Sunnytech 1.25w 5v 250ma Mini Small Solar Panel Module DIY Polysilicon Solar Epoxy Cell Charger B019

DIY YOUR OWN MODEL----Build your own powered models, solar toys, solar lights, solar displays, charging small DC batteries. It can be used for teaching purpose. Many of our customers come from school, colleague, etc. , BLOCKING DIODE INSTALLED ----A blocking diode installed already in the backside to protect the solar panel from over-charging and current backflow. , HIGH QUALITY & EASY USE---- High quality epoxy resin, unique technology to make the components beautiful and strong, anti-wind and snow, increase the service life of solar panels. Color coded wires with alligator clips make working with it easy and fun. For those of you who want to connect more than one panel together, this panel has two soldered tabs for permanent connections. , EDUCATION---- Solar panels are devices that absorb sunlight and convert solar radiation directly or indirectly into electricity through photoelectric or photochemical effects, it's perfect devices for science project. , CONNECT SOLAR PANELS IN PARALLEL OR IN SERIES---- When the voltage of your solar panel doesn't satisfy your storage battery, you can take two or more same solar panels together in series. Such as, two 5. 5v solar panel connect together in series, so its voltage is 11V. When the voltage of solar panel satisfies your storage battery. In order to speed up the rate of charge, you can take two or more same solar panel together parallel connection.