Li-Polymer-battery - 1240mAh (3.8V) - for video, camera, camcorder GoPro Hero 4 Black - Electropapa
Amazon.com : GoPro Rechargeable Battery for HERO4 Black/HERO4 Silver (GoPro Official Accessory) : Electronics
DuraPro 1680mAH AHDBT 401 for Gopro 4 Digital Battery + LED 3 Port Charger for GoPro Hero 4 HD Sport Action Camera|Digital Batteries| - AliExpress
4pcs 1680mah Ahdbt-401 Battery Akku For Gopro Hero 4 Batteries Go Pro Hero4 Bateria Ahdbt 401 Action Camera Accessories - Digital Batteries - AliExpress
Suptig Akku und Daul Ladegerät für GoPro HERO4 Black/GoPro HERO4 Silver und GoPro AHDBT-401: Amazon.de: Elektronik & Foto
2 Pack Battery Set with Dual Battery Charger for GoPro HERO4 [AHDBT-40 - Sabrent