A blister pack of 9 CR2032 Lithium Cell Batteries, usually used for remote controls, but, more frequently, computer motherboards. Each battery is 3V.
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.