Don't just grab the biggest unit. Calculate your total watts so you don't...

https://alpha-wiki.win/index.php/Where_Should_I_Place_a_Generator_So_It_Is_Safe_and_Stable%3F

Don't just grab the biggest unit. Calculate your total watts so you don't overload it, choose fuel that matches your runtime needs, and mind the noise if you’re in a quiet street. Always check for an RCD safety switch to prevent shocks