GoPro Hero 4 Black and Hero 4 Silver Review | Gadgets 360
GoPro Rechargeable Battery (for HERO4)
Best Buy: Digipower Multipurpose Battery Charger for GoPro Hero4 Black/ Silver & GoPro Hero3+ & Hero Battery Charger Black RF-100GP34
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
Amazon.com : GoPro Rechargeable Battery for HERO4 Black/HERO4 Silver (GoPro Official Accessory) : Electronics
GoPro Hero4 Silver Review: King of the Action Cam Mountain | Digital Trends