This document specifies the terms and definitions, types and basic parameters, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitment of lithium battery electric wrenches. This document applies to electric impact wrenches powered by lithium-ion batteries (hereinafter referred to as "lithium battery wrenches") under general environmental conditions. This document does not apply to fixed-torque and fixed-torque fixed-angle electric wrenches, multi-head combination electric wrenches, and other special electric wrenches for assembling and disassembling special threaded parts (such as ratchet-type electric wrenches, shear-type electric wrenches).