China 1240 Cheap Lithium-Battery-Pack-12V-20ah Rechargeable 12V 20ah Lithium Batteries Li 12 Volt Battery, Find details about China Lithium Battery, Lithium Cell from 1240 Cheap Lithium-Battery-Pack-12V-20ah Rechargeable 12V 20ah Lithium Batteries Li 12 Volt Battery
Electrical Characteristics | Nominal Voltage | 12.8V |
Nominal Capacity | 20Ah | |
Energy | 256Wh | |
Internal Resistance (AC) | ≤50mΩ | |
Cycle Life | >2000 cycles @1C 100% DOD | |
Months Self Discharge | <3% | |
Efficiency of Charge | 100% @0.5C | |
Efficiency of Discharge | 96~99% @0.5C | |
Standard Charge | Charge Voltage | 14.6±0.2V |
Charge Mode | 0.2C to 14.6V, then 14.6V, charge current to 0.02C (CC/CV) | |
Charge Current | 10A | |
Max. Charge Current | 20A | |
Charge Cut-off Voltage | 14.6±0.2V | |
Standard Discharge | Continuous Current | 40A |
Max. Pulse Current | 50A (<3s) | |
Discharge Cut-off Voltage | 8V | |
Environmental | Charge Temperature | 0ºC to 55ºC (32F to 131F) @60±25% Relative Humidity |
Discharge Temperature | -20ºC to 60ºC (-4F to 140F) @60±25% Relative Humidity | |
Storage Temperature | -20ºC to 45 ºC (-4F to 113F) @60±25% Relative Humidity | |
IP Class | IP65 | |
Mechanical | Plastic Case | ABS |
Approx. Dimensions | 181.5mm*77mm*167.5mm (7.15in.*3.03in.*6.59in.) | |
Approx. Weight | 3kg (6.61lbs) | |
Terminal | M6 |