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2021 Best Laptop Battery Life Notebooks

Business travelers and students are often at the mercy of their laptop computer’s remaining juice, since there are so many conference rooms, airplanes, and classrooms are woefully short on accessible battery power outlets. Then how long a laptop lasts on its internal battery is one of the most important considerations for notebook buyers.

Recent big improvements in laptop battery life are thanks to CPUs and other laptop computer components that are more power-efficient than ever. That’s especially true of Intel’s newest Core processors, which power many of the longest-lasting models currently on our list. The chip maker’s 10th Generation CPUs have mostly taken over our picks list, but 11th Generation ones should start to show up as 2021 progresses. Alternatives from Apple (the Apple M1) and Qualcomm’s Snapdragons are starting to make a showing too.

Notebooks with the best laptop battery life in 2021

A laptop with good battery life used to be mean a skinny, under-powered notebook that sacrificed performance to squeeze every extra minute out of a charge. Obviously, the more powerful a system is, the more power it draws, and the less time a battery can handle supplying that power.

Asus ExpertBook B9450, 16-hour battery life
Asus ExpertBook B9450 laptop battery life

The only Windows holdover from our 2020 list, the ExpertBook B9450 might not deliver the 24 hours of battery life it promised in real-life settings, but it comes close enough to have wowed reviewers.

Apple MacBook Pro (M1 version) , 16-hour battery life

With the introduction of its new M1 processors late last year, Apple has invigorated its MacBook and Mac mini lineups, as the M1’s unique architecture provides surprising power compared to its Intel predecessors, not to mention superior laptop battery life.

Dell Latitude 9510 2-in-1, 17-hour battery life

Dell’s business line of convertible laptops have earned a reputation for excellent battery life (not to mention high price tags), and the Latitude 9510 2-in-1 is no exception. Regardless of configuration, once you do reach the end of your charge, Dell claims the ExpressCharge feature provides an 80% battery recharge in a just an hour.

HP Pavilion 15 – What makes the HP Pavilion 15 really stand out — beyond its port selection — is little touches, like its stereo speaker system designed by Bang & Olufsen. The machine’s frame is made out of aluminum, which gives it a premium look and feel. Impressively, HP says using the fast charge port can refill up to 50% of the HP 807957-001 laptop’s battery in around 45 minutes.

ASUS Chromebook Flip C436 – ASUS says its laptop can last up to 12 hours per charge, which is a lot more than most portable machines. It has a 14-inch 1080P touchscreen, Intel Core i3 processor, 8GB of RAM, and 128GB of storage. That’s a very respectable amount of Asus a32-n56 laptop battery power for a Chromebook and will allow you to handle most tasks without slowing the machine down.

Resource-intensive work like photo and video editing will eat a lot more power than writing and editing documents. System settings like your display’s brightness will also make a big impact on the longevity of its battery.

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