12.8V 55AH Rekoser Rekoser Lithium (LiFePO4) battery. Lithium Iron Phosphate (LiFePO4) Battery offers up to 20 times longer cycle life and five times longer float/calendar life than lead acid battery. About 40% of the weight of a comparable lead acid battery. RKL is a 'drop in' replacement for lead acid batteries. BMS built-in.
Specifications | ||||
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Nominal Voltage | 12.8V | |||
Capacity (25ºC) | 55AH | |||
Energy | 704Wh | |||
Internal Resistance | ≤30 m Ω | |||
Cycle Life | >2000 cycles @1C 100%DOD | |||
Self Discharge | 3% of capacity declined per month at 25°C | |||
Eficiency of Charge | 100% @0.5C | |||
Eficiency of Discharge | 96~99% @1C | |||
Charge Voltage (25°C) | 14.6±0.2V | |||
Charge Mode | 0.2C to 14.6V, then 14.6V,charge current to 0.02C (CC/CV) | |||
Charger Current | 25A | |||
Max. Charge Current | 55A | |||
Charge Cut-off Voltage | 15.6V±0.2V | |||
Continuous Discharge Current | 70A | |||
Max. Discharge Current | 80A(<3s) | |||
Discharge Cut-off Voltage | 8V | |||
Charge Temperature | 0 °C to 45 °C (32F to 113F) @60±25% Relative Humidity | |||
Discharge Temperature | -20 °C to 60 °C (-4F to 140F) @60±25% Relative Humidity | |||
Storage Temperature | 0 °C to 40 °C (32F to 104F) @60±25% Relative Humidity | |||
Water Dust Resistance | IP56 |
Dimensions and weight | ||||
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Dimensions (mm) | 257x132x200(200) | |||
Weight (kgs) | 8.12 |
Construction | ||||
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Cell (Method) | 26650 (4S18P) | |||
Case | ABS | |||
Terminal Type | M6 | |||
Protocol (optional) | SMBus/RS485/RS232 | |||
SOC (optional) | LED |