The Vevor 12V 40A lithium battery charger is designed for 12V 12.8V LiFePO4 deep-cycle batteries used in RVs, boats, golf carts, and solar systems. It delivers 14.6V DC output with a 40A charging current to provide fast, efficient charging. The smart 4-stage charging curve helps protect the battery during the charging process, while the 0V activation function can revive low-voltage batteries in protection mode. Built-in protections for overheating, reverse polarity, short circuit, and overvoltage support safe operation. An Anderson connector with M8 terminal adapter cable is included for convenient plug-and-play setup.