Solar charge controllers are essential for ensuring the smooth functioning of a solar panel and its battery. This 3A model will keep your battery charged at a constant of 11.1V. Also features over-charge, over-discharge, overload, and short-circuit protection. Designed for lithium batteries.
Working model representing the sun, earth, and moon and their relationships.
Check out this amazing renewable energy science kit featuring the wonders of hydroelectric power!
Great tarantula specimen for the science classroom!
A combination of three of our great discovery toys, all in one package!
This is a great clean heat demonstration model for the classroom setting!
Make the coolest 3D pin art on your desk with this amazing desk toy.
At xUmp.com you will find a large selection of scientific products carefully curated by real scientists and educators. We sell everything from educational toys, teacher supplies for science classroom, lab equipment, science toys, science fair supplies, classroom equipment, chemistry glassware, chemistry lab equipment, physics demos, electronics supplies, robots, science kits to geeky science gifts.