e-bike rear rack battery discharging connector with golden banana pins.

The default connector has 5 golden pins, two big pins and 3 small pins, some battery suppliers may only solder two big pins, if so, you can just ignore the rest 3 small pins.

Note, there are several rear rack casings with different connectors, please double check your original connectors before ordering.

Packing list: A pair plug including golden pins

E-bike frame battery case(DS-6); this case has ON/OFF switch, 5V USB output and battery indicator.

The default charging port is round 2.1DC connector(your charger needs to use round 5.5x2.1DC connector); if you want fast charging for the battery, we can install 2.5DC charging port for the case which can bear larger current.

Cell holders and battery mounting base are included with the case.

E-bike battery case Hailong 02 or Hailong G80 for lithium battery pack. The new battery case has a 5V USB output for your mobile or ipad charging. It also has an ON/OFF switch. This case is designed for bicycle frame bottle cage posistion.  With the provided fixing plate, you can fix the battery on the bike frame. Some customers complain the discharging connector would be loosen easily; now this connector has been improved.

Hailong 02 case can max put 65pcs 18650 cells, and 21700 cells are not available for Hailong 02 case; if you need case for 21700 cells, Hailong G80 can build the 21700 battery packs, Hailong G80 case are the max cae of Hailong 02, they share the same key lock, the same discharging connector, the same charging connector and the same mounting. Hailong G80 can put 78pcs 18650 cells or 52pcs 21700 cells. The cell holders for 18650 cell and 21700 cell are different.

Battery attachment for downtube battery(HL-2 casing). If you are not sure which model your battery case belongs, you can check on our website which model is HL-2 battery case. 

There are two types of discharging connector: one is with 4pin blade contacts and the other is with 5pin round golden contacts. Please check your own battery discharging connector before placing the battery mounting.

For 4pin connector: we solder the positive and negative power cable according to the marks "+" and "-" on the connector housing, please check your battery body's postive and negative poles before connect the battery to the motor. 

For 5pin connector:  we solder the positive and negative power cable according to the marks "+" and "-" on the connector housing, leave the rest 3 small pins empty, please check your battery body's postive and negative poles before connect the battery to the motor. 

If you have special demand for the discharging connector positive and negative side, please email us after ordering the mounting.

Key set for Hailong downtube HL-02 casing battery.

This key lock is only suitable for downtube Hailong-02 casing battery.

How to replace Hailong key lock, please check the video below:

4/5 pins connector for e-bike lithium ion battery, for rear rack casing, downtube silver fish casing. There may be different connectors for rear rack or filverfish casing battery, please check the dimension of the original connector before ordering.

ebike battery downtube case mounting on bike frame with slim dimension(hailing 1 case).

Discharging port is 4pin, charging port is round 5.5x2.1 or 5.5x2.5DC connector. If you want larger charging current, please choose 2.5DC charging port.

Cell holders and battery mounting foot are included with the case. If you also need the matching BMS/PCM for this casing battery, you can click here for the bms.

Ebike Atlas battery case with 5V USB output for ipad or mobile phone charging. The stardard dischargingn connector is 2pin connector; if you want larger current for the battery, please choose 6pin discharging connector. The mounting base is included with the case.