... ,effectively provent over charge ,over discharge ,over current and short circuit,roundly ensure safe use.4.CE,FCC,RoHS certificate,reliably ... .Use the original adapter, USB cable and mini USB connector, to connect with the charger. It would begin to charge.How to ... ,effectively provent over charge ,over discharge ,over current and short circuit,roundly ensure safe use.4.CE,FCC,RoHS certificate,reliably ...