Welldone, founded in 1977, is a professional battery packing designer & manufacturer of mobile phone accessories and components such as batteries, Bluetooth Dongles, leather cases, battery packs, battery chargers, plugin chargers, OEM & ODM, etc. We have profoundly accumulated more than 13 years of single and multi cells battery pack designing and manufacturing experience. Our design and products OEM for our customers have been widely applied to their 3C products, like notebook computers, UMPC, MID, smart/cell phones, PDA, PND, etc. We also design high rate battery modules for different type of power tools, equipments and RC toys. As a pioneer of energy solution provider, a tremendous hard time and effort have passed. We see to supply the better solutions as our responsibility.