Amazon.com : GoPro Rechargeable Battery for HERO4 Black/HERO4 Silver (GoPro Official Accessory) : Electronics
GoPro Hero 2 Akku, € 5,- (1060 Wien) - willhaben
2 x Akku + Dual-Ladegerät für GoPro HERO4 Black + Silver Edition - AHDBT-401 | eBay
Akku passend für GoPro Hero 4 Akku AHDBT-401, BT-401 mit 1160mAh (kein original GoPro Artikel) | Go Pro | Akku für Camcorder | Akkus | Akkushop-Austria
GoPro HERO4 BLACK Battery Life info & comparison test VS 3+ Black edition - YouTube
GoPro HERO 4 Black Test | CHIP
Troubleshooting Tips for when Your GoPro Battery is Draining Even When Switched Off