A:Answer Hey there!
It will run for about a few hours with the volume cranked and the lights on. If you choose to turn the lights off and play it at a reasonable volume it will last a couple days before it needs a charge.
It says 30 hours of life. But that's skeptical.
I got a full day or so of play time with the volume at about 75% and the lights turned off. It depends entirely on volume, bass, EQ settings, environment, and usage.