SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD. R Sw61800(6V180AH) Outer dimensions (mm) 180 Sw 61 (6 V1 20 0 20 A H) SW 61 (6 V1 80 0 80 A H) Specifications Terminal Type (mm) Rated capacity (10 hour rate) 180 Ah 16 Total Height 252 mm (9.92 inches) Height 247 mm (9.72 inches) Length 260 mm (10.2 inches) Width 180mm (7.09 inches) 5 Nominal Voltage 6V Dimensions M8 16 29Kg (64.09 lbs) Weight Approx Discharge Curves 25 (77 ) Characteristics Capacity 25 (77 ) 252 247 260 10 hour rate(18.0 A) 5 hour rate(28.8 A) 1 hour rate(108 A) 180 AH 144 AH 108 AH 6.90 6.60 Internal Resistance Full charged Battery at 25 (77 ) Approx 6.30 1.5 m 6.00 Capacity affected by Temperature (10hour rate) 40 (104 ) 25 (77 ) 0 (32 ) -15 (5 ) 102% 100% 85% 65% 5.70 Self-Discharge at 25 (77 ) Capacity after 3 month storage Capacity after 6 month storage Capacity after 12 month storage 91% 82% 64% 4.50 Terminal Charge (constant Voltage) Cycle Float 5.40 5.10 90A 180A 4.90 3.90 1 2 4 6 8 10 204060 2 4 6 8 10 20 40 (h) (Min) Constant Current(Amp) and Constant Power(Watt) Discharge Table at 25 (77 5min Time 4.80V 5.10V 5.25V 5.40V 5.55V A W A W A W A W A W 10min 15min 30min 1h 2h 3h 18A 380A 4.20 T19 Initial Charging Current less than 72 A Voltage 7.05-7.2V Voltage 6.75-6.90V 36A 4h 5h 8h ) 10h 20h