For instance, the Lenovo ThinkPad X1 2-in-1 Gen 9, with an estimated value of $3,169, is on sale for only $1,426 at Lenovo. That's a 55% discount that translates to massive savings of $1,743 ...

But when it comes to battery life, with the Gen 9 update ... the ninth-gen X1 Carbon continues to be one of the lightest business notebooks out there with its weight of 2.49 pounds.