500w electric bike for sale

Dual Battery Pack Switch Parallel Batteries to Increase Capacity Double Battery Conector

The dual battery pack switch can manage the two battery packs on your bicycle, and support two sets of batteries to simultaneously supply your electric bicycle with intelligent and balanced power.
Maximum output current: 30A or 40A
Voltage: 20V-72V
Connector: XT60
14AWG Silicone Wire
Wire length: 10cm
30A Model Size: 6*4.5*1.8cm
40A Model Size: 7*4.5*1.8cm
Used For: Wire 2 Batteries in Parallel / Double Capacity
the two battery's voltage need to be the same, and the battery's capacity can be different.