Newpowa 20W Monocrystalline 20 Watts 12v Solar Panel Leave a reply Newpowa 20w Watt 12v Solar Panel + PWM 10a 12v Smart Charging Controller Regulat... Price: $47.18 (As of: 2020/10/08 9:28 pm - Details×Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.) (7 customer reviews) 1 new from $47.180 used