The X-Power 76.8V 40Ah LiFePO4 battery pack is specially designed for 72V-class electric motorcycles, retro electric motorcycles, café racers, scramblers, classic motorcycle EV conversions, and custom electric motorcycle projects.
With a unique engine-style housing, this battery can be installed in the original engine position of a conventional motorcycle while maintaining the visual appearance of a traditional motorcycle engine.
Built with high-quality LiFePO4 cells and an intelligent BMS, it delivers reliable power output, high safety, long cycle life, and flexible customization for different motor controllers and vehicle platforms.
| Item | Specification |
| Product Name | Electric Motorcycle LiFePO4 Battery |
| Model | X-Power 76.8V 40Ah |
| Voltage Class | 72V Class |
| Nominal Voltage | 76.8V |
| Nominal Capacity | 40Ah |
| Battery Chemistry | LiFePO4 / LFP |
| Cell Configuration | 24S |
| Nominal Energy | 3.072kWh / 3072Wh |
| Charge Voltage | 87.6V |
| Recommended Charge Current | 10A |
| Maximum Charge Current | Customizable according to cell specification |
| Standard Continuous Discharge Current | 80A |
| Peak Discharge Current | 100–150A, customizable |
| Recommended Motor Power | Approx. 3kW–6kW, depending on controller, BMS, and cell configuration |
| BMS | Smart BMS |
| Cell Balancing | Yes |
| Overcharge Protection | Yes |
| Over-discharge Protection | Yes |
| Overcurrent Protection | Yes |
| Short Circuit Protection | Yes |
| Temperature Protection | Yes |
| Communication | Bluetooth / CAN / RS485 / UART optional |
| Battery Housing | High-Strength Engineering Plastic |
| Housing Design | Engine-Style Housing |
| Overall Dimensions | Approx. 350 × 300 × 420 mm |
| Cycle Life | ≥3000 cycles under recommended operating conditions |
| Discharge Temperature | Approx. -20°C to 60°C |
| Charge Temperature | Approx. 0°C to 55°C |
| Application | Electric Motorcycle / Motorcycle EV Conversion |
| Customization | Voltage / Capacity / BMS / Connector / Communication / Logo |
Key Features
Engine-Style Battery Design
The specially designed engine-shaped housing gives electric motorcycles a more complete and traditional motorcycle appearance.
It is particularly suitable for classic motorcycle conversions where a standard rectangular battery box would negatively affect the overall vehicle design.
76.8V 40Ah LiFePO4 System
The battery uses a 24S LiFePO4 configuration with:
• 76.8V nominal voltage
• 40Ah nominal capacity
• 3.072kWh nominal energy
• 87.6V full-charge voltage
It is designed for many 72V-class electric motorcycle systems.
High-Safety LiFePO4 Chemistry
LiFePO4 cells provide excellent thermal stability, long service life, and reliable performance for electric motorcycle applications.
Compared with many conventional lithium-ion chemistries, LFP is particularly suitable for applications where safety, durability, and frequent cycling are important.
Smart BMS Protection
The integrated smart BMS continuously monitors battery operating conditions and provides multiple protection functions, including:
• Overcharge Protection
• Over-discharge Protection
• Overcurrent Protection
• Short Circuit Protection
• Temperature Protection
• Cell Balancing
Optional communication functions can also be integrated depending on the project requirements.
High Power Output
The standard configuration supports up to 80A continuous discharge, while higher current BMS configurations can be customized according to the selected cell and controller requirements.
This makes the battery suitable for many medium-power electric motorcycle systems.
Long Cycle Life
The LiFePO4 battery is designed for long-term operation and can achieve 3000+ cycles under recommended operating conditions, depending on cell specification, depth of discharge, charging rate, temperature, and operating conditions.
Flexible Communication Options
Optional communication functions include:
• Bluetooth
• CAN Bus
• RS485
• UART
Battery status information such as voltage, current, SOC, temperature, cell voltage, and protection status can be monitored when the corresponding BMS functions are configured.
Custom Battery Solution
X-Power can customize the battery according to different motorcycle platforms and controller systems.
Available customization includes:
• Battery voltage
• Battery capacity
• Cell brand
• BMS current
• Connector
• Communication protocol
• Charging interface
• Cable length
• Housing details
• Logo
• Label
• Packaging
Smart BMS Functions
The battery can be equipped with an intelligent battery management system to improve battery safety and operating reliability.
BMS Protection Functions
Overcharge Protection
Prevents individual cells from exceeding the preset charging voltage.
