Custom Shape Size 60×55 mm 0.4 Watt 3 Volt Mini Epoxy Resin Polycrystalline Solar Panel for DIY Toy School education Posted on 2019-02-272019-12-20 by HZF Custom Shape Size 60×55 mm 0.4 Watt 3 Volt Mini Epoxy Resin Polycrystalline Solar Panel for DIY Toy School education