Description
High-Performance Hailong Lithium Battery for Electric Bikes
Upgrade your electric bicycle with the Hailong DP7 21700 Lithium Battery, engineered for riders who demand superior range, reliability, and power. Designed specifically for high-performance e-bikes, this down-tube battery seamlessly integrates with popular motor systems, including the Bafang 2000W, to deliver consistent and robust acceleration. Whether you are commuting through the city or tackling rugged trails, this battery provides the energy efficiency and durability you need for every ride.
Key Features & Benefits
- Flexible Voltage & Capacity Options: Available in 48V, 52V, 60V, and 72V configurations with capacities ranging from 20Ah to 60Ah (including 25Ah, 30Ah, 35Ah, 40Ah, 45Ah, and 50Ah) to match your specific range requirements.
- Advanced 21700 Cell Technology: Utilizes premium 21700 lithium cells for higher energy density, improved thermal management, and extended cycle life compared to standard 18650 cells.
- Optimized for High-Power Motors: Specifically tuned to handle the high-current demands of Bafang 2000W and similar high-performance hub motors, ensuring stable power delivery under load.
- Compact Down-Tube Design: The sleek “Polly” down-tube form factor maintains your bike’s center of gravity and aesthetic, offering a clean, integrated look without sacrificing accessibility.
- Smart BMS Protection: Equipped with a smart Battery Management System (BMS) that protects against over-charging, over-discharging, short circuits, and temperature extremes for maximum safety.
Technical Specifications
- Cell Type: 21700 Lithium-Ion
- Voltage Options: 48V, 52V, 60V, 72V
- Capacity Options: 20Ah, 25Ah, 30Ah, 35Ah, 40Ah, 45Ah, 50Ah, 60Ah
- Compatible Motors: Bafang 2000W, Hailong, and other high-performance e-bike motors
- Form Factor: Down-Tube (Polly Series DP7)
Experience the perfect balance of power and portability with the Hailong DP7 battery. Choose the voltage and capacity that best suits your riding style and motor setup for a seamless, high-performance electric cycling experience.






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