Your UPS has been holding the line through every brownout and flicker. But that battery inside? It's aged out. You've probably noticed shorter runtimes or a warning light you keep ignoring. That's it telling you it's done.
This is the genuine APC Replacement Battery Cartridge No. 4. Drop it in, clip the connector, done. No soldering, no guesswork. It's a sealed lead-acid unit rated at 12V and 12Ah, tested and certified for 100% compatibility with your specific APC UPS. You get three to five years of reliable backup out of it.
It comes fully assembled with all required connectors, an installation guide, and a battery recycling guide in the box. If you're running a BK650MI, BP650IPNP, BP650SI, SC620I, SU620INET, or SUVS650I, this is the exact cartridge your unit was designed around.
Swap it in while your kit is still drawing power. Your UPS keeps breathing. You get back to work
| brand | APC |
| category | ELECTRONICS & COMPONENTS |
| subcategory | POWER & BATTERIES |
| battery_type | Lead-acid |
| voltage | 12 V |
| capacity | 12 Ah |
| number_of_cables | 1 |
| mounting_mode | Not rack mountable |
| operating_temperature | 0…40 °C |
| storage_temperature | -15…45 °C |
| relative_humidity_operating | 0…95 % |
| operating_altitude | 0…10,000 ft |
| compatible_models | BK650MI, BP650IPNP, BP650SI, SC620I, SU620INET, SUVS650I |
| warranty | 2 Year |
| provided_equipment | All required connectors, Battery recycling guide, Reusable packaging, Installation guide |
