Shenzhen Wintop Electronics Co., Ltd Founded in 2003, WIN-TOP is a global portable power manufacturer and external power solutions supplier. Committed to the most innovative technology, WINTOP offers portable, rechargeable, high capacity battery packs, Whether its a digital camera, video camcorder, notebook PC, portable DVD player, MP3 player, or other digital devices, our battery pack will power it up anywhere, anytime, regardless of voltage, current, brand, or model.