GB/T 22199.2-2017

This part of GB/T 22199 specifies the model numbering, product varieties, product external structure, and specifications of valve-regulated lead-acid batteries for electric assist bicycles. This part applies to valve-regulated lead-acid batteries (hereinafter referred to as batteries) and battery packs with a capacity of 28 Ah or less, used in electric bicycles, electric scooters, electric unicycles, electric wheelchairs, and other vehicles that mainly use batteries as a power source. The sulfuric acid electrolyte in the batteries is non-flowing, adsorbed in the microporous structure between the electrodes or in the form of a colloid. This part does not apply to lead-acid batteries and battery packs used for starting, electric road vehicles, traction, and other purposes.