*Input voltage: DC 5V 500mA
*Output: DC 4.2V 420mA
Attention:This kind of USB charger can't be used to charge 510 batteries or it will Destroy the batteries!
can not charger the 808/901 battery,they are the different thread.
when the battery is charging,it is red indicator light,when the battery is full,the charger light will turn to green color.