CAMTOA 18V 2.5W Mini Polycrystalline Mini Solar Panel Module Solar System Solar Epoxy Charger DIY for Home Lighting 18V 2.5W Solar Panel Module, Size: 19.4x12x0.3cm High conversion rate, high efficiency output Excellent weak light effect Suitable for charging cellphone and small DC batteries Build your DIY powered models, solar display , solar light and solar toys, etc