Hailong Downtube 48V 36V 52V E-Bike Lithium Battery Pack - 13Ah to 20Ah Original 21700/18650 Cells for Electric Bike Motor Conversion Kit
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Includes all key accessories and simple setup instructions for quick start!
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Expected arrival within 12–15 days
Upgrade your electric bike with the Hailong Downtube Lithium-Ion Battery Pack, engineered for reliable power, extended range, and safety. Available in 36V, 48V, and 52V options with capacities ranging from 13Ah to 20Ah, this battery is built with original, high-grade 21700 or 18650 cells to deliver consistent performance for your e-bike motor.
Housed in a sturdy, lockable downtube case, it features an advanced Built-in BMS (Battery Management System) that protects against overcharging, short-circuits, and overheating. Easy to install and remove, it is the ultimate power solution for daily commuting and long-distance e-bike conversion kits.
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Universal Fit: Compatible with most standard e-bike frames and motor kits.
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Long Range & Power: High-density cells ensure stable output and longer rides per charge.
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Safe & Durable: Premium BMS protection with a secure, lockable casing.