Portable power pack & hand warmer
4400 mAh rechargeable battery for 6 hours of heat
Ergonomic design fits easily in your pocket
Aluminum housing with protective silicone caps
Includes USB charging cable & soft carry pouch
Stay warm on the trail and keep your portable electronic devices fully charged with the Elements ThermoCharge Hand Warmer/Charger from Celestron. ThermoCharge heats up quickly and reaches a maximum of 113°F (45°C). The 4400 mAh rechargeable lithium battery provides up to an impressive six hours of continuous heat on a full charge. ThermoCharge delivers a full charge to most smart phones, MP3 players, cameras, and many other USB-powered devices. Unlike single-use chemical hand warmers, this device is safe, scent-free, and rechargeable. Just plug it into any USB charging port. Rugged aluminum housing and protective silicone caps make ThermoCharge perfect for your next cold-weather excursion. Includes USB charging cable and soft carry pouch. Input voltage: 5V-900 mA. Output voltage: 5V-1A. Weight: 5.22 oz. Dimensions: 1.76" x 3.72" x .9".