SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD. R SW24000(2V400AH) Outer dimensions (mm) 120 356 176 331 211 129 Specifications Terminal Type (mm) 2V Rated capacity (10 hour rate) 400 Ah 20 Total Height 356 mm (14.0 inches) Height 331 mm (13.0 inches) Length 211 mm (8.31 inches) Width 176 mm (6.92 inches) Dimensions 11 Nominal Voltage M8 20 26.8 Kg (59.22 lbs) Weight Approx Discharge Curves 25 (77 ) Characteristics 10 hour rate(40 A) 5 hour rate(64 A) 1 hour rate(240 A) Capacity 25 (77 ) Internal Resistance Full charged Battery at 25 (77 ) Capacity affected by Temperature (10hour rate) Charge (constant Voltage) Cycle Float 2.30 2.20 2.10 2.00 1.90 1.80 1.70 1.60 1.50 1.40 1.30 Approx 0.40 m 102% 100% 85% 65% 40 (104 ) 25 (77 ) 0 (32 ) -15 (5 ) Capacity after 3 month storage Self-Discharge Capacity after 6 month storage at 25 (77 ) Capacity after 12 month storage Terminal 400 AH 320 AH 240 AH 91% 82% 64% 400A 844A 0 1 2 4 6 8 10 20 40 60 2 4 6 8 10 20 40 T20 Initial Charging Current less than 160 A Voltage 2.35-2.40V Voltage 2.25-2.30V Constant Current(Amp) and Constant Power(Watt) Discharge Table at 25 (77 5min Time 1.60V 1.70V 1.75V 1.80V 1.85V 40A 80A 200A 10min 15min 30min 1h 3h 2h A W A W A W A W A W R 4h 5h 8h ) 10h 20h