2000mAh Solar Battery Portable Charger For Cell Phone MP4 2000mAh Solar Battery Portable Charger For Cell Phone MP4 Features * Charge cell phones, , , mp3/4, and other 5V personal ... PCBA: protection for overcharge, over-discharge, overload, and short circuit protection.Mobile phone tips: Mini USB, mobile phone tip, Ericcsson mobile phone tip, Samsung ...