Maybe you just need extension cords? 
Nah, I can already see you with 2 crossed bandoleers.
Is it partly cloudy, or partly sunny?
Ok, 1/2 hour runtime with less than 20% loss in that half hour, at 2000 lumens (MT-G2). There's a guideline.
Oh yes! That ought to be fun! We wonāt even need flashlights. We will just glow in the darkā¦
For a little while...