Input: DC 5V 500mA;
Output: DC 4.2V;420 mA
Input: DC 5V 1200mA
Output: DC 4.2V 1000mA
Purchase suggestion:If the capacity of the battery is less than 2000mAh,we suggest customers to choose specification 1 charger;
If the capacity of the battery is equal or greater than 2000mAh,we suggest customers to choose specification 2 charger.
Notice:If customers choose specification 2 charger,when customers want to plug our USB charger to wall adaptor to charge the battery,
in order to protect the adaptor and get better charging experience,please make sure the output current of the adaptor is greater than 1000mA.