Above-the-Fold B2B Introduction

This 36V / 48V 25.6Ah Hailong lithium battery pack is engineered for OEM electric bike and electric scooter projects that require stable discharge performance, long cycle life, and consistent batch quality.

Built with graded 18650 lithium-ion cells and an intelligent BMS, this battery is suitable for 500W–750W motor systems and supports global B2B sourcing and export delivery.

✔ Factory direct supply
✔ OEM / ODM customization available
✔ Compliance-ready for international shipping

 Core B2B Content Modules

 Industrial-Grade Cell Configuration

• Built with A-grade 18650 lithium-ion cells

• Strict cell grading for voltage and internal resistance consistency

• Optimized pack structure for stable and reliable discharge

 Designed for 500W–750W Motor Systems

• Recommended motor power range: 500W–750W

• Stable continuous discharge with low voltage drop

• Suitable for commuting, delivery, and commercial applications

 Smart BMS for After-Sales Risk Control

• Overcharge and over-discharge protection

• Over-current and short-circuit protection

• Temperature monitoring and cell balancing

• Improves battery safety and service life

 Standard Hailong Down Tube Housing

• Industry-standard Hailong battery case

• Compatible with mainstream ebike frames

• Lockable design with quick-release function

• Easy installation and convenient removal for charging

 OEM / ODM Manufacturing & Customization

• Custom voltage and capacity options

• BMS parameter configuration

• Connector, cable, logo, and labeling customization

• Customized packaging solutions available

 B2B Supply & Delivery Assurance

• Stable monthly production capacity

• Export-grade packaging standards

• Support for sea and air shipment

• Dedicated B2B technical and after-sales support

Technical Specifications 

FAQ

Q1: Is this battery suitable for long-term bulk OEM orders?

Yes. All battery packs undergo strict cell grading, aging tests, and final inspection to ensure batch-to-batch consistency and long-term supply stability.

Q2: Do you support OEM / ODM customization?

Yes. We support customization of voltage, capacity, BMS parameters, connectors, branding, and packaging.

Q3: What motor power range is this battery suitable for?

This battery is optimized for 500W–750W motor systems, balancing performance and battery lifespan.

Q4: Is this battery compliant for international shipping?

Yes. It complies with UN38.3, MSDS, and CE standards and is suitable for global export.

Q5: What after-sales support do you provide?

We provide technical documentation, QC reports, and a 12-month warranty for B2B customers.