CAO MM Hailong High-Capacity Lithium E-Bike Battery Pack & Charger Kit –

 36V / 48V / 52V Voltages (Grade AAA 18650 & 21700 Cell Configurations up to 20Ah)

Power up your ride with the CAO MM Hailong Series Lithium E-Bike Battery Pack. Engineered for high discharge performance, long range, and maximum reliability, this downtube-mounted battery slides into standard water bottle frame mounts.

Built using premium Grade AAA lithium-ion cells (high-density 2500mAh 18650 cells for standard models and high-capacity 4800mAh 21700 cells for 20Ah ultra-range models), this battery pack is CE and RoHS safety certified. Every battery includes a matching fast charger, mount cradle, and an anti-theft key lock system.

⚠️ Performance & Compatibility Notes

• Optimized Direct Wiring: CAO MM has eliminated the external manual power switch on this series to prevent internal resistance drops, boost efficiency, and increase long-term switch durability under high motor loads.

• Cell Architecture: 10Ah and 15Ah configurations utilize proven 18650 cells (2500mAh). High-output 20Ah models are upgraded to high-density 21700 cells (4800mAh) for maximum energy storage.

• Anti-Theft Security: Each battery comes with a unique key design to prevent unauthorized removal from your bike frame.

🚀 Key High-Performance Features

• Universal Frame Mount: Standard Hailong form factor mounts directly to frame downtube water bottle bosses.

• High-Capacity Cell Options: Choose from full-capacity 10Ah, 15Ah, or 20Ah packs to meet your distance needs.

• Grade AAA Lithium-Ion Quality: Engineered for long cycle life with minimal capacity degradation.

• Smart Charger Included: Every battery ships with a matching dedicated lithium charger for safe, optimized charging.

• Multi-Voltage Support: Offered in standard 36V, powerful 48V, and high-speed 52V configurations.

• CE & RoHS Certified: Complies with strict global electrical safety and hazardous materials standards.

📊 Technical Specifications Matrix

📋 Ideal Applications

The CAO MM Hailong Series is engineered for:

• Standard & Custom Electric Bicycle Builds (Hub Motor & Mid-Drive Kits)

• Downtube Frame-Mounted E-Bike Battery Replacements

• Long-Range Commuter E-Bikes and Cargo Bikes

📦 Package Contents

• 1 x CAO MM Hailong Lithium Battery Pack

• 1 x Mounting Base & Discharge Cable

• 1 x Matching Dedicated Lithium Battery Charger

• 2 x Unique Anti-Theft Lock Keys

Upgrade your e-bike range today. Choose your voltage and capacity options above, click Add to Cart, and enjoy Free Shipping!

36V 48V 52V 10AH 15AH 20Ah Hailong Ebike Battery BMS 350W 500W 750W 1000W 1500W 18650 Scooter Lithium Battery Pack Free Shipping with Charger

✔️【Ebike Battery Parameter】This Hailong battery pack is 36V 10AH/ 36V15AH/ 48V 10AH/ 48V 15AH 48V 20Ah/ 52V 20Ah, suitable for 1500W max electric bike motor. Max constant discharge current is 30A. The discharge connector is XT60; the cycle life is more than 2000+ times.

✔️【Main Features】The USB port can charge your phone and other devices outdoors. High-quality 18650 cells and equipped with a BMS prevent overcharging, overdischarging, and short circuit and ensure the long-term use of your Bike Motor and your ebike battery. LED battery level light can inform you of charging in time! Keys are used to lock the battery on the frame!

✔️【≥80% Capacity After 1000 Cycles】 E-bike battery has implemented a strict high-quality management policy: Each Lithium battery passes the QC appearance and function.

✔️ 【 Anti-theft】All batteries have different keys; your battery won't be unlocked by others.

✔️What's in the package:

1 x battery, 1 x battery fix plate, 1 x discharging line,

1 x charger, 1 x AC line, 1 x XT60 line, 2 x keys, 4 x screws

✔️About Shipment:

We can't transport batteries from California to Hawaii and other remote areas.

The default port in the United States warehouse is an XT60 plug.

Please inform me if you need other ports.

🔺Notice

1. Please kindly check the battery size carefully before placing the order.

2. Please fully charge the battery first before using it when you receive the battery.

3. Please do not put the battery in the sun or a hot place. Try to put the battery in a cool place.

4. Please do not let the battery bump or drop from a high place.

5. Please do not open a dispute or left negative/netural feedback before contacting us; we will try our best to solve the problem for you ASAP.