LiFePO4 Battery, Li-ion Battery, Solar Energy Storage Battery manufacturer / supplier in China, offering Factory Custom 18650/21700/32650 3.7V/7/4V/11.1V/14.8V/18.5V/22.2V/25.9V/29.6V Lithium Battery Pack, Cylindrical Rechargeable 18650 11.1V 4400mAh 5200mAh 6000mAh for Pool Cleaning Robot, Custom 18650 21700 32700 32140 Lithium Battery Pack for Solar Streetlight/Smart Home/IoT&GPS and so on.