You can (and should) stop charging your phone when it hits 80 percent

Optimizing Your Phone's Battery Life: The Benefits of Limiting Full Charges

Many of us habitually charge our phones overnight to 100%. However, consistently reaching a full charge isn't ideal for long-term battery health. To address this, phone manufacturers have incorporated intelligent charging management. Android phones, for example, allow customized charging alerts at specific percentages, such as 80%.

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The methods vary depending on your phone's brand and model. This guide focuses on Google Pixel and Samsung Galaxy devices, but similar functionalities may exist for other handsets. iPhone users can also implement 80% charging limits.

The Science Behind Limiting Full Charges

While charging to 100% won't damage your phone, lithium-ion batteries age more slowly when kept within the 80-85% range. This is due to the chemical aging process inherent in these batteries. Charging a full battery is akin to over-saturating a sponge; it accelerates wear and tear.

Batteries store electrical energy as chemical energy, releasing it as needed. Rechargeable batteries have a limited lifespan, and the repeated charging cycle gradually degrades their capacity. Minimizing full charges reduces the stress on the battery's internal components, improving its longevity and efficiency.

While modern phones are better at managing this stress, limiting full charges remains a beneficial practice.

Setting Up Optimized Charging

Google Pixel: Navigate to Settings > Battery > Adaptive Charging. Enabling this learns your charging habits and only fully charges when necessary (e.g., on days you don't typically recharge).

Samsung Galaxy: Access Settings > Battery > Battery protection. Choose either Adaptive (similar to Pixel's function) or Maximum (limits charging to 80%).

Alternatively, on Samsung Galaxy phones, you can set a custom alert at 80%: Go to Settings > Modes and Routines, tap the " " button, select Battery level as the trigger (set to 80% or above), and choose Notifications > Show custom notification to create a personalized alert. You can also use a simple chime via Sounds and vibrations.

For other Android devices, apps like the free Battery Guru (available on the Play Store) offer similar functionality. Access Battery info > Battery level alarm to set alerts for specific charging levels.

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