Sunnytech 1pc 3w 9v 333ma Mini Solar Panel Module Solar System Solar Epoxy Cell Charger DIY B043 …

Ideal for small projects: Such as emergency lights, advertisement lamps, traffic lights, household lights, electric fans, solar water pumps, solar street lamps, etc. Features: Material: polysilicon Max. power: 3W Max. voltage: 9V Max. current: 333mA Size: 195*125*2mm/7.68*4.92*0.08in Weight: 80g/0.18Ib Package Content: 1*solar panel Configuration Relationships between solar panel and storage battery       Storage Battery           Solar Panel             1.2V                      2V ~ 2.5V             2.4V                      3.5V ~ 4V             3.6V                      5V ~ 6V               6V                       7.5V ~ 9V             12V                      15V ~ 18V 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.