Stay warm on the trail and keep your portable electronic devices fully charged with the ThermoCharge power pack and hand warmer. ThermoCharge 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.
ThermoCharge delivers a full charge most smart phones, MP3 players, cameras and many other USB-powered devices.
Unlike single-use chemical hand warmers, ThermoCharge is safe, scent-free and rechargeable. Just plug it into any USB charging port. A rugged aluminum housing and protective silicone caps make ThermoCharge perfect for your next cold-weather excursion.