Hahnel Charger (Duopal) + Powerbank + GP401 Battery Kit
Fully compatible with original Hero4 batteries. Charge TWO Hero4 batteries simultaneously. HIGH POWER 5200mAh internal power bank provides emergency.
Batteries fully charged in just 2.5 hours. Up to 5 hours of recording time. Mini USB to USB cable included. Any USB Adapter or power source can be used with the DuoPal Extra (not included). Includes hahnel HL-GP401 battery.