Amazon.com : PowerTrust 4-Pack AHDBT-401 AHDBT401 Battery for Gopro Hero 4 AHBBP-401 Digital Battery and AHDBT 401 Dual USB Charger for GoPro Hero4 HERO4 Camera : Electronics
Original For Gopro Hero 4 Dual Battery CHARGER AHBBP-401 + 2 ORIGINAL Battery | eBay