Is Charging to 100 Bad? 

The concept of battery charging may seem easy, but there are some complexities that determine whether your battery life will stand the test of time. One question people often ask is “is charging to 100 bad?” Well, it depends. Read on to understand this and more concepts about battery charging.

In a nutshell, it’s okay to charge your battery to 100%, but not every time. According to experts, keeping your battery charge between 30%-80% will make it last longer. Some manufacturers say you should do a full recharge from 0% to 100% (charge cycle) once a month because this resets the battery like a computer reboot, keeping it healthy. Others, however, dismiss this as untrue, especially for modern lithium-ion batteries like those used in smartphones.

Is Charging to 100 Bad? 

It’s advisable to do regular, short charges rather than full recharges to maintain the health of your battery. However, it’s not good for a lithium battery to be discharged too much since that puts extra strain on it. If you charge your battery often, without overcharging, it will last longer.

The Correct Way to Charge Your Phone Battery to 100

What may be causing your phone’s battery performance to deteriorate over time? At first, it usually has enough power when you go to bed, but with time, you may discover that the battery is only halfway full by midday.

is charging to 100 bad

The way you use your phone, including the applications you download, the junk you accumulate, the tweaks you make, and the number of notifications you get, all take a toll on your battery.

A long-lasting battery charge is important until we get access to cutting-edge technology like smart clothes that improve wireless performance.

Cell phone batteries, like other batteries, lose capacity over time. So a two-year-old phone battery won’t last as long as a new one, even if it should last 3 to 5 years or 500 – 1,000 charging cycles.

Three factors contribute to the deterioration of lithium-ion batteries:

  • Charging cycles
  • Temperature
  • Age.

Using these battery care guidelines, you can extend the life of your smartphone’s battery.

When is the Best Time to Charge my Phone?

The general rule of thumb is to maintain your battery charged to between 20 and 90 percent of its capacity. If it dips below 50%, recharge it, but disconnect it before 100%. Consequently, you may wish to reconsider keeping it charging overnight.

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A lithium-ion battery will degrade faster if charged to between 80 and 100% of its capacity.

It would be better to charge either over breakfast or at your workplace. It’s easy to monitor the battery percentage that way.

It may seem abnormal not to recharge your phone fully, but doing so can shorten the battery’s lifespan. On the flip side, don’t let your phone’s battery life drop below 20%.

When using a lithium-ion battery, it is best not to discharge it below 20%. Instead, consider the remaining 20% as a reserve for high-use days, and always begin charging at the first sign of a Low Battery alert throughout the workweek.

Lithium-ion batteries flourish in the middle. Therefore, the battery percentage should not be excessively low or high.

Should I Leave My Phone Plugged in Overnight?

Despite the apparent benefit of having a fully charged battery when you wake up, it is generally recommended that you refrain from doing so. Your phone battery is only designed to withstand a certain number of “cycles” or complete charges.

If you charge your phone overnight, you will undoubtedly miss the moment it reaches the 80% mark.

Most newer smartphones have in-built sensors that automatically stop charging once the battery is at 100%, but leaving the device on even while it’s not being used may still drain a little bit of battery life.

Your phone may only receive a “trickle charge” since the charger is working so hard to keep the battery at 100%, even though your phone will naturally lose some power. In other words, when charging for longer than necessary, your phone repeatedly goes from 99% to 100% and back to 99%. This might cause the phone to overheat, which is detrimental to the battery’s life. Therefore, it is better to charge during the day rather than overnight.

Your best course of action is to turn on the “Do Not Disturb” feature and the “Airplane Mode.” While it would be ideal for turning off your phone entirely, this may not be practical if you want to be available to answer calls at all times.

Some devices automatically turn on when a cable is attached. At any time, it’s better to unplug your phone before it reaches full capacity.

If you are going to leave it charging for an extended amount of time, taking the case off of it will help prevent it from overheating.

Will My Battery Be Damaged if I Use a Fast Charger?

Most new smartphones have fast charging capabilities. But that usually means shelling out for an additional accessory. The Qualcomm Quick Charge standard, which provides 18W of power, has become the industry standard.

Many phone manufacturers have their standards, and many can offer faster speeds by altering power management programming. For example, a 45W charger is currently on sale from Samsung.

Your phone’s battery is designed to withstand quick charging, but the extra heat it produces might shorten its lifespan. So it is up to you to weigh the benefits of fast charging against the time savings of giving your phone a quick charge before you run out the door.

Phone batteries are sensitive to temperature changes and can be damaged by high and low temperatures. Leaving your device in extreme temperatures ( on the beach, in a car, by the stove, or in the snow) is a sure way to ruin it. Temperatures between 20 to 30 degrees are ideal for battery performance; however, brief periods outside this range should not affect battery life.

Does the Type of Phone Charger Matter in Battery Life?

