Wasabi Power Battery for GoPro HERO3, HERO3+ (1280mAh, 2-Pack) - Walmart.com
Amazon.com: Battery Replacement for Go Pro Hero 3 Hero 3 Hero 4 HERO3 HERO4 ARMTE-001 Wi-Fi Remote YD362937P : Health & Household
5V Battery Eliminator for GoPro® HERO® 3 and 3+ - Group B Distribution Inc
Amazon.com : Kastar GOPRO3 Battery (3-Pack) and Charger Kit for GoPro HD HERO3, HERO3+, AHDBT-302 Work with GoPro AHDBT-201, AHDBT-301, AHDBT-302 : Electronics