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 caffeine molecule mug makes an excellent gift!
This glass Erlenmeyer mug makes an excellent gift!
Build your own 10 inch kaleidoscope with this great kit!
Experience this sphere powered by the sun!
Perform awesome experiments using everyday materials found in any kitchen!
Explore the wonders of wind power with this amazing kit!
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