@carlsbad2 Here's a review of the charger, https://www.enjoythemusic.com/magazine/equipment/0119/Goal_Zero_Yeti_400_Lithium_Portable_Power_Station_Review.htm
@noromance If it's easy to install the Maestro in the charger, then yes, I probably will install it though I'm not sure how much of a difference it would make.