This is the Polar Pro Power Vault Battery Powered Go Pro Charging Travel Features: Built in battery charger for GoPro Hero3/3+ and Hero4 batteries Additional USB charge port for charging...
Warning - California Prop 65: Some products on this site can expose you to chemicals including Chloroprene, which is known to the state of California to cause cancer and birth defects or reproductive harm. For more information, go to www.P65Warnings.ca.gov.
