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DualShock 4 (2nd Gen) battery upgrade : r/PS4
Amazon.com: Pickle Power 2000mAh PS4 PS4Pro Battery Replacement for Sony Playstation 4 Dualshock 4 V1 V2 Controller CUH-ZCT2 CUH-ZCT2E CUH-ZCT1E CUH-ZCT1U : Video Games
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How to Replace the Battery in a DualShock 4 Controller | TechSpot
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