Description
72V 25AH Hailong Battery Pack – 18650 & 21700 Cells, 1500W-2000W Lithium Power for Electric Mountain Bikes & Cars
Product Overview
Elevate your electric vehicle’s performance with the 72V 25AH Hailong Battery Pack. Engineered from premium 18650 and 21700 lithium cells, this pack delivers robust power for high‑performance e‑bikes, electric cars, and off‑road adventures. Its lightweight, modular design ensures a smooth ride while maintaining peak efficiency.
Key Highlights
- High‑capacity 72V 25AH power source for extended range
- Hybrid 18650 & 21700 cell construction for optimal balance of energy density and durability
- Designed for 1500W-2000W motor output – perfect for mountain biking and electric car conversions
- Integrated BMS (Battery Management System) for safety, over‑charge protection, and cell balancing
- Compact, lightweight chassis reduces overall vehicle weight
- Easy installation with standard connectors and mounting hardware
- Long cycle life – up to 2000 charge cycles at 80% depth of discharge
- Temperature‑controlled operation (0°C to 45°C) for reliable performance in varied climates
Technical Specifications
- Voltage: 72V (nominal)
- Capacity: 25AH (25000mAh)
- Cell Type: 18650 & 21700 lithium‑ion (Li‑CoO₂)
- Maximum Continuous Current: 35A
- Max Discharge Current: 70A (peak)
- Dimensions: 350mm × 120mm × 80mm (approx.)
- Weight: 6.5kg (packaged)
- Connector Type: 6.35mm DC plug (standard)
- Operating Temperature: 0°C – 45°C
- Warranty: 2 years limited, 6 months on cells
Applications
Whether you’re powering an electric mountain bike, a commuter e‑car, or a custom electric vehicle, the Hailong 72V 25AH pack offers the versatility and reliability needed for demanding tasks.
Why Choose Hailong?
Hailong’s commitment to quality means you receive a battery that’s rigorously tested for safety, performance, and longevity. Our BMS technology ensures each cell stays within optimal parameters, extending the life of your pack while protecting your vehicle.
Warranty & Support
Enjoy peace of mind with a 2‑year limited warranty on the pack and 6‑month warranty on individual cells. Our dedicated support team is ready to assist with installation, troubleshooting, and any questions you may have.






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