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
Smatree 1290mAh Replacement battery for GoPro Hero4 (Pack of 2) Bundle with 3-Channel charger and USB Cord for Gopro Hero 4 Camera Camcorder-Smatree