Check the listing for details. Stealth 550 Battery. Condition: New. Listed at 229.00 USD. 12V AGM Battery, 55 AH, Up To 1500 Watt Amplifiers Nominal Voltage 12V Nominal Capacity(20HR) 55.0AH Dimensions Length 229+3mm (9.02 inches) Width 138+2mm (5.43 inches) Container Height 205+3mm (8.07 inches) Total Height (with Terminal) 211+3mm (8.31 inches) Approx Weight Approx 16.2 kg (35.17lbs) Terminal T6 Container Material ABS Rated Capacity 57.2 AH/2.86A (20hr ,1.80V/cell,25 C/77 F) 55.0 AH/5.50A (10hr ,1.80V/cell,25 C/77 F) 47.3 AH/9.46A (5hr ,1.75V/cell,25 C/77 F) 42.9 AH/14.3A (3hr ,1.75V/cell,25 C/77 F) 33.6 AH/33.6A (1hr ,1.60V/cell,25 C/77 F) Max. Discharge Current 660A (5s) Internal Resistance Approx 7.5mΩ Operating Discharge -15~50 C (5~122 F) Charge 0~40 C (32~104 F) Storage -15~40 C (5~104 F) Nominal Operating Temp. Range 25+3 C (77+5 F ) Cycle Use Initial Charging Current less than ge14.4V~15.0V at 25 C(77 F)Temp. Coefficient -30mV/ C Standby Use No limit on Initial Charging Current Voltage13.5V~13.8V at 25 C(77 F)Temp. Coefficient -20mV/ C Capacity affected by Temperature 40 C (104 F) 103% 25 C (77 F) 100% 0 C (32 F) 86% Self Discharge Batteries may be stored for up to 6 monthsat 25 C(77 F) and then a freshening charge is required.For higher temperatures the time interval will be shorter. DOWNLOAD SPECS Short Description 12V AGM Battery, 55 AH, Up To 1500 Watt Amplifiers