Want the best? Look for the SunPower logo. While many flexible panels may look similar, their performance can vary dramatically. That's why you should always look for the SunPower logo. Only SunPower branded panels are powered by SunPower prime cells, manufactured in SunPower factories with SunPower materials and backed by SunPower's manufacturer warranty. The SunPower E-Flex range of panels are lightweight, flexible powerful and currently include the 50W, 110W 170W panels. Tired of listening to the engine? Want to stay out on the hook longer? To increase production panels can easily be strung together in series or parallel and connected to an MPPT Charge Controller before silently charging your battery bank. Live in the USA? Don't forget to take advantage of the Federal Solar Tax Credit for your entire solar system (if your boat is your first or second home) It's currently a 26% tax credit until Dec 31st 2022 (download IRS Form 5695) Note: Free shipping by a US seller from US stock (includes to AK, HI, PR) Contact us for an International Shipping quote for the 50W. Dimensions : 25.5" (L) x 21.9" (W) x 0.1" (H) (0.8" including junction box) Weight: 2.4lb Rated Voltage (Vmpp): 17.7V Rated Current (Impp): 2.8A Flexible up to 30 degrees 32 High Efficiency (23%) monocrystalline Maxeon Gen II prime solar cells Integral Junction box - IP67 ingress protection with by-pass diode 17.7" long cables (12AWG) PV4-S connectors (MC4 compatible) are plug play 4 x 316 stainless steel grommets for easy installation 5-Year power 2-Year product warranty (no salt water exclusion) Backed by SunPower Individually packaged for shipping. Safety installation guide included