I tried using an extended battery "L40G4" that makes GoPro's battery last longer than three times - GIGAZINE
Amazon.com : Wasabi Power Extended Battery for GoPro HERO : Electronics
EcstaPro Extended Battery for GoPro HERO5 Session - Sabrent
Amazon.com : Wasabi Power Extended Battery for GoPro HERO : Electronics
EcstaPro Extended Battery for GoPro HERO5 Session - Sabrent
Extended Battery Pack 4000mAh (Limefuel Epic L40GH) for GoPro HERO, External Mini USB Includes Extended Backdoor Housing up to 40 Meters, for entry-level camera only NOT COMPATIBLE with Hero 4, Hero 3/3+Patent
Brunton ALLDAY Extended Battery Back for GoPro HERO3+
2pcs 1600mah Gopro Hero 4 Battery Replacement Part For Gopro Hero4 Gopro Ahdbt-401 Action Camera Battery Ahdbt-401 Akku Battery - Digital Batteries - AliExpress
Cameron Sino 350mah Battery Yd362937p For Gopro Armte-001, Hero 3, Hero 3+, Hero 4, Hero3, Hero4, Wi-fi Remote, Armte-002 - Digital Batteries - AliExpress
I tried using an extended battery "L40G4" that makes GoPro's battery last longer than three times - GIGAZINE
GoPro Hero 4 Extended Battery Pack 4000mAh (Limefuel Epic L40G4) Includes 2 Extended Backdoor Housings up to 40 and 60 Meters | Amazon price tracker / tracking, Amazon price history charts, Amazon
Amazon.com : Wasabi Power Extended Battery for GoPro HERO : Electronics
Outdoor Camera Enclosure | GoPro Time Lapse Gear | CamDo - CamDo Solutions
Amazon.com : Wasabi Power Extended Battery for GoPro HERO : Electronics
EcstaPro Extended Battery for GoPro HERO5 Session - Sabrent