Suntactics provides true performance. Over 8 years experience developing solar chargers. Made, developed and designed in the USA. Please support American made.;Patent Pending Auto-RetryTM technology for finicky devices during power interuptions like clouds and other obstacles that may temporaily block the sunlight.;Extremely durable, anti reflective, UV proof, thin film solar Flouropolymer ETFE specifically designed for 20 year life solar panels, high temperature laminated for major durability, Water proof to 40 feet;High efficiency solar cells configured correctly for light-to-voltage conversion and increased charging speed. High compression substrate prevents failure. 1.1 amps (>5watts @ 5volts), 6 x 6 closed, 6 x 11 open, ~7oz;Includes the Suntactics S5, travel pouch, User Manual and Quick start Guide, 2-year warranty, w/ 5 year option, excellent customer support. Look up our website.