APC BX1500M UPS Battery Replacement, APCRBC124, for APC UPS Models 

Hot swappable batteries ensures clean, uninterrupted power to protected equipment while batteries are being replaced. Each APC Replacement Battery Cartridges (RBC) is tested and certified for compatibility to restore the performance of your APC UPS to original specifications When you buy a new genuine APC RBC, you can recycle your old UPS battery via the "RBC Recycling Program" on the APC website. This program includes free return shipping to a recycling center (use the packaging from your new battery to return the old). APCRBC124 is compatible with APC UPS models BR1500G, BX1500M, BR1300G, SMC1000-2U, SMC1000-2UC, BR1500GI, BX1500G, SMC1000-2U, SMC1000-2UC, and select others