Amazon.com: Starnovo 1800mAh 3.7V Rechargeable Battery Compatible with Sony Playstation 4 PS4 Dualshock 4 Wireless Controller CUH-ZCT2, CUH-ZCT2U New 2016 Version(with small Connector) : Video Games
How to Replace and Upgrade PS4 Controller Battery - YouTube
How To Change The DualShock 4 Battery - Truegossiper