Hailong Polly High-Capacity E-Bike Battery – 36V/48V/52V/72V for 500W–2000W Motors

Go further on every charge. The Hailong Polly battery pack is one of the most versatile and powerful e-bike batteries available — compatible with a wide range of voltages and motor sizes, making it perfect for custom builds, upgrades, and high-performance electric bikes.

Key Features:
• Available in 36V, 48V, 52V, 60V & 72V configurations
• Capacity options: 25Ah, 30Ah, 40Ah, 50Ah, 60Ah
• Compatible with 500W, 750W, 1000W & 2000W motors
• Premium 18650 lithium cells (CE, FCC, RoHS certified)
• Built-in BMS for full battery protection
• Hailong shell design for secure e-bike frame mounting

Whether you're building a custom e-bike or upgrading an existing one, this battery delivers the power and range you need. Multiple voltage and capacity combos available — select the right fit for your motor.