GoPro HERO4 BLACK Manuel De L'utilisateur page 85

/ Battery
The battery charges to 80% in approximately one hour and 100% in
approximately two hours when using GoPro's USB-compatible Wall
or Auto Charger.
You can also charge the battery outside the camera using the Dual
Battery Charger (sold separately).
No damage occurs to the camera or battery if used prior to full charge.
Spare batteries and additional charging accessories are available at
gopro.com.
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REMOVING THE BATTERY FROM THE CAMERA
The HERO4 Black battery is designed to have a tight it to maximize
reliability in high-vibration activities.
To Remove the Battery:
1. Open the battery door by placing your thumb in the indentation in
the battery door (on the bottom of the camera) and sliding it to the
let. Allow the door to open.
2. Grasp the battery pull-tab and remove the battery from the camera.
/ Battery
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