... in R&D, manufacturing and marketing of lithium ion battery, polymer lithium ion battery, portable mobile power charger since established.For ... 2005, integrates R&D, production and sales of lithium ion battery and LiFePO4 battery. Our factory is located in Shenzhen ... forward to cooperating with you in the near future. popular 3.7V rechargeable lithium polymer battery with Seiko PCM and factory price