Use the charger that comes with your device whenever feasible, as it will have the proper amperage to charge your device. Either that or make sure any other charger you use is authorized by the phone’s maker. You should avoid purchasing cheap replacements from online marketplaces like eBay or Amazon since they might cause damage to your phone due to incompatibility issues. There have been reports of these chargers catching fire.

Is It True That Batteries Have a Memory Effect?

The battery memory effect applies to phones whose batteries are usually 20% – 80% charged, suggesting that the device may ‘forget’ the remaining 40% of the power.

Modern smartphones use lithium batteries, which do not experience the battery memory effect like their nickel-based (NiCD and NiMH) predecessors.

If nickel-based batteries aren’t drained and charged from 0% – 100%, they’ll forget how much capacity they have. However, your lithium-ion battery’s lifespan will reduce if you repeatedly discharge and recharge it.

Tips to Extend Your Battery Life

Charging your phone while using it might “mess” the battery by causing mini-cycles, where smaller sections of the battery cycle degrade faster than other parts of the cell.

In an ideal situation, you should switch off your smartphone while charging. But it’s more practical just to let it sit while it charges.

Batteries are particularly vulnerable to overheating. Ensure the temperature isn’t too high or low, especially during charging. Keep your phone cool to avoid damaging the battery.

Batteries do not like the cold either. Wait until the phone has returned to room temperature before plugging in the cord after returning from a walk in the chilly winter weather.

To a limited extent, batteries are similar to people in that they do best when the temperature is between 20 and 25 degrees.

Below are some tips on how to extend your battery life;

  • Consider switching to the energy-saving mode more regularly. It cuts power usage as well as cycles.
  • Dark Mode might help you preserve battery life by turning off the pixels that display white on your screen. Or you can simply lower your phone’s brightness.
  • If you think an app does not need background updates, you should disable them so that the device uses less power.
  • Your phone should be turned off or put into Airplane Mode while it is not in use, such as overnight, ideally when there is still some charge left.
  • Don’t force-quit applications. Your phone’s OS saves more battery life by suspending unused applications than by repeatedly starting them from scratch (known as a “cold start”).
  • Stay away from low-quality chargers and cables. It’s not cost-effective to purchase low-quality plugs and cables. Overcharging can happen if the hardware does not include a charge control and instead uses a low-quality circuit.
  • If you’re not going to use a lithium-ion battery for some time, leave it with at least a 50% charge.
  • To preserve battery life, you should charge your phone between 30 and 80 % before putting it away for an extended period. The battery loses 5 to 10 percent of its charge every month, and if left entirely discharged, it might not hold a charge again. This is why an outdated phone’s battery performance is significantly reduced after sitting unused for a few months.

Manufacturer-Specific Protection for Phone Batteries

Here are some of the brands with their manufacturer-specific protection;

OnePlus

The OnePlus “Optimized Charging” battery meter is included in OxygenOS 10. This is turned on by going to “Settings/Battery.” Your phone will then figure out when you often wake up and finish the final 20% of charging just before you wake up.

Samsung

Samsung’s Galaxy Tab S6 and S7 include battery charge functions. ‘Protect Battery’ may be found in ‘Settings’ > ‘Device maintenance’ > ‘Battery’. Activating the feature resets the device’s maximum battery capacity to 85%.

Apple

The “Optimized Battery Charging” feature on Apple products is designed to shorten the time the battery is being charged at full capacity. In some cases, charging above 80% is delayed or skipped. As a result, it’s vital to prevent energy gaps wherever possible, especially when away from home for vacation or business travel.

Huawei

“Smart Charge” is the name of the battery aid that Huawei offers, and it is available for Magic UI 2.1 or EMUI 9.1. The feature, accessible via “Settings > Battery > Additional Settings,” ensures that your device is charged to 80% the night before but not fully until you wake up. Your regular usage pattern and alarm time are factored in.

Sony

Most Sony models have a “Battery Care” feature. The gadget remembers the time and length of each charging session and adjusts the charging process to finish at the same time the power supply is disconnected. Additionally, Sony devices can be charged to a maximum of 80 or 90% of their capacity.

Frequently Asked Questions (FAQs)

Below are some of the commonly asked questions about phone batteries.

1. Does regular phone charging damage the battery?

A phone’s battery can’t be damaged by frequent charging. Power levels around 80% to 20% are ideal for modern smartphones. Don’t constantly connect and disconnect the charging cable since doing so might wear out the connector.

2. Can I use my phone while charging?

You may use your phone while charging, but you shouldn’t do it too often. Screens, radio transmitters, and human bodies contribute to a rise in battery temperature. High temperatures are bad for smartphone batteries since they make charging take longer. It’s advisable to take a screen break and charge your phone to 80-90% before using it.

Brett Jones
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