“The Pro is a really handy little board for building projects that can charge in-situ without having to unplug/replug batteries (see mine on the Tufty 2040 page). Note the other review commenting about the charge rate limit of having the device powered at the same time, mind.
One slight irritation is the bright white power LED isn't possible to disable, short of desoldering it, AFAICT. Being able to bypass the power button to "always on" would also be helpful when the end device has its own power control---but again would need this LED not glowing the whole time trickling the battery down.”
