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 DaysMain 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. |
Specifications:
ELECTRICAL PERFORMANCE |
|
Nominal Voltage |
12.8V |
Nominal Capacity |
20Ah |
Stored Energy |
256Wh |
Reserve Capacity |
300minutes(@4A) |
Internal Resistance |
≤50.0mΩ |
Self-discharge Rate |
<3%/month |
Long Term Storage |
Charge every 6 months or as soon as OCV ≤25.6V |
CHARGE PERFORMANCE |
|
Maximum Charge Current |
20A |
Recommended Charge Voltage |
14.6V |
Balancing Voltage |
<14.4V (3.6V/cell) |
BMS Charge Cut-off Voltage |
<15.6 V (3.9V/cell) |
DISCHARGE PERFORMANCE |
|
Maximum Continuous Current |
20A |
Peak Current |
32A (3S) |
BMS Discharge Cut-Off Current |
60 A ± 1 A (31mS) |
Recommended Low Voltage Disconnect |
11.0 V (2.75V/cell) |
BMS Discharge Cut-Off Voltage |
>10.0 V (2S) (2.5V/cell) |
Reconnect Voltage(by charging) |
11.2V (2.8V/cell) |
Short Circuit Protection |
250 - 500μS |
Mechanlcal PERFORMANCE |
|
Dimensions(L*W*H/HT) |
181mm*76mm*155/168mm |
Weight |
5.5 lbs (2.5Kg) |
Terminal Type |
T11(M6) |
Case Material |
PC+ABS (UL94-V0) |
TEMPERATURE PERFORMANCE |
|
Discharge Temperature |
-4 ~ 131 ºF (-20 ~ 55 ºC) |
Charge Temperature |
32 ~ 113 ºF (0 ~ 45 ºC) |
Storage Temperature |
23 ~ 95°F (-5 ~ 35°C) |