SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD. R SW21250(2V1250AH) Outer dimensions (mm) 344 369 401 55 167 34 167 (2w21 SSw V 251200 (2 V1 21 2 25 0A 5500A0 H) H) 351 34 189 55 Specifications Terminal Type (mm) Rated capacity (10 hour rate) 1250 Ah 20 Total Height 369 mm (14.5 inches) Height 344 mm (13.5 inches) Length 401 mm (15.8 inches) Width 351 mm (13.8 inches) 11 Nominal Voltage 2V Dimensions M8 20 81 Kg (179lbs) Weight Approx Discharge Curves 25 (77 ) Characteristics Capacity 25 (77 ) 10 hour rate(125 A) 5 hour rate(200 A) 1 hour rate(750 A) Internal ResistanceFull charged Battery at 25 (77 ) 1250 AH 1000 AH 750 AH 2.30 2.20 2.10 2.00 1.90 1.80 1.70 1.60 1.50 1.40 1.30 Apporx 0.18 m Capacity affected by Temperature (10hour rate) 40 (104 ) 25 (77 ) 0 (32 ) -15 (5 ) 102% 100% 85% 65% Capacity after 3 month storage Self-Discharge Capacity after 6 month storage at 25 (77 ) Capacity after 12 month storage Terminal Charge (constant Voltage) Cycle Float 189 91% 82% 64% 250A 125A 625A 1250A 2638A 0 1 2 4 6 8 10 20 40 60 2 4 6 8 10 20 40 T20 Initial Charging Current less than500 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 10min 15min 30min 1h 3h 2h A W A W A W A W A W R 4h 5h 8h ) 10h 20h