_better to charge your phone to 80% instead of 100% to prolong battery life, as it reduces chemical wear and prevents overheating. But what are the real risks of charging to 100%? Are there exceptions? Read on to find out.
Why is charging to 80% better for your battery?
Lithium-ion batteries, found in most smartphones, have a limited number of charge cycles. Each time a battery is fully discharged and recharged, a cycle is completed, and over time, these cycles reduce the battery's capacity.
Frequently charging your device to 100% can accelerate its degradation due to increased chemical stress. This is because when the battery reaches its maximum charge, the electrical voltage is higher, which generates a greater chemical reaction in the internal materials of the battery, promoting wear.
Advantages of charging up to 80% instead of 100%
Less wear: Keeping the charge between 20% and 80% reduces the internal stress of the battery and prolongs its useful life.
Less heat: Prevents overheating, one of the main factors of deterioration. The higher the temperature, the greater the degradation.
Better long-term performance: The battery capacity is maintained for longer, reducing the need for replacement.
More efficient charging: By stopping charging before 100%, the time in which the battery is exposed to high voltages is reduced, avoiding premature wear.
Tips to optimize your cell phone's charge
To keep your battery in the best possible condition, here are some practical tips:
Use applications that limit charging to 80%: Some manufacturers include this function natively in their devices, but there are also applications that will help you manage your phone's charge.
Avoid charging your phone overnight: When the phone remains plugged in for many hours after reaching 100%, it continues to receive small charging pulses to stay at full capacity, which causes unnecessary overheating.
Unplug the charger once the desired level is reached: Although modern smartphones have charge management systems, it is advisable to avoid prolonged exposure to high voltages.
Avoid using the phone while charging: Using the device while charging generates additional heat, which can accelerate battery degradation.
Charge the phone in short intervals: Instead of waiting for the battery to completely drain, perform partial charges between 20% and 80% to extend its life.
When is it advisable to charge to 100%?
Although it is ideal to keep the charge within the range of 20% to 80%, there are situations in which charging to 100% may be necessary. For example:
When you need maximum autonomy: If you are going to be without access to a charger for a long time, it is understandable to charge the battery to 100% to ensure the longest possible life.
If the device has optimized charging technologies: Some manufacturers include systems that reduce the voltage in the final phase of charging to minimize the impact on the battery.
Before long trips or emergency situations: If you depend on your phone and will not be able to charge it for an extended period, a full charge may be convenient.
Charging the cell phone to 80% instead of 100% is an effective strategy to extend the battery life and maintain optimal performance in the long term. However, in certain cases, reaching 100% may be necessary. By following best charging practices and avoiding situations that cause unnecessary overheating, it is possible to significantly extend battery life and reduce the the need for premature replacement.
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