Strongpoint:

1. Adopt imitate original design, not influence the operation of Wii controller and other products insert
2. Convenient replacing Wii battery pack makes the controller using more fluent.
3. Repeat charging function can avoid replace the battery frequently
4. It is more convenient with USB pin charge
5. Battery packed into the cover will not increase the weight of the controller makes comfortable feeling when using.
6. Net weight: 61g (contain lines)