Tianbao batteries are of very good quality. Trinbao battery uses green rare earth alloy, double-layer double-effect patented third electrode, vacuum and paste and other advanced technologies to ensure the battery has excellent performance. The product is high-end, durable, safe and reliable, with up to 600 full charge and full discharge cycles, and a full life High cycle capacity, patented grid structure and curing process, high specific energy, large capacity, strong power, and good product reputation.