Has anyone tried this dual-level portable J1772 charger from Lectron? It's advertised as "providing up to 31 miles of range per hour". Can anyone confirm? https://ev-lectron.com/products/lectron-level-1-level-2-portable-j1772-ev-charger-16-amp-32-amp-with-dual-charging-plugs-nema-5-15-14-5...