Amazon.com : Wasabi Power Battery (2-Pack) and Charger for GoPro HD HERO2, GoPro Original HD HERO (2010 model) and GoPro AHDBT-001, AHDBT-002 : Camcorder Batteries : Electronics
Best Buy: GoPro Dual Battery Charger + Battery (HERO10 Black/HERO9 Black) Black ADDBD-001
Battery + Charger For Gopro Hd Hero, Hero2, Hero 2 Motorsports Outdoor Edition Waterproof Sport Camera And Ahdbt-001, Ahdbt-002 - Digital Batteries - AliExpress
GoPro Dual Battery Charger Works with Hero 5, 6, 7 & 8 [Unboxing and Review] - YouTube
Artman Hero 10/9 Battery 3-Pack and 3-Channel Hero 10 Battery Charger for GoPro Hero 9/10 Black,Compatible with GoPro Hero 9 Battery and Charger - Walmart.com
Amazon.com: TELESIN 2-Pack Batteries and Allin Box USB Charger for GoPro Hero 10 Hero 9 Black, with USB 3.0 SD Card Reader Function Waterproof Storage Carry Case Battery Charger Kit for Go