SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD. R SW1272(12V7.2AH) Outer dimensions (mm) 151 1 94 100 1 1 65 1 Nominal Voltage 12V Rated capacity (20 hour rate) 7.2Ah Total Height 100mm (3.94 inches) Height 94mm (3.70 inches) Length 151mm (5.94 inches) Width 65mm (2.56 inches) 3.2 6.35 0.8 Dimensions T1 2.35Kg (5.17 lbs) Weight Approx Discharge Curves 25 (77 ) Characteristics 20 hour rate(0.36A) 10 hour rate(0.65 A) 5 hour rate(1.22A) 25 (77 ) 1 hour rate(4.32 A) 1.5 hour discharge to 10.5V Internal Resistance Full charged Battery at 25 (77 ) Capacity 40 (104 ) affected 25 (77 ) by Temperature 0 (32 ) (20hour rate) -15 (5 ) Capacity Capacity after 3 month storage Self-Discharge Capacity after 6 month storage at 25 (77 ) Capacity after 12 month storage 7.20AH 6.50AH 6.10AH 4.32AH 2.88A 19m 102% 100% 85% 65% 13.8 13.2 12.6 12.0 11.4 10.8 10.2 9.6 9.0 8.4 91% 82% 64% 0.36A 1.44A 0.65A 2.88A 7.2A 14.4A 21.6A 7.8 25.9A 0 1 Terminal Charge (constant Voltage) 4.75 Terminal Type (mm) Specifications T1 Initial Charging Current less than2.88A Cycle Voltage 14.40-15.00V Time 10~12h Voltage 13.50-13.80V Float 2 4 6 8 10 20 40 60 2 4 6 8 10 20 40 Constant Current(Amp) and Constant Power(Watt) Discharge Table at 25 (77 ) 5min Time 9.60V 10.20V 10.50V 10.80V 11.10V 10min 15min 30min 1h 3h 2h A W A W A W A W A W R 4h 5h 8h 10h 20h