73.6V 20Ah LiFePO4 battery, long cycle life, low self-discharge. Perfect for electric bikes, tricycles and
small power equipment. Built-in BMS for safe protection.
Brand:
SuperpackItem NO.:
SPF72V20-BLProduct Origin:
ChinaColor:
BlackLead Time:
25-30 Working Days| Item | General Parameter | Remark |
| Model | SPF72V20-BL | |
| Rated Capacity | 20.0Ah | Standard discharge 0.2C after standard charge 0.2C |
| Minimum Capacity | 19Ah | |
| Nominal Voltage | 73.6V | |
| Life Expectation | Higher than 80% of the Initial Capacity of the battery |
1）Charge:CC@0.2C to 73.0V, then CV till current to 0.05C |
| Discharge cut-off voltage | 50.6~58V | Recommended :≥60V(2.6V/Cell) |
| Charge limiting voltage | 82.8~83.95V | |
| Cell and assembly method | IFR40135 3.2V 20Ah | 23S1P |
| Housing material | Iron | |
| Standard charge | 0.2C constant current (CC) charge to 73.0Vthen constant voltage (CV) 73.0V charge till charge current decline to ≤0.05C | Charge time : Approx 7h |
| Standard discharge | Constant current 0.5C，Cut-off voltage 50V | |
| Maximum Charge Current | 20A@25±2℃ | Recommend ＜10A |
| Maximum Continuous Discharge Current | 20A@25±2℃ | Peak current ＜40A |
| Operation Temperature Range | Charge: 0～55℃ | |
| Discharge: -20～60℃（cell surface recommended temperature） |
60±25%R.H. 25 ± 2°C recommended |
|
| Storage Temperature Range | Less than 1 year : 0～25℃(SOC≥50%) | 60±25%R.H. at the shipment state |
| Less than 3 months:-5～35℃(SOC≥50%) | ||
| Approx. Weight | (13.5±0.5)Kg | |
| Internal resistance | 40mΩ≤ACR≤60mΩ | @AC 1KHz，50%SOC |
| Dimension | L*W*H=(320*175*165mm)±2mm | With handle |
| Terminals | M8*1.25 9.7N.M±10% | With dust cap |
| Communication |
Bluetooth |
Software Version: V31 |
| IP | IP65 |
FAQ
1. Q: What is this battery pack?
A: Model SPF72V20-BL, 73.6V 20Ah LiFePO4 battery, 23S1P Grade A IFR40135 cylindrical cells.
2. Q: Does it come with Bluetooth BMS?
A: Yes. Built-in Bluetooth BMS supports Xingheng one-line A1.1 protocol for real-time battery status monitoring.
3. Q: What is its cycle life?
A: ≥2000 cycles, capacity remains higher than 80% after standard test.
4. Q: What is the protection grade & housing?
A: Iron case with IP65 dust and water resistance, with handle and M8 terminals with dust cap.
5. Q: What is the max discharge current?
A: 20A continuous discharge, peak discharge current less than 40A.
6. Q: What devices can it be used for?
A: Multi-purpose battery for light electric motorcycle, light tricycle, AGV, sightseeing cart and solar storage. Not for heavy-load high-power cargo tricycles.
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