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.
You don’t think recycling is cool? Get a look at this, we’re sure you’ll change your mind!
A combination of three of our great discovery toys, all in one package!
This caffeine molecule mug makes an excellent gift!
Every kid needs one of these spheres!
Exciting magnet exploration for ages 8 and up!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
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.