Replacement battery ZINTO A 800, dimensions: 20.5 x 18 x 15 mm, weight: 5.06 kg. With the ready-to-install battery sets, replacing aging batteries becomes a breeze. With just a few simple steps, the UPS can be back to full backup time in just a few minutes. The hot-swap function of the ZINTO A series allows for battery replacement while in operation: open the battery compartment, remove the old battery, insert the new battery, and you're done!.