Hailong 48 V 17.5 Ah down-tube (Bafang): about 840 Wh at 17.5 Ah, 48 V, down-tube case (Hailong / Reention). Which e-bikes it fits, the charge port it uses, and the drive systems it will not work with.

Updated 05 September 2026.

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Hailong 48 V 17.5 Ah down-tube (Bafang) (48 V, 17.5 Ah, XT60): specs and what it fits

What the Hailong 48 V 17.5 Ah down-tube (Bafang) measures, the drive system it belongs to, and the bikes it fits.

ConnectorXT60 discharge connector
Power panel
Voltage
48 V
Capacity
about 840 Wh at 17.5 Ah
Energy
840 Wh
Connector
XT60 discharge connector
Published battery data
Capacityabout 840 Wh at 17.5 Ah
Voltage48 V
Rated capacity17.5 Ah
Formdown-tube case (Hailong / Reention)
Charge portXT60 discharge connector
FitsBafang BBS02B and BBSHD 48 V mid drives and 48 V hub conversions

Fits: Bafang BBS02B and BBSHD 48 V mid drives and 48 V hub conversions.

The 48 V 17.5 Ah Hailong is a common OEM-style conversion pack, balancing weight and range on a 48 V BBS02 or hub kit. Match the pack voltage to the motor and confirm the discharge connector before ordering.

It charges through the XT60 discharge connector.

System, fit and connector

Questions and answers

What is the capacity of the Hailong 48 V 17.5 Ah down-tube (Bafang) (48 V, 17.5 Ah, XT60)?

about 840 Wh at 17.5 Ah

What is the voltage of the Hailong 48 V 17.5 Ah down-tube (Bafang) (48 V, 17.5 Ah, XT60)?

48 V

What is the rated capacity of the Hailong 48 V 17.5 Ah down-tube (Bafang) (48 V, 17.5 Ah, XT60)?

17.5 Ah

What is the form of the Hailong 48 V 17.5 Ah down-tube (Bafang) (48 V, 17.5 Ah, XT60)?

down-tube case (Hailong / Reention)