Laptop battery life has taken a major step forward, with some recent machines reaching runtimes that would have seemed unrealistic just a few years ago. CNET says it has tracked laptop battery performance for decades and has not seen a jump like this before, highlighting a new class of systems that can stay unplugged far longer than older notebooks.

A big reason appears to be the processor. While each new generation of laptop chips usually brings modest speed gains, newer designs are also becoming much more efficient. That means laptops can deliver solid everyday performance while using less power, helping extend battery life without requiring noticeably larger or heavier systems.

The broader result is that battery improvements are no longer just incremental. Instead of small year-to-year gains, recent laptops are showing a more dramatic leap in endurance. For many buyers, that changes the way a laptop can be used, making it more realistic to leave the charger behind for a full workday, long trip, or extended time away from an outlet.

The trend also means battery life is becoming a bigger deciding factor when comparing new laptops. As manufacturers continue improving power efficiency, buyers now have more options if long runtime matters most. The headline-grabbing 34-hour figure underscores how quickly laptop battery life has advanced in recent years.