HP is refreshing its sleek and stylish Spectre X360 convertible laptops with new designs and upgraded hardware. This includes both the 13-inch Spectre X360 13 and 15-inch Spectre X360 15 models, though it is the smaller of the two that purportedly boasts extra long battery life—up to a whopping 22.5 hours, according to HP, for an Always-On,

Source: Hot Hardware – HP Spectre x360 Touts Whiskey Lake CPUs, LTE And Crazy-Long 22 Hour Runtime