GoPro GoPro HERO4 Black Dual Battery, Charger, and Mount Kit
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
GoPro HERO4, AHDBT-401 Battery (2-Pack) and Triple Charger by Wasabi P – Wasabi Power
GoPro Hero4 vs. GoPro Hero3+
Sport Camera GoPro Hero 4 - Black - a + 40 PCS Accessory + Waterproof Case + 8G SD Card + USB Charger + Battery + Adhesive Mount | Back Market
Amazon.com : GoPro Rechargeable Battery for HERO4 Black/HERO4 Silver (GoPro Official Accessory) : Electronics