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 20A model is suitable for charging 12V/24V DC Lithium batteries. Finally, there are two built-in USB slots, allowing you to charge a wide variety of devices.
Discover how solar cells make electricity with this awesome kit!
See the solar system in action!
A combination of three of our great discovery toys, all in one package!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Exciting magnet exploration for ages 8 and up!
This smaller transportable Van de Graaff Generator will easily fit in any classroom!
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