Enersys Cyclon 0810-0004 D Cell Battery 2V 2.5Ah Sealed Lead Voltage: 2 Volts Capacity: 2.5 Ah Chemistry: Sealed Lead Acid Dimensions: Diameter 1.35"(34.3mm) x Height 2.41"(61.2mm) [Height with Terminals 2.68"(68.1mm)] Weight: .39 lbs. Termination: F1 (.187" Quick Disconnect Tabs) This Battery Fits the Following: ADI / Ademco P3141 Alphasource AS10704M Battery Center 0810-0004 Chloride 1000010124 Dantona CYCLON-D Devine UB180EM Dual Lite 12-261 Dual Lite 12-542 Dual Lite EX21004X Dual Lite EX3GEMPH Eagle Picher Batterie CF2V2.5 ELS EDS225 Enersys 08100004 First Alert RL101 GE 47B0258801912 GE 47B025AA01 GE 8219 GE UB180UN Hawker/Gates Energy P 0810-0004 Hawker/Gates Energy P 08100274 Hawker/Gates Energy P 92201DW Hawker/Gates Energy P D CELL Hawker/Gates Energy P P321 Interstate Batteries ASLA1210 JM&W 47B025AA01 JM&W 912 O'Donnell 7704S Panasonic 08100004 Sonnenschein X2100 Sontrix 7747 Sontrix 7748 Sontrix SP1508 Sun Battery 8100004 Trio Lighting TL930082 Unipower B10704 Universal Power Group C6280 S6013-S SLAD