Lithium-Ion Battery, UPS Power, Lithium Battery Charger manufacturer / supplier in China, offering Rich Factory 3.7V 4000mAh Polymer Lithium Ion Battery for Metal Detector Medical Equipment Electronic Devices Custom Pack, Rich Portable 3.7V 450mAh 14280 Li Ion Battery Pack Custom for Medical Monitor LED Light Bluetooth Speaker CE Certified, Rich Factory 7.2V 9.6V 12V 14.4V 18V DC 2A to 6A Fast Charger for NiMH NiCd Battery Powered Brushless Motor Tools and so on.