Use a spare battery to continue recording the action. Get up to an additional 3 hrs record time. Rechargeable using a USB cable with your Contour Helmet Cameras. (Compatible with GPS, Contour + & Contour +2)
The Contour battery is Li-ion, so it's not so affected as other types of battery by cold temps or battery memory effect.
This battery will take around 3 hours to fully recharge from flat.
This is an OEM NK70 Battery rated at 1100mAh