12.8V 20Ah High performance Electric Wheelchair LiFePO4 battery
The 12V 20AH LiFePO4 battery is a great choice for floor machines, marine, mobility scooters, powered wheelchairs, medical cart, robotics, and small solar applications.
Brand:
SuperpackProduct Origin:
ChinaColor:
BlackLead Time:
25-30 Working Days| Main Features • 12.8V 20Ah high performance LiFePO4 battery. • LiFePO4 is the safest mainstream Li-ion battery. • Ultra-long lifespan, up to 10X longer cycle life than lead acid equivalent. • Light weight, 40% of the weight of comparable lead acid battery. • Smart BMS with accurate SOC/SOH estimates, cycle life records and SMbus communication. • Constant power available and stable voltage throughout discharge. • Support hot-swapping. • Rugged impact resistant ABS case and cover flame retardant to UL94: V-0. • LED battery state of charge indicator. • Support hot-swapping. • Ultra-long warranty period, up to 5 years available. |
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Specifications:
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ELECTRICAL PERFORMANCE |
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Nominal Voltage |
12.8V |
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Nominal Capacity |
20Ah |
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Stored Energy |
256Wh |
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Reserve Capacity |
300minutes(@4A) |
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Internal Resistance |
≤50.0mΩ |
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Self-discharge Rate |
<3%/month |
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Long Term Storage |
Charge every 6 months or as soon as OCV ≤25.6V |
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CHARGE PERFORMANCE |
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Maximum Charge Current |
20A |
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Recommended Charge Voltage |
14.6V |
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Balancing Voltage |
<14.4V (3.6V/cell) |
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BMS Charge Cut-off Voltage |
<15.6 V (3.9V/cell) |
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DISCHARGE PERFORMANCE |
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Maximum Continuous Current |
20A |
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Peak Current |
32A (3S) |
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BMS Discharge Cut-Off Current |
60 A ± 1 A (31mS) |
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Recommended Low Voltage Disconnect |
11.0 V (2.75V/cell) |
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BMS Discharge Cut-Off Voltage |
>10.0 V (2S) (2.5V/cell) |
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Reconnect Voltage(by charging) |
11.2V (2.8V/cell) |
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Short Circuit Protection |
250 - 500μS |
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Mechanlcal PERFORMANCE |
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Dimensions(L*W*H/HT) |
181mm*76mm*155/168mm |
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Weight |
5.5 lbs (2.5Kg) |
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Terminal Type |
T11(M6) |
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Case Material |
PC+ABS (UL94-V0) |
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TEMPERATURE PERFORMANCE |
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Discharge Temperature |
-4 ~ 131 ºF (-20 ~ 55 ºC) |
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Charge Temperature |
32 ~ 113 ºF (0 ~ 45 ºC) |
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Storage Temperature |
23 ~ 95°F (-5 ~ 35°C) |
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