SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD. R SW25000E(2V500AH) Outer dimensions (mm) 172 365 341 242 0E 00 h) 25 0A SW 50 (2V Terminal Type (mm) Specifications Nominal Voltage 2V Rated capacity (10 hour rate) 500 Ah Total Height 365 mm (14.4 inches) Height 341 mm (13.4 inches) Length 242 mm (9.5 inches) Width 172 mm (6.8 inches) Dimensions 11 20 M8 20 32 .3Kg (71.1 lbs) Weight Approx Discharge Curves 25 (77 ) Characteristics 10 hour rate(50 A) 5 hour rate(80 A) 1 hour rate(275 A) Capacity 25 (77 ) 500 AH 400 AH 275 AH 1.5 hour discharge to 1.75 V 2.30 2.20 2.10 2.00 1.90 1.80 1.70 1.60 1.50 1.40 1.30 200 A Internal Resistance Full charged Battery at 25 (77 ) 1.5 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 91% 82% 64% 500A 1055A 0 1 2 4 6 8 10 20 40 60 2 4 6 8 10 20 50 1.60V 1.70V 1.75V 1.80V 1.85V 100 200 T20 Initial Charging Current less than 125 A Voltage 2.35-2.40V Voltage 2.25-2.30V Constant Current(Amp) and Constant Power(Watt) Discharge Table at 25 (77 Time 5.8A 100A 50A 250A 10min 30min 1h 3h 4h 5h 8h 10h 20h ) 50h 100h A W A W A W A W A W R Edition Nov. 2009