APC Replacement Battery Cartridge #11 - Maintenance-free Lead Acid Hot-swappable

Sealed Lead Acid (SLA) battery chemistry delivers the required energy to UPS through an easily controlled reaction 816 VAh capacity - Ensures secure power flow Solution for a battery that is about to expire, so you can replace it whenever needed Safer compared to other lead-acid batteries, while its spill proof design makes it the perfect power source for your critical devices With 12 V DC battery, never run out of power and keep your UPS operational at all times