Amazon.com : GoPro Rechargeable Battery for HERO4 Black/HERO4 Silver (GoPro Official Accessory) : Electronics
Smatree Battery (3 Pack) and 3-Channel Charger Compatible for Gopro Hero 4 (NOT for Hero 5)
Core SWX Battery Eliminator USB for GoPro HERO4 (10 ft)
Duracell Replacement Battery for GoPro Hero 4 | Skroutz.gr
GoPro HERO 4 Silver - € 130,00 - Vendora
Strobepro GoPro Hero 4 Battery - Strobepro Studio Lighting
Amazon.com: Batmax 3 Packs 1680mAh AHDBT-401 Battery + LED Dual USB Charger with Type C Port for GoPro Hero 4 Black/Silver Action Cameras : Electronics