2Pcs 1680mAh Gopro Hero 4 Battery Replacement Li-ion Rechargeable Battery for GoPro HERO4 GoPro AHDBT-401 Action Camera – Photo Camera Store
Core SWX Battery Eliminator USB with Backdoor DV-GP4-USBC B&H
Battery for GoPro Hero 4 Black Silver 4+ 335-06532-000 AHDBT-401 Go Pro 950mAh
Amazon.com : SOONSUN Side Open Skeleton Housing Case for GoPro Hero 4 Black, Hero 4 Silver, Hero 3+, Hero 3 Cameras with LCD Touch Backdoor and Skeleton BacPac Backdoor for Extended Battery