I bought something new yesterday. I bought a little Aputure LED light panel. It's daylight balanced, uses generic Sony batteries or double AA's. It rated at 95 CRI and it was all of $59. I bought it because several of my other devices take the same Sony batteries and now that airlines require batteries to ride in carry-on we are sometimes asked to prove that the batteries are batteries by powering something up. Usually the devices that are Sony battery powered are riding in checked luggage. The LED panel is small enough to fit in my equipment backpack and provided a battery demo for the TSA. When not proving my absolute innocence it can also be useful as a backlight or accent light.
It's this one: