Features Main Function: Battery Parallel Charging Board, Supporting The Use of Multiple Sets of Batteries Together, Which Is Efficient And Practical. Easy Connection: The Parallel Charging Board Has Standard Plug And Wiring Terminals to Ensure Stable Connection And High Efficiency. Excellent Pcb: The Battery Adapter Board Adopts Excellent Pcb Components, Which Has Stable Performance And Easy Maintenance Multiple Usages: This Battery Charging Board Is Suitable for Diy Solar Panel Charging, Automotive Charging System, Trip Recorder Power Supply, Etc. Applicable Scene: This Charging Board Has A Compact Size, Widely Used in The Mechanical, Automotive, Construction, Electronics Industry, Specification: Item Type: Charging Board Material: PCB Package List: 1 x Charging Board Package List 1 x Charging Board