Downtube Hailong E-Bike Battery – 36V/48V/52V Li-Ion for 250W–1000W Motors

Get more range from your e-bike with this versatile Hailong downtube battery. Available in 36V, 48V, and 52V configurations with multiple capacity options, it's compatible with most popular hub motors and mid-drive setups.

Key Features:
• Available in 36V, 48V & 52V
• Capacities: 13Ah, 15Ah, 20Ah & 25Ah
• Fits 250W, 350W, 500W, 750W & 1000W motors
• Hailong downtube design for secure frame mounting
• CE, UL, WEEE certified cells
• Built-in BMS for overcharge, over-discharge & short-circuit protection

Ideal for e-bike builds and replacements. Select your voltage and capacity above to find your perfect match.