One of the biggest advantages of the 12V7Ah lead-acid batteriesfor agricultural sprayers is simple maintenance and high fault tolerance, which fits farmers’ daily usage habits. Adopting a maintenance-free design, it requires no electrolyte replenishment and tedious maintenance work. It can effectively extend the battery life by charging timely after daily operations and avoiding power-deficient storage. Compatible with conventional household chargers, it supports convenient charging without special equipment. It has good low-temperature adaptability and avoids power failure during field operations in spring, autumn and early winter. With standard use, it can work stably for 1-2 years, providing continuous stable power for sprayers as a reliable and durable agricultural power accessory.