The APC RBC 25 replacement battery by Amstron is a sealed lead acid battery assembly. The AUP-25HC is the exact replacement for APC cartridge number RBC 25 and is assembled with fuses, interconnects and connector harness. This battery utilizes 9ah batteries instead of standard 7ah batteries giving you more run time for your back up system • Maintenance free operation with no corrosive gas discharge and approved for air shipment. • Connectors and Fuse Included • Meets or exceeds the original manufacturers specificationsReplacement products are non OEM products guaranteed to meet or exceed original manufacturer specifications. Brand names, company name, part numbers, illustrations, and images used herein are for reference purpose only. APC and the APC Family logo are registered trademarks of APC™. APC has not sponsored or endorsed any products seen on AtBatt.com and APC is in no way affiliated with AtBatt.com