GoPro HERO4, AHDBT-401 Battery (2-Pack) and Triple Charger by Wasabi P – Wasabi Power
GoPro Rechargeable Battery (for HERO4)
Battery for GoPro Hero 4 Black Silver 4+ 335-06532-000 AHDBT-401 Go Pro 950mAh
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