... USB 2.0 port when you use pc to charge battery charger.)2. When charging, LED 1,2 ... 8 different phone adapters, 1 USB lineCaution:1. When charging ,please use original charger, otherwise, battery ... charger may be damaged.2. When charge other digital product, please use original transfer ... for once at first time use battery charger in order to active battery cell.4. Don’t collision, ...