Boasts 50 watt-hours of Power Pack storage capacity!

Connect up to three Sherpa power packs for added storage. Conveniently powers all your USB, AC and DC devices on-the-go. Compatible with the Sherpa UI for 100 watt AC output and LiFe batteries that are rated for 2,000-3,000 cycles. Equal to 30,000 (50m) or 70,000 (120m) AA alkaline batteries. LCD monitor keeps track of power storage in increments of 20%. Also includes an integrated controller which protects the internal battery from burnout and power spikes. Tested and certified by FCC and CE.

Order yours from Brookstone today!