operation.
Can I use the APC Replacement Battery Cartridge on any UPS?
No. The RBC2 cartridge is compatible only with specific APC Back-UPS BK350, BK500, BK500BLK, and Smart-UPS SC420 models. Using it on an incompatible unit may cause fitting issues or operational errors. Always verify your UPS model number before purchasing a replacement battery cartridge to ensure compatibility.
Does the APC Back-UPS Replacement Battery Cartridge fit the BE550G?
Yes. The APCRBC110 is the certified replacement part for the Back-UPS BE550G. It restores the original factory runtime for this specific model. This cartridge ensures your UPS functions as designed by the manufacturer. It is the correct choice for BE550G owners needing a reliable replacement.
What are the physical dimensions of the RBC2 battery?
The RBC2 measures 5.94 inches in length, 2.52 inches in width, and 3.7 inches in height. It weighs 1.54 pounds. These dimensions allow it to fit securely inside compatible APC Back-UPS and Smart-UPS enclosures. Check your unit's bay size to confirm the cartridge fits before installation.
How heavy is the APCRBC110 replacement battery?
The APCRBC110 weighs 1 pound. It measures 2.55 inches in length, 5.95 inches in width, and 4.15 inches in height. This weight and size are optimized for the Back-UPS BE550G chassis. The compact design ensures it fits properly within the designated battery compartment.
Is the RBC2 cartridge black in color?
Yes. The APC Replacement Battery Cartridge (RBC2) is black. This color matches the standard aesthetic of compatible APC UPS units. The black casing helps it blend with the internal components of your Back-UPS or Smart-UPS device. The color does not affect performance or compatibility.
Can I mix RBC2 and APCRBC110 in one UPS?
No. Each APC UPS model is designed to accept only one specific battery cartridge type. The RBC2 fits BK350/BK500 units, while the APCRBC110 fits the BE550G. Mixing cartridges can damage the unit or prevent it from powering on. Use only the certified cartridge specified for your model.