Tontec 1000mAh PS4 Controller Battery Replacement Built-in Rechargeable Power Bank Pack Adapter Charger Charging Station for DualShock 4 Controllers PlayStation 4 Gamepad Large Power Capacity & Quick Charging Speed:It's an amazing power supply of 1000 mah power bank and charges at full speed which leads to dramatic time saving for a game addict. Rechargeable Built-in Battery:It's a life saver for PS4 gamepad.Just plug it in and the gamepad can be used while charging itself.No need for waiting hours. Durable & Fit Well: It locks securely to stay exactly balanced with gamepad without moving around when playing games. Ergonomic Design: It is appealing on the outside but effective on the inside that blends in with the appeal of PS4 controller. Easy to Use: It is easy to be attached and detached.