Solar charge controllers are essential for ensuring the smooth functioning of a solar panel and its battery. This model features full electronic protection and fully automatic operation with a PWM charge mode (SOC). The unit has large terminals, with considerable distance between each, as well as a digital LED display. Also features temperature compensation provided by the built-in external temperature sensor. This 10A model is suitable for 12V/24V DC. Finally, there are two built-in USB slots, allowing you to charge a wide variety of devices.
This 1mW, 532nm Super Safe Green Laser Pointer is for education, government or other settings where safety is a concern.
Great microscope for viewing both slides and 3D objects such as flowers, bugs, rocks and more. Includes all accessories!
Watch this laser pointer emit a cool purple beam!
Explore the wonders of wind power with this amazing kit!
Do micro-controller projects and program them using your own computer!
Dig deeper, and discover the fascinating crystal structures of minerals and rocks with this great kit!