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Dongguan X-Power Intelligent Technology Co.,Ltd
Dongguan X-Power Intelligent Technology Co.,Ltd

76.8V 40Ah Engine-Style LFP Battery Pack with Smart BMS

Overall Description:

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.

76.8V 40Ah Engine-Style LFP Battery Pack with Smart BMSChat Now
76.8V 40Ah Engine-Style LFP Battery Pack with Smart BMS 76.8V 40Ah Engine-Style LFP Battery Pack with Smart BMS 76.8V 40Ah Engine-Style LFP Battery Pack with Smart BMS 76.8V 40Ah Engine-Style LFP Battery Pack with Smart BMS

Parameters

Product Description

FAQ

ItemSpecification
Product NameElectric Motorcycle LiFePO4 Battery
ModelX-Power 76.8V 40Ah
Voltage Class72V Class
Nominal Voltage76.8V
Nominal Capacity40Ah
Battery ChemistryLiFePO4 / LFP
Cell Configuration24S
Nominal Energy3.072kWh / 3072Wh
Charge Voltage87.6V
Recommended Charge Current10A
Maximum Charge CurrentCustomizable according to cell specification
Standard Continuous Discharge Current80A
Peak Discharge Current100–150A, customizable
Recommended Motor PowerApprox. 3kW–6kW, depending on controller, BMS, and cell configuration
BMSSmart BMS
Cell BalancingYes
Overcharge ProtectionYes
Over-discharge ProtectionYes
Overcurrent ProtectionYes
Short Circuit ProtectionYes
Temperature ProtectionYes
CommunicationBluetooth / CAN / RS485 / UART optional
Battery HousingHigh-Strength Engineering Plastic
Housing DesignEngine-Style Housing
Overall DimensionsApprox. 350 × 300 × 420 mm
Cycle Life≥3000 cycles under recommended operating conditions
Discharge TemperatureApprox. -20°C to 60°C
Charge TemperatureApprox. 0°C to 55°C
ApplicationElectric Motorcycle / Motorcycle EV Conversion
CustomizationVoltage / 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.

Q

Is this a 72V or 76.8V battery?

A

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.

Q

What is the full-charge voltage?

A

The full-charge voltage is 87.6V.

Q

What is the battery capacity?

A

The standard capacity is 40Ah.

Q

What is the total battery energy?

A

The nominal energy is approximately:

76.8V × 40Ah = 3072Wh

or approximately:

3.07kWh

Q

What motor power can this battery support?

A

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.

Q

Can the BMS current be customized?

A

Yes.

The BMS can be customized according to the motor and controller requirements.

Q

Does the battery support Bluetooth?

A

Bluetooth is optional.

CAN, RS485, and UART communication can also be customized.

Q

Can the battery dimensions be customized?

A

For OEM or ODM projects, battery structure and dimensions can be evaluated according to the customer's motorcycle frame and installation space.

Q

Can you customize the connector?

A

Yes.

Charging connector, discharge connector, cable length, and wiring configuration can be customized.

Q

Is this battery suitable for motorcycle EV conversion?

A

Yes.

The engine-style housing is specifically suitable for classic motorcycle and gasoline-to-electric motorcycle conversion projects.

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