... ,short circuit protection, over current protection, zero volts activation, and support AA/AAA ni-mhbattery, ... specific parameters:The dc input voltage: 12 v / 1.5 ALithium battery charging current: 2 * (4 ... ) * 31 mm (high)Charge Mode (charging Mode)1, when the charger plug charger all LCD screen instantly ... End (rechargeable).Discharge Mode (capacity test Mode)1, the Discharge Mode is the battery first, ...