Lead-acid Battery Sealed 12V 50Ah Rechargeable GEL Deep Cycle Battery

Lead-acid Battery Sealed 12V 50Ah Rechargeable GEL Deep Cycle Battery FEATURE Good deep discharge resilience performance. Special plate design guarantees battery floating life more than 2000 times. High thermal capacity reduce the risk of thermal out of control and drying hard, and the battery can be used in bad environment. Little water losing and no electrolyte stratification phenomenon. VOLTAGE 12V ENERGY 600 Watts(Wh) TERMINALS T6(M6) Easy to adapt to different connection needs. SIZE 257 mm L x 132 mm W x 200 mm H WEIGHT 15.7 kg LIFE CYCLES(BATTERY LIFESPAN) DEEP CYCLES Up to 90% capacity for 2,000 cycles in recommended conditions. 25℃ is better.  OPERATING TEMPERATURE RANGE Ideal for rugged & harsh environments.  Charging:-10℃ to 40 ℃ Discharge:-20 to 60℃ Storage:-20 to 60℃ DISCHARGE 143 A max continuous. Month self discharge 2%(20℃) MAX CHARGING CURRENT 12.5 A FLOAT CHARGING VOLTAGE 13.5 to 13.8 V. Recom. 13.5 V.  INTERNAL RESISTANCE 9.0 mΩ CAPACITY AFFECTED BY TEMPERATURE 40℃ 106%   25℃ 100%  0℃ 86% APPLICATION 1.Railway and marine systems 2.Electric power system(EPS) 3.Emergency light 4.Emergency backup power supply 5.Auto control system 6.Alarm and security system 7.Electric tools, lawn mowers 8.Vehicle in place of walking 9.Golf trolleys and golf cart 10.Wheelchair, portable power 11.Medical equipment 12.High Power Backup Supply SPECIFICATION Norminal Voltage 12 V 20 hour rate(5.3 A,10.8 V) 55 AH 10 hour rate(10.0 A,10.8 V) 50 AH 5 hour rate(17.4 A,10.8 V) 40 AH 1 hour rate(58 A,10.5 V) 38 AH Internal Resistance 9 mΩ Self-Discharge 3% of capacity declined per month at 20℃ average Operating temperature range Discharge -20-60℃ Charge -10-60℃ Storage -20- 60℃ Max Discharge current(5S) 143 A Charge Methods Constant voltage charge Cycle use 14.1-14.4 V Max charging current 12.5 A Temperature compensation -24 mV/c Standby use 13.6-13.8 V Temperature compensation -18 mV/C