How much time they can work without charging?

It depends on the number of factors: model of poi, brightness, color saturation of pictures (white color consumes the most of power). Approximately, short models of poi work 2-3 hours, long ones – 1-1,5 hours. In other words – more than enough for one night of performances. 

Useful videos:
Wireless control option – Demo
Ignis Pixel digital poi CRASH test
How to upload pictures into Ignis Pixel
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