Shenzhen Sunwind Energy Tech Co., LTD is one of the professional battery manufacturer in China with over 10 years experience, which commits to develop, produce and sell all kinds of lithium battery. Main products used on POS Terminal, Barcode Scanner, Medical Equipment, Printer, BT Speaker, Game Player , Electronic Boat, RV, Energy Storage System etc. OEM&ODM are welcome, so that we can provide our partners with professional and efficient one-stop solution service. Over the pass few years of production management and exploration. We have a professional quality control team and a group of high-quality technical and management personnel. Meanwhile, established our own brand - “SUNWIND”&”LIANGMI”! Quality is our soul, all of our battery production meet the standard of ISO9001:2015 quality systems. And with complete certifications, such as: CE,ROHS,FCC,PSE,UN38.3,MSDS etc.