Up To 500 Watt Amplifiers 12V AGM Battery, 15 AH NOMINAL VOLTAGE 12V NOMINAL CAPACITY(20HR) 15.0AH APPROX WEIGHT Approx 4.9 kg (10.8lbs) TERMINAL T12 CONTAINER MATERIAL ABS MAX. DISCHARGE CURRENT 225A (5s) INTERNAL RESISTANCE APPROX 18mΩ NOMINAL OPERATING TEMP. RANGE 25 3 C (77 5 F ) DIMENSION Length: 181.5 2mm (7.14 inches) Width: 76.5 2mm (3.01 inches) Container Height: 167.5 2mm (6.59 inches) Total Height (with Terminal): 167.5 2mm (6.59 inches) RATED CAPACITY 15.0 AH/0.75A: (20hr ,1.80V/cell,25 C/77 F) 14.0 AH/1.40A: (10hr ,1.80V/cell,25 C/77 F) 12.8 AH/2.55A: (5hr ,1.75V/cell,25 C/77 F)11.5 AH/3.83A: (3hr ,1.75V/cell,25 C/77 F) 9.42 AH/9.42A: (1hr ,1.60V/cell,25 C/77 F) CAPACITY AFFECTED BY TEMPERATURE 40 C (104 F): 103% 25 C (77 F): 100% 0 C (32 F): 86% OPERATING TEMP.RANGE Discharge: -15 50 C (5 122 F) Charge: 0 40 C (32 104 F) Storage: -15 40 C (5 104 F) CYCLE USE Initial Charging Current less than 4.5A.Voltage 14.4V~15.0V at 25 C(77 F)Temp. Coefficient -30mV/ C STANDBY USE No limit on Initial Charging Current Voltage 13.5V~13.8V at 25 C(77 F)Temp. Coefficient -20mV/ C SELF DISCHARGE Batteries may be stored for up to 6 months at 25 C(77 F) and then a freshening charge is required. For higher temperatures the time interval will be shorter. Support Specification Sheet (PDF)