Amazon.com : GoPro Rechargeable Battery for HERO4 Black/HERO4 Silver (GoPro Official Accessory) : Electronics
Amazon.com: Wasabi Power HERO4 Battery (x2) and USB Triple Charger for GoPro AHDBT-401, Hero 4 : Electronics
Newmowa 1200mAh Replacement AHDBT-401 Battery (3-Pack) and Rapid 3-Channel Charger for GoPro AHDBT-401, AHBBP-401 and GoPro Hero 4 Camera
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Amazon.com : Wasabi Power Battery for GoPro HERO4 and GoPro AHDBT-401 (4-Pack) : Electronics
Amazon.com : Hero 4 Battery, Pickle Power AHDBT-401 Battery and LED Display Charger for Gopro Hero 4 HERO4 Black HERO4 Silver and Gopro AHDBT-401 : Electronics
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