Topak Power Technology Co.,Ltd is one of the leading China 7.4v lithium ion battery manufacturers and suppliers with best China 7.4v lithium ion battery, 7.4v lithium ion polymer battery pack, 7.4v li-ion battery cylindrical pack factory, welcome to wholesale products from us. Application: GPS, Mobile phone, LED Lights, Consumer electrical, Household electrical, Backup Power, Digital Product, Toys, Medical equipments, Personal Care, Military Prodcuts, and other fields... 7.4V Lithium ion Battery Packs Below are the partial model list of our mass-produced, if you need the different model, please contact us. We also provide OEM & ODM service at the same time. http://www.globallibattery.com