We all know this is the very hefty portable charger - some could say it isn't even that portable but when you are Functioning off-grid for a very long time with a sizable crew then the EcoFlow River Max may not Lower it. Solutions from Anker and Belkin are cheaper https://power-bank-eloop-e2984174.dgbloggers.com/27120954/detailed-notes-on-best-portable-power-bank