Compared with lithium batteries, the 12V7Ah lead-acid batteries has become the mainstream power choice for farmers’ sprayers due to its ultra-high cost performance. It features low manufacturing and procurement costs with a low replacement threshold, greatly reducing the use cost of agricultural plant protection equipment. With a sturdy structure, it is shock and drop resistant, adaptable to complex and bumpy field working environments and durable enough for daily agricultural use. Simple to operate and maintenance-free with only regular charging required, it suits various rural usage scenarios. Durable, affordable and user-friendly, it is an essential plant protection accessory for family farmers and small planting bases.