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Longer Cycle Life: Offers up to 15 times longer cycle life and 5 times longer float/calendar life than lead acid battery. Lighter Weight: About 40% weight of a comparable lead acid battery, save up to 60% in weight. Quick Charge: Short charge time compared with lead acid battery. Low Self-Discharge: Lower self-discharge compared with lead acid battery, longer storage time without recharging. Superior Safety: Multi-protection methods built inside to protect the battery from overcharge, over discharge and short circuit situation. High Efficient: Higher round-trip energy efficiency of the average (92%) than lead acid battery 80% (discharge from 100% to 0% and back to 100% charged).
Electrical Parameters (25℃) |
Rated Voltage | 51.2V | |
Rated Capacity(Cs) | 200Ah@25℃ | ||
Energy | 10240Wh | ||
Months Self Discharge |
<3% | ||
Charge Efficiency | 99.5%@ 0.2C | ||
Discharge Efficiency | 96-99%@ 1C | ||
Terminal Diameter | M8 | ||
Internal resistance (Fully charged, 25℃) |
≤50mΩ | ||
Cycle life | >3000 cycles @0.2C 100%D.O.D | ||
Capacity affected by temperature |
40℃ | 101% | |
25℃ | 100% | ||
0℃ | 90% | ||
-10℃ | 75% | ||
Nominal operating temperature | 25℃±3℃(77°F±5°F) | ||
Operating temperature range |
Discharge | -20℃~60℃(-4°F~140°F) | |
Charge | 0℃~45℃(32°F~113°F) | ||
Storage | 0℃~40℃(32°F~104°F) | ||
Water Dust Resistance | IP50 | ||
Charge Voltage | 57V |
Standard Charge Mode (25C±2℃,<75%RH) |
0.2CA Constant Current to 57V, then Constant Voltage 57V, until the current drops to 0.02CA, before use, rest 30 minutes | |||
Charge Current | 20A | 40A | 60A | |
Maximum Charge Current | 50A | 100A | 150A | |
Charge Cut off Voltage | 57V | |||
Continuous Discharge Current | 100A | 160A | 240A | |
Maximum Pulse Current | 150A(<1S) | 320A(<1S) | 480A(<1S) | |
Discharge Cut Off Voltage | 46V | |||
Communicate Protocol (optional) | RS485/RS232/CAN | |||
SOC (optional) | Screen/LED/PC Software | |||
Mechanical | Cells | 16 Strings |
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