The cell box is fit to battery - you can freely change the battery.
Insert the controller, it can charge the controller directly or independently charge the battery
supply by console's power, you need not worry about no power with Wii console is off.
Can
adjust charge current according to battery property and environmental
temperature. Macro-current can up to 1000MA. It can function fast
charging
Can protect from over voltage, over current, over charge, over discharge and short circuit.
It
can prevent the battery from bursting by stop charging while the
temperature of the battery is over to set value (55 degrees
centigrade).
It can protect the battery from bursting by distinguish frozen battery from rechargeable batteries.
Charging by constant voltage, pulse width modulation and purling method.
It
can be used to place the controller, charge the controller when it is
need to be charged, but stop charging in the case of the controller is
full.
With a built-in chronograph, it can stop charging when it works
over three hours. It is impossible to continuously charging the battery
especially when the battery can not be charged
Input DC 12V.
Output: DC 12V / 3.15A
Draw power by plugging into the cigarette lighter socket