48V Hailong eBike Battery – 10Ah, 15Ah & 20Ah Lithium-Ion Battery Pack

Replacement 48V eBike Battery for Compatible 500W, 750W, 1000W & 1500W Builds

Keep your eBike powered and ready to ride with a 48V Hailong-style lithium-ion replacement battery available in multiple capacity options. Designed for compatible electric bicycles, mountain eBikes, and electric scooter applications, this battery is available in 10Ah, 15Ah, and 20Ah configurations.

The 48V 20Ah version uses a 13-series battery configuration with 4 cells in parallel (13S4P) and 3.7V 2500mAh lithium-ion cells.

🔋 Available Capacity Options

• 48V 10Ah

• 48V 15Ah

• 48V 20Ah

The 20Ah version provides greater energy capacity than the 10Ah and 15Ah options and can be a good choice for riders looking for more range.

Actual riding range will vary depending on rider weight, terrain, speed, motor power, controller settings, weather, tire pressure, and riding conditions.

⚡ Built for Compatible 48V eBike Systems

This battery is designed for compatible 48V electric bicycle and electric scooter systems, including applications listed for approximately 500W, 750W, 1000W, and certain higher-power builds.

Compatible applications may include:

• Mountain eBikes

• Electric bicycles

• Electric scooters

• Custom eBike builds

• Hailong-style battery systems

• Compatible Bafang-powered eBikes

Important: Motor wattage by itself does not determine battery compatibility. Verify your motor, controller, battery voltage, connector, mounting dimensions, discharge requirements, and BMS specifications before ordering.

🔋 48V 20Ah Battery Configuration

The listed 48V 20Ah configuration uses:

13S4P

• 13 cells/groups connected in series

• 4 cells in parallel

• 3.7V nominal individual cells

• 2500mAh cell capacity

• Lithium-ion chemistry

This configuration provides the battery's nominal 48V-class operating voltage and 20Ah capacity.

🔌 Battery Charge Indicator

The integrated battery indicator helps you check the approximate remaining charge:

🔴 1 Red Light – Approximately 25% Power
Charge the battery at this level.

🔴🟢 1 Red + 1 Green – Approximately 50% Power

🔴🟢🟢 1 Red + 2 Green – Approximately 75% Power

🔴🟢🟢🟢 1 Red + 3 Green – Approximately 100% Power

Battery indicator readings are approximate and should not be treated as an exact measurement of remaining capacity.

🚲 Hailong Battery Design

The Hailong-style battery format is commonly used for frame-mounted eBike battery applications.

It's a practical replacement option for riders who need a new battery for an existing compatible Hailong setup or are building a custom electric bicycle.

Please compare the battery dimensions and mounting system with your existing battery before ordering.

📋 Product Specifications

⚠️ Check Compatibility Before Ordering

Before purchasing, compare your existing battery and electrical system carefully.

Verify:

• 48V battery requirement

• Battery capacity

• Battery dimensions

• Hailong mounting system

• Connector type

• Connector polarity

• Controller voltage

• Controller maximum current

• Motor requirements

• Battery discharge/BMS specifications

• Charger compatibility

Do not connect a 48V battery to a system that is not designed for 48V operation.

Also make sure your charger is designed for the specific lithium-ion battery voltage and charging requirements.

If you're replacing an existing Hailong battery, comparing the photos, dimensions, connector, and mounting plate before ordering is recommended.

🛒 Shop Replacement eBike Batteries

Need a replacement battery for your electric bike?

ChargeMyEBike.com offers eBike batteries, chargers, mounting hardware, battery cases, connectors, and other power accessories to help keep your ride moving.

Power Your Ride. Charge Anywhere. Ride Longer.

Product Highlights

✔ 48V lithium-ion battery
✔ 10Ah, 15Ah & 20Ah options
✔ Hailong-style design
✔ 13S4P configuration for listed 20Ah version
✔ 3.7V 2500mAh lithium-ion cells
✔ Battery charge indicator
✔ CE & UL certification listed
✔ 2-year manufacturer warranty
✔ Designed for compatible electric bicycles and scooters
✔ Suitable for compatible custom and mountain eBike builds

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