Power Supply Replacement Batteries: Type - UPS Rechargeable Battery; Rating - Output - 7.2Ah - 6V; Size HxWxD - Imperial - 3.70 x 1.34 x 5.94 in.; Weight - Imperial - 3.0 lb; Additional Information - Terminal: F1. Maximum Discharge Current with Standard Terminals: 43.20A; Manufacturer Series - PE