Product Overview
FM7650 high‑capacity power battery uses authentic DFD LiFePO4 cells in 24‑series structure, nominal 76.8V. Made for high‑power electric mopeds and long‑range scooters. Equipped with intelligent BMS board with Bluetooth APP function. Complete safety protection against over‑charge, over‑discharge, over‑current, short‑circuit and thermal risk. Simple plug‑and‑play installation, no modification required. Higher capacity delivers longer mileage for commuting, delivery and long‑distance travel.
Key Features
- ✅ Genuine DFD LiFePO4 cells, 24S1P configuration, nominal 76.8V
- ✅ Integrated smart BMS with multi‑layer safety protection
- ✅ Bluetooth & APP: monitor individual cell voltage, current, temperature, remaining capacity
- ✅ Strong high‑current output, excellent performance for acceleration and hill climbing
- ✅ Plug‑and‑play, direct replacement for original scooter battery
- ✅ Long service life: >2000 cycles @80% DOD
- ✅ Wide temperature adaptability for worldwide deployment
| Item | Parameter |
|---|---|
| Model | FM76‑50 |
| Nominal Voltage | 76.8V |
| Nominal Capacity | 50Ah |
| Rated Energy | 3840Wh |
| Cell Brand & Type | DFD LiFePO4 |
| Cell Configuration | 24S1P |
| Full‑charge Cut‑off Voltage | 87.6V |
| Discharge Cut‑off Voltage | 60.0V |
| Standard Charge Current | 16A |
| Recommended Charger | 87.6V 16A LiFePO4 dedicated charger |
| Continuous Discharge Current | 55A |
| Peak Discharge Current | 100A |
| Max DOD | 90% |
| Cycle Life | ＞2000 cycles (@80% DOD) |
| Communication | Bluetooth + Mobile APP |
| Ingress Protection | IP20 |
| Discharge Temperature | -20℃ ~ +55℃ |
| Charge Temperature | 0℃ ~ +55℃ |
| Storage Temperature | -20℃ ~ +45℃ |
| Operating Humidity | 5%‑85% RH @25℃, non‑condensing |
| Installation | Plug‑and‑play, fit standard moped battery compartment |
| Net Weight | 29.5 kg |
| Dimension (L×W×H) | 465 × 232 × 174 mm |
| Warranty | 2 Years |
Package Includes
- 1 × FM7650 76.8V 50Ah Battery Pack
- Power charger
- User manual
Note: Charger sold separately. Must adopt 87.6V LiFePO4 special charger. Lead‑acid charger prohibited.
Safety Warnings
- Only use LiFePO4 dedicated charger. Never use lead‑acid charger.
- Do not puncture, squeeze, take apart or submerge battery. IP20 rating; avoid rain and water soaking.
- Do not charge under 0℃, low‑temperature charging will damage cells.
- For long‑time storage keep SOC 40‑60%, perform monthly supplementary charging.
