Goal Zero, a leader in off-grid energy sources and portable power tech, is also offering some first-time sales. The 4000 offers increased power and faster charging than previous iterations, and at almost half off, a Memorial Day miracle of sorts. Take a look below at some of the best Memorial Day deals BioLite and Goal Zero have to offer through May 27. Best BioLite and Goal Zero Memorial Day DealsAnd for a limited time, you can get up to 40 percent off on BioLite’s and Goal Zero’s most coveted energy-efficient products, just in time for vacation. More Memorial Day DealsMemorial Day TV Sales | Lowe’s Memorial Day Sale | REI Memorial Day Sale | Memorial Day Grill Sale | Amazon Resale Memorial Day Deals