Stay warm on the trail and keep your portable electronic devices fully charged with the National Park Foundation Rechargeable Power Pack & Hand Warmer. This 2-in-1 device heats up quickly and reaches a maximum of 113 degrees Fahrenheit (45 degrees Celsius). The 4400 mAh rechargeable lithium battery provides up to an impressive 6 hours of continuous heat on a full charge and will fully charge most smartphones, MP3 players, and many other USB-charged devices.

Unlike chemical hand warmers, the National Park Foundation Rechargeable Power Pack & Hand Warmer can be recharged multiple times. Just plug it into the USB port on your PC or an AC adapter with USB port. A rugged aluminum housing and protective silicone caps make the National Park Foundation Rechargeable Power Pack & Hand Warmer perfect for your next cold-weather excursion.

Your purchase of the National Park Foundation Rechargeable Power Pack & Hand Warmer supports the National Park Foundation in its mission to preserve America’s National Parks.

Includes a FREE digital download of the National Parks Owner’s Guide!