要延長 GoPro 的使用時間，就得從電池著手。Limefuel 推出了募資計畫，成功生產了 GoPro 專用的高容量電池 - EPIC GoPro

http://shop.limefuel.com/epic-gopro/

http://shop.limefuel.com/products/gopro-hero-4-extended-battery-pack-4000mah-epic-l40g4-hero-3-compatible.html

電池安裝後必須另外買個防水40m的專用外殼

http://shop.limefuel.com/40m-replacement-standard-back-housing-for-limefuel-epic-extended-battery-l55g3-l40g4-l40gh-front-housing-not-included/