Battery charged up quickly, keep in mind it does not come with a charger or cable, you remove the battery and use micro usb, of course I had one from my BlackBerry, ya one of those people who have a cable for everything paired that with a 5V Samsung charger and was ready in a couple hours.
I kept the pointer head on it, more focused I believe and it certainly is doing something. Once close, 10 seconds or so the aiptasia starts to react and shrivel up. I held it on the area for 30 seconds or so and moved to the next one. Clearly it is doing something and the area I covered none of them came back open, maybe they will be tomorrow.
I will say my CBB followed me around and when I was done it was aggressively picking at the area the aiptasia was. I had a couple under SPS and I was able to get a good angle and close enough to hit it.
It's great fun!!!