SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD. R 7OPzV490 ( 2 V 490Ah) Outer dimensions (mm) 206 512 471 Terminal Type (mm) Specifications Nominal Voltage 2V Rated capacity (10 hour rate) 24 525 Mm (20.67 Inches) Height 471mm (18.54inches) Length 166 mm (6.54 inches) Width 206 mm (8.11inches) 11 490 Ah Total Height Dimensions M10 Discharge Curves 25 Characteristics Capacity (77 ) 10 hour rate(49 A) 1 hour rate(221A) 0.5 hour rate(343A) 490AH 221 AH 171.5AH 40 (104 ) 25 (77 ) 0 (32 ) -15 (5 ) 102% 100% 85% 65% Capacity affected by Temperature (10hour rate) 25 39.5Kg (86.9lbs) Weight Approx (Dry) 25 166 Capacity after 3 month storage Self-Discharge Capacity after 6 month storage at 25 (77 ) Capacity after 12 month storage 2.30 2.20 2.10 2.00 1.90 1.80 1.70 1.60 1.50 1.40 1.30 91% 82% 64% (77 ) 49A 221A 343A 01 2 4 6 8 10 20 4060 2 4 6 8 10 20 40 2 Terminal quantity Charge Initial Charging Current less than 98.0A (constant Voltage) Voltage 2.25-2.40V Charging characteristics(25 Charge d Volume Ch Arging Current Charging Voltage Cycling Curves (%) C(A) (V) 7000 6000 5000 4000 3000 140 120 0.25 100 0.20 80 0.15 2.70 Chargde Volume 2.35 Charging Voltage 2000 1500 1000 60 40 0.10 20 0.05 0 0 900 700 600 500 2.00 Charging Current 1.75 2 4 6 8 10 12 14 16 18 20 0 5 Charging Time (Hours) 10 20 30 40 50 60 70 %Depth of discharge at 10 hour rate at 25 R 80 90 100 77 F