5 Reasons Why This Hailong Battery Is Your Best Upgrade

1. Grade-A 18650 Cells — Real Capacity, Strong Performance

Built with premium Grade-A 18650 cells for stable discharge, lower heat, and longer cycle life.
No fake capacity. No performance drop. Only real power.

2. Smart BMS Protection for Safe Riding

Integrated high-quality BMS with full safety protection:

• Overcharge protection

• Over-discharge protection

• Overcurrent protection

• Short-circuit protection

• Temperature protection

Your battery stays safe in all riding conditions.

3. Standard Hailong Case — Easy Installation

Plug-and-play design with a standard Hailong case and mounting rail.
Compatible with most e-bike frames and conversions.

4. Water-Resistant IPX4 Housing

Ride confidently in wet or rainy conditions.
The shell is sealed and reinforced for daily outdoor use.

5. Supports 250W–750W Motors

Stable output with strong peak current.
Ideal for Bafang, Tongsheng, hub motors, and most DIY e-bike kits.

Product Specifications

Perfect For These Use Cases

✔ Daily Commuting

Stable output with long-range performance — no range anxiety.

✔ Hill Climbing & Off-Road Riding

High-current discharge gives strong torque and better climbing power.

✔ Battery Replacement / Upgrade

Direct replacement for most Hailong-style batteries. Instant improvement in range & performance.

Why This Battery Lasts Longer Than Standard Packs

• Higher-grade cells with better heat resistance

• More advanced BMS protection

• Stronger nickel strips & safer pack structure

• Better waterproof sealing

• Improved balancing for longer battery lifespan

A more reliable choice for long-term riders and powerful e-bike motors.

What’s Included

• ✔ 1 × Hailong Lithium Battery

• ✔ 1 × Mounting Base (Rail + Lock Key)

• ✔ 1 × Charger (Matched to your voltage)

• ✔ 1-Year Warranty (Extendable to 2 years)

FAQ

Q1: Will this battery fit my e-bike?

If your motor is between 250W–750W, it will fit most e-bike kits and mountain bikes.
Not sure? Contact us and we’ll confirm the connectors.

Q2: What’s the difference between 48V and 52V?

• 48V: universal compatibility

• 52V: higher voltage → more speed, more torque (compatible with most 48V controllers)

Q3: Does higher capacity mean longer range?

Yes.
18.2Ah typically delivers 20–25% more range than 15.6Ah.

Q4: Is this battery safe?

Yes — it includes:

• Grade-A cells

• Full BMS protection

• Discharge test before shipping

Every battery is tested before packaging.

Q5: Can I customize connectors, BMS current, or capacity?

Yes. OEM/ODM customization is available for bulk orders.