Hahnel Duopal Extra Kit For Hero4 Accu-1FCDA625-032D-40F0-949D-851872E8763B

* Kit includes original HL-GP401 battery * Fully compatible with original Hero 4 batteries * Charge TWO Hero 4 batteries simultaneously * Internal power bank provies emergency charging on the go * Batteries fully charged in 2.5 hours * Up to 5 hours of recording time * Mini USB to USB cable included...