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| r shenzhen sunnyw a y ba ttery tech co.,l td. discharg e curves 25 (77 ) 40 20 60 40 20 2 10 8 6 4 10 8 6 4 2 1 0 1.70 2.30 1.90 2.00 2.10 2.20 1.80 1.60 1.50 1.30 1.40 49a 343a 221a outer dimensions (mm) terminal type (mm) nominal voltage rated capacity (10 hour rate) total height height length width dimensions weight approx (dry) 2 v 490 ah 525 mm ( 20.67 inches) 471mm (18.54inches) 166 mm (6.54 inches) 206 mm ( 8.11inches) 39.5kg ( 86.9lbs) specifications 10 hour rate (49 a) 1 hour rate (221a) 0.5 hour rate (343a) 490ah 221 ah 171.5ah capacity affected by t emperature (10hour rate) capacity 25 (77 ) charge (constant voltage) 40 (104 ) 25 (77 ) 0 (32 ) -15 (5 ) 102% 100% 85%65% capacity aft er 3 month storage capacity aft er 6 month storage capacity aft er 12 mont h storage 91% 82%64% 2 initial charging current less than 98.0a voltage 2.25-2.40v self-discharge at 25 (77 ) characteristics terminal quantity 2 4 1 1 m 1 0 2 5 r 2 4 6 8 10 12 14 16 18 20 140 120 100 80 60 40 20 0 0.25 0.20 0.15 0.10 0.05 0 2.70 2.35 2.00 1.75 chargin g chara cteristic s(25 c h a r g e d v o l u m e c h a r g i n g c u r r e n t c h a r g i n g v o l t a g e (%) c(a) (v) charging time (hours) chargde volume charging voltage charging current 50 0 60 0 70 0 10 00 70 00 15 00 90 0 20 00 30 00 40 00 50 00 60 00 20 30 5 10 50 40 60 70 80 90 10 0 0 % de pt h o f di sc ha rg e a t 10 h ou r ra te a t 25 77 f cycling curves 7OPZV490 ( 2 v 490ah) 20 6 5 1 2 4 7 1 1 6 6
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