Shenzhen Keweite Technology Co., Ltd. is a new energy round battery category: binary battery, ternary battery, lithium ion battery, battery cover group cover core column material, successfully used aluminum core (1060) and stainless steel cover plate For 304 or 304L and glass sintered package. Its functions and performance meet the requirements of new energy battery cover packs, and shorten battery charging time, reduce battery self-discharge loss, ensure battery output voltage stability, greatly improve battery life, reduce battery weight, and increase battery capacity. The superior performance characteristics of the group cover were successfully adopted by weapons.