This document stipulates the terms and definitions, basic requirements, technical requirements, test methods, inspection rules, markings, instructions, packaging, transportation and storage, and quality commitments of handheld lithium battery cleaning guns. This document is applicable to products powered by lithium batteries, the working voltage is not higher than 42 V DC, the rated pressure is less than or equal to 2.5 MPa, the rated flow is less than 50 L/min, the working medium is normal temperature water or the kinematic viscosity is not more than 45 mm2/s, and the A handheld cleaning gun containing a granular, non-corrosive cleaning agent mixture (hereinafter referred to as the cleaning gun).