Skip to product information
1 of 15

Electric Bikes and Accessories

Hailong E-Bike Battery 36V 48V for Mountain Bikes | Long Range Power

Hailong E-Bike Battery 36V 48V for Mountain Bikes | Long Range Power

Regular price $498.00 USD
Regular price $249.64 USD Sale price $498.00 USD
Sale Sold out
Shipping calculated at checkout.
Ships From
Color

Hailong E-Bike Battery 36V 48V 20Ah for Mountain Bicycles

The Hailong E-Bike Battery is a top-tier power source designed for electric mountain bikes that demand long-range, consistent performance. Whether you ride a 250W or a 1000W Bafang-equipped e-bike, this battery delivers the stamina and reliability you need on rugged trails or long commutes.

Shop now at Electric Bikes and Accessories for fast, free shipping. Follow us on Pinterest for e-bike lifestyle inspiration and updates.

Why Choose the Hailong Lithium Battery?

This battery stands out due to its capacity, versatility, and build quality. Whether your e-bike motor is 250W or 1000W, this battery can deliver the power efficiently.

Key Specifications:

  • Voltage: 36V / 48V

  • Capacity: 20Ah

  • Battery Type: Lithium-ion, 18650 cells

  • Motor Compatibility: 250W / 500W / 750W / 1000W Bafang motors

  • Design: Hailong style casing (frame-mounted)

  • Cycle Life: 1000+ charge cycles

  • Weight: Lightweight for its class

  • Safety: Built-in BMS (Battery Management System)

  • Charging Time: 4–6 hours with 2A–3A charger

Enhanced Compatibility

Fits Most E-Bike Types:

  • Mountain Bikes

  • Commuter E-Bikes

  • Folding E-Bikes

  • Bafang Conversion Kits

Bafang Motor Ready

This battery seamlessly pairs with popular Bafang motors, offering instant plug-and-play performance. It supports motors ranging from 250W to 1000W.

High-End 18650 Lithium Cells

Enjoy longer rides and fewer worries. This battery uses high-quality 18650 cells, delivering reliable power, better thermal control, and a consistent voltage profile.

Advantages of 18650 Cells:

  • Higher energy density

  • Lightweight construction

  • Better temperature management

  • Longer lifecycle

Ride Further with 20Ah Capacity

The generous 20Ah capacity means you can ride up to 80–120 km depending on terrain, weight, and motor wattage. Whether commuting or off-roading, this battery gives you the freedom to explore more.

Real-World Range Estimates:

Motor Wattage Estimated Range
250W 100–120 km
500W 80–100 km
750W 70–90 km
1000W 60–80 km

Long-Lasting Performance

With 1000+ charge cycles, this battery is built to last for years. Over time, it maintains over 80% of original capacity, ensuring dependable rides even after extended use.

Smart Protection System (BMS)

The Battery Management System protects your battery from:

  • Overcharge

  • Over-discharge

  • Short circuits

  • Overheating

This smart layer of safety preserves battery health and extends lifespan.

Rugged Yet Lightweight Casing

The Hailong shell is made from durable ABS plastic. It's weather-resistant and can handle bumps, drops, and the rough handling that comes with active e-bike use.

Easy Installation

  • Frame-mounted design

  • Locking mechanism for security

  • Removable for charging

Charger Compatibility

The battery pairs best with 2A to 3A chargers. Always use compatible chargers to ensure optimal charge rate and safety.

Technical Summary

Feature Specification
Voltage 36V / 48V
Capacity 20Ah
Motor Compatibility 250W to 1000W
Cell Type 18650 Li-ion
Charging Time 4–6 hours
Cycle Life 1000+ cycles
BMS Protection Yes (built-in)
Mount Style Down Tube (Hailong)
Weight Approx. 3.5–4.0 kg

Shop the Best E-Bike Batteries

Don't settle for average performance. Upgrade your ride today with the Hailong 36V/48V 20Ah e-bike battery from Electric Bikes and Accessories.

Follow us on Pinterest to see how our customers are enhancing their rides.

Warranty and Support

  • 12-month warranty included

  • Expert customer service

  • Technical support via email

  • Fast, free shipping from US, EU, and AU warehouses

Final Thoughts

If you're looking for a reliable, powerful, and long-range electric bike battery, this Hailong model is an excellent investment. It combines strength, safety, and stability—built for the toughest trails and longest commutes.

Upgrade your e-bike battery today and rediscover how far you can go!




Product Features:
【High energy density】 Our Ebike lithium batteries have high energy density, which means they are capable of storing large amounts of electrical energy in a relatively small size and weight. Therefore, it can travel longer distances on a single charge, improving driving efficiency and convenience.
【Design Features】 The LED power indicator on the body can remind you to charge on time. And equipped with a safety lock to prevent theft. ▶ 30A/40A BMS: can effectively protect the battery and make it safer▶ Waterproof case: Reduces the possibility of damaging the internal battery.▶With battery base, easy to install.The discharge connector is XT60 style, and there is also an extra XT60 adapter inside the parcel. 
【Long cycle life】 Lithium batteries generally have a long service life and cycle life, and can withstand thousands of charge and discharge cycles without losing much capacity. This makes them a solid choice for long-term investment, reducing the frequency of battery replacement and maintenance costs.
【Warranty Service】 If the electric bicycle battery is damaged within one year or other problems. Please do not hesitate to contact us, we will give you satisfactory results.

Product Specifications:

Please confirm the motor and voltage of your ebike before the purchase and check whether the size of the battery can be placed in your bike's frame,and finally choose the battery that fits for your bike.
 

Nolminal Voltage

36V 10Ah

36V 15Ah

48V 10Ah

48V 20Ah

Base In Plug

4-Pin

4-Pin

4-Pin

4-Pin

For motor

36V 0~750w

36V 0~1000w

48V 0~1000w

48V 0~1500w

Watt Hours

360Wh(Power:30-40KM)

540Wh(Power:45-60KM)

480Wh(Power:30-40KM)

720Wh(Power:45-60KM)

Cell

A-grade 18650 

A-grade 18650 

A-grade 18650 

A-grade 18650 

Weight

3.75 kg(8.27lbs)

4.9 kg(10.8lbs)

4.4 kg(9.7lbs)

5.8 kg(12.79lbs)

With Charger

42V2A

42V2A

54.6V2A

54.6V 2A

Discharge Connector

XT60

XT60

XT60

XT60

BMS

30A(BMS)

30A(BMS)

30A(BMS)

40A(BMS)

Size

370*95*89mm
(14.57*3.74*3.5inch)
 370*95*100mm
(14.57*3.74*4.17inch)
 370*95*89mm
(14.57*3.74*3.5inch)
  370*95*100mm
(14.57*3.74*4.17inch)

View full details