Amazon.com : Kastar GOPRO3 Battery (3-Pack) and Charger Kit for GoPro HD HERO3, HERO3+, AHDBT-302 Work with GoPro AHDBT-201, AHDBT-301, AHDBT-302 : Electronics
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3-Channel Battery Charger & 2 Pack Battery For GoPro Hero 9 10 Black ADDBD-001 | eBay
Watson Lithium-Ion Battery Pack for HERO3 & HERO3+ B-2302 B&H