Hailong 20.8ah Lithium Ion E-bike Battery

Engineered for riders who demand extended range, consistent output and long-term reliability, the Hailong 48V 20.8Ah lithium-ion battery delivers a refined power experience for modern electric bikes.

With its high-capacity cell architecture, this battery is designed to support longer journeys, higher load systems and sustained performance across varied riding conditions. Power delivery remains smooth and stable, making it an ideal solution for premium commuting builds, touring configurations and performance focused conversions.

Encased in the widely trusted Hailong housing, the battery integrates a durable outer shell with advanced internal protection systems. The result is a power unit that not only performs at a high level but also complements premium e-bike builds with a clean, professional finish.

Supplied with a matched 54.6V charger, this system provides a complete energy solution ready for seamless integration.

Key Benefits

• High capacity 20.8Ah design for extended range and endurance
• Stable 48V output for smooth and consistent motor performance
• Premium lithium-ion cells for reliable long-term operation
• Refined Hailong casing for durability and broad compatibility
• Suitable for high quality commuter, touring and performance e-bikes
• Supplied with dedicated charger for safe and efficient recharging

Technical Specifications

• Nominal voltage: 48V
• Rated capacity: 20.8Ah
• Charge voltage: 54.6V
• Cell configuration: 13S4P
• Individual cell capacity: 5200mAh
• Cycle life: up to 1000 charge cycles
• Connector type: XT60
• Battery weight: approximately 7kg
• Battery dimensions: 475 × 195 × 175 mm
• Included charger: 54.6V 3A charger