The 12V 20Ah lead-acid batteries has a moderate capacity, balancing endurance and volume, and is the core power source for small electric equipment, widely used in electric bicycles, electric scooters, small electric tools, etc. For ordinary electric bicycles, it can provide a cruising range of 40-50 kilometers, meeting the needs of daily commuting, grocery shopping and other short-distance travel, and can be used for 2-3 days after one charge. At the same time, it is also suitable for agricultural tools such as electric sprayers and small water pumps, providing stable power for farmers' field operations without frequent charging. This capacity battery has many charge-discharge cycles and good low-temperature resistance, and can maintain stable power supply even in winter, suitable for short-distance travel in urban and rural areas and small-scale production operations, with outstanding cost performance.