





48V 15.6Ah Hailong E-Bike Battery LG 21700 M52 Cells - 750Wh 5-Pin Blade Base 30A BMS for Bafang BBS02 - US Stock
SKU: 48V-15.6AH-HAILONG-5PIN-LG-USA
$262.00£290.00
In Stock
48VVoltage
15.6AhCapacity
LG M52 5200mAhCell
30ABMS
- High Performance: Compatible with 250W - 1400W motors.
- Premium LG Cells: Genuine Grade-A LG21700 cells for high energy density.
- Smart Protection: 30A Continuous discharge.
- Complete Kit: Includes 2A Smart Charger, 5P Base Plate & Lock Keys.
1-Year WarrantyOfficial Support
Global StockFast Shipping
30 Days ReturnPeace of Mind
CECertified
UN38.3Tested
IEC62133
UKCAMarked
Product Description
Hard-to-Find 5-Pin Blade Discharge Version! Upgrade your electric bike with our 48V 15.6Ah Hailong Downtube Battery. Powered by authentic high-density LG INR21700-M52 (5200mAh) cells, this pack delivers a massive 748.8Wh energy capacity in a ultra-compact 14.1-inch case—making it the ultimate direct replacement for classic Hailong 1 (HL1) e-bike setups.
⚠️ Critical Fitment Check: 5-Pin Blade Discharge Base
Many older Hailong downtube batteries use specific base configurations. This model features the 5-Pin Blade Discharge Connector.
- Check Your Mounting Base: Look at your current battery slide base. Does it have 5 metal blade slots? If yes, this is your exact drop-in replacement.
- Complete Kit Included: Comes with a brand new 5-pin base plate and discharge cable in case you need to replace your existing mounting bracket.
🏆 Compact Casing with High-Density LG M52 Power
Built into the classic compact Hailong 1 Casing (360mm / 14.1" length), this battery fits easily into smaller bike frame triangles where standard larger batteries won't clear.
- Grade-A LG 21700 M52 Cells: Utilizing 39 premium LG 5200mAh cells (13S3P configuration) for lower voltage sag under heavy load and long cycle life.
- 748.8Wh Reserve: Enjoy up to 45 - 75 miles (70 - 120 km) of range per charge on pedal assist.
- 30A Smart BMS: Safely feeds continuous current up to 1400W peak output for Bafang BBS01, BBS02, Tongsheng TSDZ2, and 48V hub motors.
🇺🇸 USA Warehouse - Fast Ground Shipping & Zero Customs Fees
- Fast US Dispatch: Ships directly from our US warehouse via FedEx / UPS Ground (1-3 business days delivery).
- US Standard Plug Included: Complete kit includes a 54.6V 2A smart charger with a native US 3-pin AC power cord.
⚠️ Fitment Check: Before purchasing, please verify your frame dimensions. Use the size chart in the image gallery or contact us if you are unsure.
Technical Specifications
| cell Type | LG INR21700-M52 (5200mAh) |
|---|---|
| configuration | 13S 3P (39 Cells Total) |
| nominal Voltage | 48V |
| nominal Capacity | 15.6Ah (748.8Wh) |
| bms Rating | 30A Continuous (60A Peak) |
| output Power | Supports 250W to 1400W Motors |
| charging Voltage | 54.6V (2A Smart Charger with US Plug) |
| discharge Cutoff | 36V |
| connector | Anderson Connector |
| battery Pack Size | 360 * 97 * 97 mm (14.1 x 3.8 x 3.8 in) |
| weight | Approx. 3.6kg (7.9 lbs) |
