Amazon.com : PowerTrust 3Pcs AHDBT-401 Battery for Gopro Hero 4 AHDBT401 AHBBP-401 AHDBT 401 Digital Battery and LED 3-Port USB Charger for GoPro Hero4 HERO4 Camera : Electronics
2 Pack Battery Set with Dual Battery Charger for GoPro HERO4 [AHDBT-40 - Sabrent
Buy Dual Charger for GoPro Hero 4 at the Sickboards Longboard Shop
Amazon.com: Suptig Battery (2 Pack) and Daul Charger for Gopro HERO4 Black Gopro HERO4 Silver and Gopro AHDBT-401 : 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 Gopro Accessory