Whether you're sprinting through the airport to make your connecting flight or relaxing on the train during your daily commute, Brunton's small, sleek Metal 4400 charger will keep your phone or mp3 player going for hours.
High-grade Lithium-ION cells charge faster and last longer
Charge the Metal 4400 via AC outlet, USB, or solar panel and take the power with you wherever you go to recharge your phone, mp3 player, camera, or GPS
Fully charged Metal 4400 provides up to 4 full smartphone charges
No memory and minimal discharge; lasts for 1,000 cycles at 80% capacity
Charge times: USB, 4 hours; AC/USB, 4 hours; solar (using Brunton Solaris 4), 5-6 hours
4400mAh Lithium polymer battery; 2.1 Amp and 1 Amp output