Whether youre an international executive or an ultra marathoner; this lightweight power solution is the perfect embodiment of minimalist mobility; offering nomads the ability to truly break the chains that bind them to their workstations. Compatible with Gomadics revolutionary TipExchange Technology that enables utility with hundreds of mobile devices; the Cavalry Pack is a necessary component to the toolbox of any truly prepared professional. In addition; this product; like all Gomadic products; is backed by a lifetime warranty.