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It’s not surprising, then, that so many of us believe battery myths. From storing batteries in the freezer to overthinking ...

Its lithium -polymer battery can handle multiple rounds of recharging, and the power bank will keep your devices safe from surges or overcharging. Ohoviv Portable Charger, $35 (was $200) at Amazon ...

In both cases, avoid letting your laptop drop below 20%. Understand that these are just guidelines. Obviously, it's not practical to have access to only 40% of your laptop's battery.

Fine-tuning for better battery life If your battery still holds a reasonable charge, you can likely extend each session by adjusting how your laptop is set up and how you use it: Lower screen ...

If the battery is above that level, the app can manually discharge it to reach the target, even if the charging cable is plugged in. While charging, as soon as the battery reaches an 80% level ...

A laptop can “think” it’s using a battery charge even when plugged in. Disabling optimized power in System Settings > Battery by clicking the info (i) icon to the right of Battery Health.