... AAA ni-mhbattery, USB 5 v output.Product features:LCD display, capacity analysis, lithium battery and nickel metal ... Mode)1, when the charger plug charger all LCD screen instantly bright, if the battery is not ... lock in 8 seconds for charging current of your choice, if within eight seconds, there is no set, ... seconds, during may through the mode key to select 500 mA and 1000 mA current, the system will ...