APC Battery Replacement Cartridge APCRBC118 (OEM)

Product Overview

AI-generated summary

APC’s APCRBC118 is the kind of “boring but important” purchase you make for business-critical UPS runtime. If you’ve got an APC UPS that uses this specific replacement cartridge, the OEM route is usually the safest way to avoid fiddly compatibility issues and wonky battery behaviour. For £389 ex-VAT, it’s not cheap, but it’s also not outrageous for what it protects: the cost of taking your network/storage down for “just a few minutes” is typically far higher than the battery swap. In practice, this is for teams that don’t want surprises—IT managers, small datacentres, and offices with critical comms/servers where the UPS is actively doing real work.

That said, I wouldn’t buy it blindly. Only go OEM if your model is confirmed to take this exact cartridge (and you’re swapping because the battery is already showing age—reduced runtime, frequent “battery replacement” warnings, or rapid drops under load). If your UPS is old enough that other components are starting to fail, you might be throwing good money after bad. Also, factor in downtime and the cost of a proper swap/health check—many “good value” battery purchases become expensive if you end up needing repeat visits. If you tell me your UPS model number, I can sanity-check whether this is likely to be the right buy and whether OEM pricing is justified in your case.