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Contrary to what some people think, charging a smartphone, laptop or electric car overnight will not overload the battery. This is because most modern devices that use lithium-ion batteries are designed with smart chips that automatically cut power (time-through) 100% of the time. However, once the device stops charging, the battery may drop slightly after a few minutes, prompting the charger to recover and return to 100%. This small power gain is called “trickle charging,” and it can shorten the life of the battery.
To prevent trickle charging effects, the latest iPhone and Android smartphones have optimized battery charging function. For example, if you activate optimized battery charging on your iPhone, it will stop power at 80% and accelerate to 100% (via 9To5Mac) minutes before you wake up. In other words, the battery doesn’t trickle charge, and if you want to unplug the battery to extend its life, you can easily predict when the battery will reach 80%.
Myth: You should not use your phone while charging VADISH ZAINER/Shutterstock
According to Samsung, when the smartphone is still connected to the charger It is safe to use it. The same goes for laptops and electric cars. If you’re using your smartphone while it’s plugged into the charger, charging will slow down so it won’t affect your power consumption.
Still, according to Huawei, you should be careful to avoid charging your smartphone Play video games and stream HD videos. Doing so may cause the battery to overheat, shortening its lifespan. However, if you’re accessing apps that don’t consume a lot of power, using your smartphone while plugged in should be fine. If you find your device is too hot, you should unplug it from the charger.
In addition, the ideal ambient temperature for charging Li-ion batteries should be within 50 degrees between and 86 degrees Fahrenheit (via Battery University). However, different manufacturers have different recommendations. For example, Tesla recommends that you plug your vehicle into the charger whenever possible in winter to keep the battery warm.
Myth: Fast charging will damage the battery