LiFePO4 Battery, Li-ion Battery, Solar Energy Storage Battery manufacturer / supplier in China, offering High-Performance Custom 18650-2600mAh 2s4p 7.4V 10.4ah Lithium Battery Pack for LED Light, Custom Detachable 18650 Li-ion Battery 7.4V 10.4ah with Custom Shell for Medical Devices/Fitness Equipment/GPS Tracker, Custom Removable 18650-2600mAh Li-ion Battery Pack 2s4p 7.4V 10.4ah for Fitness Equipment and so on.