inputs.text: pretty good - pretty simple piece plastic simple electronics basically connects usb charger cell phone battery handles least 4 different battery sizes note not come usb charger work either mini micro usb charger red led indicating battery charging fully charged led turns green also bought spare battery cell phone battery gets real low swap freshly charged batter start charging old battery pretty quick easy shipped china took weeks hadnt arrived time indicated contacted sellers indicated shipped showed days later postmark day said shipped