I love that it's easily small enough to fit into a flashlight bulb base, which would also make it feasible as a replacement for an emergency flashlight. You mig

I love that it's easily small enough to fit into a flashlight bulb base, which would also make it feasible as a replacement for an emergency flashlight. You might not get a lot of light, but you'd almost always get some. Curious now whether some of the little garden path solar cell lights use these to get maximum output from 4-5 square inches of cheap solar cell and a small nicad battery.