- Virtual CIO
How to Measure ROI on IT Investments
6 Oct, 2025

£532.28 inc. VAT
AI-generated summary
If you’re running an APC UPS that takes the APCRBC136, this OEM replacement cartridge is one of those “boring but critical” buys. The upside is reliability: you’re not gambling with compatibility, fit, or longevity, and you typically get the kind of predictable runtime behaviour you expect from an installed UPS ecosystem. At £439.57 ex-VAT, it’s not cheap, but for business continuity the cost is usually easier to swallow than the alternative—downtime, uncontrolled shutdowns, or scrambling for a replacement at the worst possible moment. In practice, I’d consider this a sensible spend for SMEs and offices where the UPS is protecting network gear, comms, fire systems, or anything where a clean shutdown matters.
I’d be cautious if you don’t *know* the cartridge matches your exact UPS model/part requirement, because the “wrong battery, wrong results” problem is real and expensive. Also, if your UPS is already near end-of-life, replacing the battery alone may not deliver much beyond a temporary extension—worth checking the UPS’s overall health first (fans, electronics, age, any fault history). For anyone with an aging UPS and unknown usage patterns, a proper service check (or at least confirming battery history) beats guessing.
**Verdict:** Buy this if you’ve confirmed it’s the correct OEM cartridge for your APC UPS and you want dependable performance with minimal hassle. Don’t buy it blindly—if the UPS is old or you’re uncertain on compatibility, you’ll likely waste money.

APC
APC Replacement Battery Cartridge #157 - UPS battery - 1 x battery - Lead Acid - 336 Wh - black - for P/N: SMC1500-2UC, SMC1500I-2UC, SMT1000RM2UC, SMT1000RMI2UC

APC
APC Smart-UPS RT 3/5/6KVA Input/Output Hardwire Kit

APC
APC Replacement Battery Cartridge #132 - UPS battery - 1 x battery - Lead Acid - black - for P/N: SMC1500-2U, SMC1500-2UTW, SMC1500I-2U, SMT1000R2I-AR, SMT1000RM2UTW, SMT1000RMI2U

ATEN
ATEN Professional OL3000HV - UPS (rack-mountable / external) - AC 220/230/240 V - 3000 Watt - 3000 VA - 9 Ah - RS-232, USB - output connectors: 9 - 2U
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