Laptop for business should last as long as the workday, which makes extended, swappable batteries invaluable. The Dell Latitude 14 3470 has an option for a six-cell battery that extends the battery life past 10 hours while its Intel Core i7 processor delivers solid performance. Unfortunately, the laptop is saddled with a stiff keyboard and dull display, which detract from its usability.core i7 best regarding to consume to upgreade veraion to mack over aleep weel this is core processer