APC Replacement Battery Cartridge #55 lead-acid rechargeable battery

APC Replacement Battery Cartridge #55. Battery capacity (Watt hours): 816 Wh, Battery technology: lead-acid Weight & dimensions Weight: 24.3 kg Battery Battery capacity (Watt hours): 816 Wh Other features Dimensions (WxDxH): 142 x 183 x 173 mm