SunPower - Semi Flexible Solar Panel 50WSunPowers flexible panels are constructed with top grade, lightweight polymer materials, allowing for easy transport, installation and panel flexing up to 30 degrees. SunPowers panels deliver the highest power output and the highest charging capacity in their product class. Sunpower solar power equipment is designed to last longer in solar power systems with a life span of 40 years, which is much greater than conventional solar panels in the market.