Product Description: 1. Designed for the PS4 controllers 2. Power thru the USB port from either the PS4 or PC, but PC only can charge for one controller 3. Two controllers can be charged simultaneously 4. Connecting the cable will also allow charging while still being used. 5. 5V output with Max 400mA each port. 6. Full charge can be completed within 2 hours when charging one single controller 7. Full charge to two controllers simultaneously within 4 hours 8. The battery has a self-protective effect only when the battery falls below a certain value, then will start charging. For example, more than 70% power, will not be charged; If only 20% capacity, the controllers will be charged until they are fully charged. Specification Input Voltage: DC5V Output Voltage: DC5V Output Current: 2 x 400mAh Product Dimensions: 180 x 140 x 156 mm Product Weight: 138g Charging Cable Length: 80cm Package included: 1*Dual Controller Charger;1*USB Charging Cable.(No Including PS4 Controller)