Venom Officially Licensed Rechargeable Battery Pack for Sony Playstation 4 - Power Bank for PS4 Controller / Gamepad - Black Rechargeable Battery Pack / Power Bank / External Battery Sleek, contemporary design fits securely to the Dualshock 4 wireless controller Fully recharges the Dualshock 4 wireless controller for up to 20 hours of gameplay Charge via USB ports on the PS4 system Powered by USB ( Charging cable supplied)