APC BR1500MS2 UPS backup battery compatible replacement. This Sigma SG-RBC163 AGM sealed lead-acid assembly is rated 24V 9Ah. One assembled replacement pack containing two 12V 9Ah batteries.
For APC BR1500MS2, the supplier lists cartridge reference APCRBC163. Match that reference, the complete assembly dimensions, connector and polarity to your existing battery and UPS manual before ordering. This is an aftermarket Sigma replacement, not an original APC battery.
Cartridge specifications
| Sigma part reference | SG-RBC163 |
|---|---|
| Replacement cartridge reference | APCRBC163 |
| Assembly voltage | 24V |
| Assembly capacity | 9Ah |
| Chemistry | Rechargeable sealed lead-acid (SLA), AGM |
| Package contents | One assembled replacement pack containing two 12V 9Ah batteries |
| Supplier-listed dimensions | 11.9 × 2.6 × 4.29 inches |
Check the cartridge, connector and UPS model
A battery voltage or shared base cell alone does not establish cartridge compatibility. Compare the complete assembly, cable routing, connector keying, polarity and mounting arrangement. Follow the UPS manufacturer’s replacement procedure; do not assume that replacement while powered is permitted.
Battery documents
These documents describe the individual batteries inside the assembly.
Related cartridge and ordering help
Searching by cartridge number? See the SG-RBC163 replacement cartridge specifications for this assembly.
Browse APC UPS replacement batteries or view other UPS battery sets. For matching help or volume pricing, email Sales@RocketDistributing.com with your UPS model, cartridge reference, photos of the connector, quantity and delivery location.
APC is a trademark of Schneider Electric. This listing is for a compatible Sigma replacement, not an original APC battery.