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.
This kit focuses on teaching children about electricity and how electronic devices work!
Build a tumbling robot that gets up right after it has fallen down, without any outside help!
The Duncan Phoenix Diabolo features a stable, hard rubber shell that retains its shape.
This simple but amusing magnetic toy will keep you busy for hours!
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Get one of the craziest and coolest kaleidoscopes around!