1. It can improve the capability of the console effectively and reduce the power wasting. 2. Increase the colorful appearance of the console; 3. Reducing heat and charging for the cotrollers 4. The cell box can freely change the battery, 5. with a build in chronograph for energy saving. , it stops charging automatically over 5 hours. 6. protect from over voltage,over current, over charge, discharge and short circuit.