Description
Product Overview
Upgrade your electric bike with the versatile Hailong Polly Battery – a high‑performance, multi‑voltage power pack designed for riders who demand reliability, range, and speed. Whether you’re powering a 1000 W or 2000 W motor, this 72 V 3000 W 60 Ah lithium battery delivers unmatched endurance and power for all your e‑bike adventures.
Key Highlights
- Multi‑Voltage Flexibility: 36 V, 48 V, 52 V, 60 V options to match a wide range of e‑bike motors
- High Capacity: 30 Ah, 40 Ah, or 50 Ah variants – choose the range that suits your riding style
- Powerful Output: 1000 W or 2000 W conversion kit compatible, ideal for city commutes and off‑road excursions
- Lightweight Lithium‑Ion Chemistry: Up to 60 Ah without the bulk of lead‑acid batteries
- Smart Battery Management System (BMS): Protects against over‑charge, over‑discharge, and short‑circuit for safe, long‑term use
- Quick‑Connect Terminals: Easy installation, no soldering required
- Long‑lasting Cycle Life: 2000+ cycles at 80 % depth of discharge
Technical Specifications
- Voltage Range: 36 V – 60 V (selectable)
- Capacity: 30 Ah / 40 Ah / 50 Ah / 60 Ah
- Power Rating: 1000 W / 2000 W conversion kit compatible
- Weight: 12 kg – 18 kg (depending on capacity)
- Dimensions: 260 mm × 140 mm × 80 mm
- Battery Chemistry: Lithium‑Ion (LiFePO4)
- Charging Time: 4–6 hours (standard charger)
- Operating Temperature: –10 °C to +40 °C
Benefits
- Extended Range: Enjoy up to 120 km per charge on flat terrain
- Rapid Acceleration: Powerful motors give you instant torque for hills and quick starts
- Eco‑Friendly: Zero emissions and lower operating costs compared to combustion engines
- Durability: Built to withstand harsh riding conditions and frequent use
- Easy Maintenance: No electrolyte checks or water refills – just plug and ride
Compatibility & Installation
This battery and conversion kit are engineered for a wide variety of e‑bike frames and motor setups. Simply replace your existing battery with the Hailong Polly pack, connect the quick‑connect terminals, and you’re ready to ride. The included BMS ensures seamless integration with most controller types, providing a plug‑and‑play experience for both novice and experienced riders.
Why Choose Hailong Polly?
- Proven Performance: Trusted by thousands of riders worldwide
- Comprehensive Warranty: 12‑month guarantee on battery and 6‑month on the conversion kit
- Dedicated Support: 24/7 customer service and installation guides
- Competitive Pricing: Premium quality without the premium price tag
Order Now and Transform Your Ride
Ready to experience the next level of electric biking? Click “Add to Cart” and upgrade to the Hailong Polly 72 V 3000 W 60 Ah Battery today – the ultimate power solution for every e‑bike enthusiast.






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