Dual battery converter with wide DC input 24V -72V. 

Output: DC 24V -72V, max 30A or 40A current. 

Input with XT60 male connector; output with XT60 female connector. 

If you have two batteries(24V-72V),  you want to use the two batteries with one ebike, then you can connect the two batteries with the dual battery converter.  

When you are going to charge the battery, please switch one of the batteries first before charging because the dual battery converter only protect the two batteries discharging; it has no protection for simultaneous charging.

Ebike downtube battery fixing base/mounting foot. This battery mounting is only suitable for Hailong-1 casing battery.

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.

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.

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.

Lithium bottle battery case, the length for the aluminum part is 217mm.

 Nickel strips and Cell holders are included with the case.

Key lock for e bike bottle casing battery or Dengfu carbon frame battery,  we can also provide key lock for the new style downtube battery, please email us if you need it.

Key lock for e-bike rear rack battery. We have two types key locks for rear rack battery: Internal key lock is installed inside the battery case which is also used for our rear rack battery packs; External key lock is installed outside of the battery case(fastened on the battery mounting plate), please check carefully before ordering.

If are looking for External rack key lock including rear rack battery mounting, we can also provide, please view details in the picture and order.