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L E-Bikes

48v 13.0/17.5Ah Downtube Battery for E-Bike Motors

48v 13.0/17.5Ah Downtube Battery for E-Bike Motors

Regular price £370.00 GBP
Regular price Sale price £370.00 GBP
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48v 13.0/17.5Ah Downtube Battery for E-Bike Motor Kits

Conservative Mileage estimates for 48V 13.0Ah battery

  • Throttle Mode: 50km (48V/250W), 40km (48V/500W), 35KM (48V/750W)
  • PAS Mode: 100km (48V/250W), 80km (48V/500W), 75KM (48V/750W)

Conservative Mileage estimates for 48V 17.5Ah battery

  • Throttle Mode: 67km (48V/250W), 55km (48V/500W), 50KM (48V/750W)
  • PAS Mode: 135km (48V/250W),110km (48V/500W), 100KM (48V/750W)

Battery Installation Measurement

  • Battery and Socket (inches): 14.46*3.54*4.37

Suitable Motors

These batteries can be used as the power source for the BAFANG UART protocol mid drive conversion kits (which we stock) or BAFANG hub kits. These are not suitable for BAFANG CAN protocol mid drive motors.

  • BBS01B: 48V 250W
  • BBS02B: 48V 500W, 48V 750W,
  • BBSHD: 48V 1000W

Upgraded Connection Method

The recently upgraded HAILONG battery connector adopts a new design, the pins are protected in the connector. The new design protects the pins from being bent when the bicycle is in vigorous motion and the gold-plated design reduces the resistance of the connector, thus reducing the chance of the connector being burnt.


Battery Management System (BMS) includes

  • Overpower Protection
  • Over Voltage Protection
  • Over Current Protection
  • Over Discharge Protection
  • Overcharge Protection
  • Short Circuit Protection
  • Cell Balancing

Anti-theft Safe Lock

Each Hailong battery has the lock and keys, the lock can help to fix the battery and prevent others from taking the battery, you can use the keys to lock the battery when you install it on the socket and unlock to take the battery for charging.

USB Connector Avaliable

Each Hailong battery is equipped with a USB port, which can charge your mobile phone or other devices.

Battery Charge Indicator

Also, you can judge the power of the battery through the indicator light of the battery -

1 Red+3 Green (100%),

1 Red+2 Green (75%),

1 Red+1 Green (50%),

1 Red+0 Green (25%) - charge the battery asap


  • Rated Volt: 48 (V)
  • Rated Capacity: 13/17.5 (Ah)
  • Cell Arrangement: 13s5p/13s5p
  • Battery Size: 36.8*9.1*11.1/36.8*9.1*11.1cm
  • Battery Weight: about 4.1/4.1 (kg)
  • Max Constant Discharge Current: 30 (A)
  • Peak Current: 60 (A)
  • Charge Voltage: 54.6 (V)
  • Cut-off Voltage: 36.4 (V)
  • Way of Charge: CC/CV
  • Charging Time: 1000
  • Charge Temperature: -15 to 65 (℃)
  • Discharge Temperature: -15 to 65 (℃)

Package Include

  • 1 - E-Bike Battery
  • 1 - Charger
  • 1 - XT60 Cable
  • 1 - Waterproof Bag
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