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.
A beautiful desk or bookshelf accessory for the reading fanatic in your family!
A combination of three of our great discovery toys, all in one package!
Learn how solar cells transform light into electrical energy with this great kit!
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
This classic desk toy will keep you amused!
Use this cool Sea Monkeys zooquarium to teach your child how to take care of a pet!
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.