This 3 in 1 emergency charger for NDS Lite is an external power charger. The power is provided by 4 x AAA batteries. It would serve as a power supply system for the game console during game competitions.

Besides, this has an "on-off switch" for measuring power 1 while LED lamp and 5 red LED lamps. When it is switched on, the whitle LED lamp will light up and it can be used as a mini-torch. Athe same time the red LED lamps will light up depends on the power of the batteries. The more number of LED light up, higher the power of the batteries It's function as measuring the power of the battries