How to Extend Your Phone and Laptop Battery Life
Why lithium-ion batteries wear out, how heat and charge habits affect them, which settings drain power, and a myths-versus-facts table for phones and laptops.
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Get more from the devices you already own and spend wisely on new ones. Our tech guides explain which smartphone specs actually matter, how to back up your photos and files properly, and how to make batteries last longer.
3 articles
Why lithium-ion batteries wear out, how heat and charge habits affect them, which settings drain power, and a myths-versus-facts table for phones and laptops.
Set up the 3-2-1 backup rule for photos and documents with a cloud service and an external drive, automate it on your phone and computer, and test a restore.
Which phone specs matter for your use, how long software updates should last, when refurbished or last year's model wins, and how to compare unlocked and carrier deals.