BTI Replacement Battery #18 for APC - UPS battery - 1 x lead acid - for APC PowerStack 450VA
RBC18 Replacement UPS Battery APC PS250, PS250I, PS450, PS450, PS450J:Computer UPS battery for home and small business UPSReliable battery that is designed to protect and power your system during power spikes and outagesCan be hot-swapped, eliminating downtimeSpill-free sealed battery made with recycled leadIncludes instructions and reusable packaging with prepaid postage, enabling safe disposal of old cartridges