Over-discharge Protection
Protects cells from excessive discharge and low-voltage damage.
Overcurrent Protection
Limits abnormal discharge current during high-load conditions.
Short Circuit Protection
Automatically protects the battery when an external short circuit is detected.
Temperature Protection
Monitors battery temperature during charging and discharging.
Cell Balancing
Helps maintain consistent cell voltage and improves long-term battery performance.
Applications
This engine-style LiFePO4 battery is suitable for a wide range of electric motorcycle applications.
Retro Electric Motorcycle
Ideal for electric motorcycles with traditional or vintage styling.
Cafe Racer Electric Motorcycle
Suitable for café racer conversion projects where the original engine area remains visually exposed.
Scrambler Electric Motorcycle
Provides a compact and integrated battery solution for scrambler-style electric motorcycles.
Classic Motorcycle EV Conversion
Designed for converting conventional gasoline motorcycles into electric motorcycles while preserving the original vehicle appearance.
Street Electric Motorcycle
Suitable for medium-power urban and street electric motorcycles.
CG-Style Motorcycle Conversion
Can be adapted for CG-style motorcycle frames and similar traditional motorcycle structures.
Custom Electric Motorcycle Projects
Suitable for OEM, ODM, prototype, and customized electric motorcycle development.
Why Choose X-Power
X-Power specializes in lithium battery solutions for electric mobility applications.
Our capabilities include:
• Electric motorcycle battery development
• Custom LiFePO4 battery packs
• Smart BMS integration
• CAN / RS485 / UART communication
• Bluetooth monitoring
• Customized housing
• Customized connectors
• OEM and ODM support
• Battery testing and quality control
• International shipping support
We can develop battery solutions based on the customer's:
Motor Power + Controller Current + Battery Compartment Size + Required Range + Communication Protocol
Customization Options
Cell Options
Different LiFePO4 cell brands and formats can be selected according to the required current, cycle life, cost, and project positioning.
BMS Options
BMS current can be customized according to the motor and controller requirements.
Available options may include:
• 60A
• 80A
• 100A
• 120A
• 150A
Final BMS selection should be confirmed according to the battery cell discharge capability.
Communication Options
Available options include:
• Bluetooth
• CAN
• RS485
• UART
Connector Options
Charging and discharge connectors can be customized according to customer requirements.
Housing Customization
Housing structure, surface finish, label, logo, and cable outlet can be customized for OEM projects.
Recommended Motorcycle System
A typical application may include:
Battery: 76.8V 40Ah LiFePO4
Energy: 3.072kWh
Motor: 3kW–6kW
Controller: Customized according to motor and battery current
BMS: 80A or customized
Charger: 87.6V LiFePO4 charger
Final system compatibility should always be confirmed according to the controller's maximum voltage and current limits.
Important Compatibility Notice
Although this product is commonly marketed as a 72V-class battery, its actual nominal voltage is 76.8V because it uses a 24S LiFePO4 configuration.
The full-charge voltage is:
87.6V
Before installation, customers should confirm that the motorcycle controller, DC-DC converter, display, charger, and other electrical components can operate safely within this voltage range.
Is this a 72V or 76.8V battery?
It is a 24S LiFePO4 battery with a nominal voltage of 76.8V.
It belongs to the 72V-class electric motorcycle battery category, but the actual nominal voltage should be described as 76.8V.
What is the full-charge voltage?
The full-charge voltage is 87.6V.
What is the battery capacity?
The standard capacity is 40Ah.
What is the total battery energy?
The nominal energy is approximately:
76.8V × 40Ah = 3072Wh
or approximately:
3.07kWh
What motor power can this battery support?
A typical configuration can be used with approximately 3kW–6kW electric motorcycle systems, depending on the battery cells, BMS current, controller current, and riding conditions.
Can the BMS current be customized?
Yes.
The BMS can be customized according to the motor and controller requirements.
Does the battery support Bluetooth?
Bluetooth is optional.
CAN, RS485, and UART communication can also be customized.
Can the battery dimensions be customized?
For OEM or ODM projects, battery structure and dimensions can be evaluated according to the customer's motorcycle frame and installation space.
Can you customize the connector?
Yes.
Charging connector, discharge connector, cable length, and wiring configuration can be customized.
Is this battery suitable for motorcycle EV conversion?
Yes.
The engine-style housing is specifically suitable for classic motorcycle and gasoline-to-electric motorcycle conversion projects.