This is the latest version of ParaBoard with self-resettable fuse protection. The PCB board is made of three ounce copper and the main circuit supports up to 40A current. All the balance ports are protected by resettable fuses (also known as polyfuse).
Multiple safe ParaBoards (V3) can be connected directly in order to charge more than four batteries at a time.
Barrel Connector leads to charger.