The longest-lasting laptops in Lenovo’s line-up have the company’s Power Bridge technology, which lets you swap out the batteries without powering down. If you buy them with the 6-cell battery option, which effectively doubles the endurance, both the ThinkPad X270 and T470 (non-S) should last well over 10 hours on a charge (the T470 lasted 17:25 on our test; we haven’t tested the X270 yet). However, these same laptops get about half the endurance with their slimmer, 3-cell batteries. Also note that configuring these notebooks with touch screens will probably shave a couple of hours off. Probably you can check out the Lenovo ThinkPad price and can select the best one for you. But if you feel you need a high battery life laptop then these are the options for you.
If you don’t want a somewhat chunky extended battery, you can still get strong battery life on a couple of svelte laptops with non-removable batteries, namely the ThinkPad X1 Carbon and ThinkPad 13, both of which last well over 9 hours on a charge when configured with their 1080p screens. The latest X1 Carbon endures for nearly 12 and a half hour, even though it weighs less than Battery Test, which involves continuous surfing over Wi-Fi. Depending on what tasks you perform, your mileage will vary. If your uses are less and low you can also opt for a tablet since the Lenovo tablet price is low and for general purpose it is enough for you.