SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD. R SW2500(2V50AH) Outer dimensions (mm) Specifications Terminal Type (mm) Rated capacity (10 hour rate) 50 Ah 14 Total Height 166 mm (6.53 inches) Height 166 mm (6.53 inches) Length 160 mm (6.30 inches) Width 50 mm (1.97 inches) Dimensions 5.0 Nominal Voltage 2V M6 T16 terminal 2.8 Kg (6.17 lbs) Weight Approx Discharge Curves 25 (77 ) Characteristics 10 hour rate(5 A) 5 hour rate(8 A) 1 hour rate(30A) Capacity 25 (77 ) 50 AH 40 AH 30 AH 2.30 2.20 2.10 2.00 1.90 1.80 1.70 1.60 1.50 1.40 1.30 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% Self-Discharge at 25 (77 ) Capacity after 3 month storage Capacity after 6 month storage Capacity after 12 month storage 91% 82% 64% Terminal Charge (constant Voltage) Cycle Float 16 T16 Initial Charging Current less than 15 A Voltage 2.35-2.40V Voltage 2.25-2.30V 50A 105A 0 1 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 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 5A 10A 25A 4h 5h 8h ) 10h 20h