Features:- APC Replacement Battery Cartridge #31- Genuine APC RBC(TM) are tested and certified for compatibility to restore UPS performance to the original specifications.- Includes: All required conn more→ectors, Battery recycling guide, Installation guide, Reusable packagingReplacement Battery Cartridges Features & Benefits:Convenience:- Prepaid postage to a nearby recycling partner (availability varies by country): Insures that almost 100% of the old battery is recycled, protecting the environment.- Fully assembled for easy hot-swap installation: APC RBCs are safe, reliable and contain a minimum number of connections saving valuable time. Because APC RBCs are hot-swappable, no network downtime …