Replacement Battery Compatible with The APC Back-UPS CS 500 BK500
Replacement Battery Compatible with The APC Back-UPS CS 500 BK500
Price subject to change. Tap below for current.
Couldn't load pickup availability
In this review the Replacement Battery Compatible with the APC Back-UPS CS 500 BK500 is assessed for home and small office use; the bottom line is it delivers a straightforward, no-friction swap when the OEM battery fails. For anyone who needs an exact fit replacement that arrives ready to use, this unit stands out because it is 100% compatible with the BK500 model, installs easily as a plug and play part, and includes a one year replacement warranty. The review focuses on compatibility, installation, and value rather than experimental performance tests.
Key Features
- Model Compatibility: Designed specifically for the BK500 UPS model so buyers get an exact fit and avoid guessing about fit or polarity.
- Plug & Play Installation: The battery replaces the original with a simple install that does not require tools beyond the UPS cover removal for most units.
- Arrives Ready: Ships fully charged so the UPS is ready to protect equipment right away without a lengthy charge cycle.
- Replacement Warranty: Includes a one year replacement warranty, offering peace of mind if the battery fails prematurely.
- Exact Fit: Engineered to match the original physical dimensions and terminals for hassle-free seating and reliable contact.
Who It's For
This battery is well suited to home users, small office owners, and IT technicians who maintain a fleet of APC Back-UPS CS 500 units and want a direct, compatible replacement without the complexity of cross-referencing multiple part numbers. It is particularly useful for people who need the UPS back online quickly since the unit arrives charged and installs with minimal interruption.
It is not aimed at users seeking upgraded runtime or higher capacity batteries; buyers who want extended runtime or different chemistry should look for a higher capacity or aftermarket upgrade designed specifically for longer run times. This product is primarily a like-for-like replacement.
Pros & Cons
Pros
- Direct compatibility with BK500 means reliable fit and electrical match to the original unit.
- Plug & play installation minimizes downtime and simplifies maintenance.
- Ships fully charged so the UPS can protect devices immediately after installation.
- One year replacement warranty provides a straightforward remedy for early failure.
Cons
- Not intended to increase runtime over the original battery capacity, so it is not a performance upgrade.
Specifications
| Product Type | Replacement UPS battery |
| Compatible UPS Model | BK500 |
| Compatibility Claim | 100% Compatible with APC Back-UPS CS 500 |
| Installation | Easy installation, plug & play |
| Arrival Condition | Arrives fully charged |
| Warranty | One year replacement warranty |
Our Verdict
The Replacement Battery for the APC Back-UPS CS 500 BK500 is a practical, cost-effective choice for anyone needing a like-for-like battery swap. It is best for users who prioritize compatibility, quick installation, and immediate readiness; the included one year replacement warranty makes it a sensible value for maintaining legacy UPS units without the fuss of custom fits or charging delays.
Frequently Asked Questions
Will this fit my Back-UPS CS 500?
Yes, it is specified as compatible with the BK500 model and designed for an exact plug & play fit.
Does it arrive charged and ready to use?
Yes, the product arrives fully charged so the UPS can be returned to service right after installation.
What warranty is included?
The battery includes a one year replacement warranty to cover premature failures.
Editor's Take
A practical like-for-like replacement for the APC Back-UPS CS 500 BK500 that installs easily, arrives charged, and includes a one year replacement warranty, making it good value for maintaining legacy UPS units.

Recently viewed
Recently viewed products will appear here as customers browse the store.