Features 1、EFFICIENT POWER: Electric bike dual batteries parallel module can increase the current, battery capacity, discharge at the same time, provide lasting power for your electric bike. 2、POWER SUPPLY MODE:The double battery parallel module can manage two battery packs on your bike, support two battery packs to supply power at the same time, also can be powered by a battery alone. 3、XT30U CONNECTOR INTERFACE: Dual battery parallel module adapter adopts XT30u interface, the male connector is the input to connect 2 batteries, the female connector is the output to connect the controller. 4、VOLTAGE AND CURRENT: Electric bike parallel module adapter's input DC 12V‑100V, output voltage 12V‑100V, output current up to 5A, suitable for 12V‑100V battery and controller. 5、ALUMINUM ALLOY MATERIAL: Dual battery parallel module adapter is made of premium ABS and metal material, lasting, light weight, excellent heat dissipation and long service life. Item Type: Dual Battery Parallel Module Adapter Material: ABS, Metal Input: DC 12V-100V Output Voltage: 12V-100V Output Current: Maximum 5A Connector Interface Specification: XT30U Package List 1 x Dual Battery Parallel Module Adapter