Often for light loads like vim and web browsing even laptops like my T470p can get almost 6hrs using tlp, reasonable brightness settings, etc. But I would hold

Often for light loads like vim and web browsing even laptops like my T470p can get almost 6hrs using tlp, reasonable brightness settings, etc. But I would hold out for snapdragon/ryzen/intel 8th quadcore ULVs/Intel-AMD graphics to start hitting the business/developer laptop market.