Designed with the never-slow-down, everyday user in mind, The Brunton’s Heavy Metal 5500 Power Pack has the sleek, urban aesthetics of the Metal™ 4400, but with greater capacity for even more on-the-go energy. Robust, lightweight and always there when you need it, the Heavy Metal™ 5500 is perfect for the truly power hungry. Never leave home without it and stay connected no matter the case.
Lithium polymer energy – High-grade Lithium polymer cells charge faster and last longer; no memory and minimal discharge; 1000 cycles at 80% capacity
Charge Time – USB - 6 hours, ac/usb - 6 hours, Solaris® 4 USB - 7 to 8 hours
Charging Capacity- 5x smart phone charges