How to preserve the battery life of your iPhone, iPad and MacBook

Apple has recently sunk in hot water for doing what many customers have long suspected: slowing down the performance of older iPhones. Following this revelation, Apple explained that it only throttles the iPhone’s performance when the device’s battery has degraded to the point where running at full speed could cause the device to power off.

Apple insists that this is to avoid customers having to upgrade early, considering this is the correct solution to a difficult problem, customers have filed lawsuits and news outlets continue to state. clear “battery deadlock” scandal.

While Apple has agreed to be more transparent, this issue has raised awareness of the need for proper battery maintenance, including doing everything possible to prolong the useful life of your device’s battery. your laptop, phone or tablet.

Lithium Ion Battery

Lithium-ion (Li-ion) and lithium-ion polymer derivatives (LiPo), batteries are currently the most common types of batteries used in modern laptops, tablets, and phones. This type of battery has a number of benefits over previous technology, including faster charging and longer life.

Many devices use Li-ion batteries that quickly charge 80 to 90 percent first, and then trickle charge the remaining 10 or 20 percent, allowing depleted devices to be used much faster than technology. before.

Different battery power levels are illustrated

Another benefit of lithium-based batteries is the fact that they don’t have the “memory” of earlier batteries, such as nickel-metal hydride (NiMH). NiMH batteries work best when they are fully discharged and then fully recharged. Conversely, if the battery is only partially discharged, the battery will gradually lose its full capacity, keeping in mind the smaller capacity of the partial recharge.

Due to the characteristics of Li-ion batteries, there are specific ways to help maintain their health.

How to maintain battery health

Avoid excessive heat – Many Li-ion batteries are designed to operate in the 32º to 95º F range. While cold temperatures can cause a device to temporarily lose battery capacity (and shut down suddenly), the temperature is too high. may result in permanent damage. Therefore, avoid leaving your device in enclosed and hot areas.

You should also check periodically to make sure your laptop’s vents are clean and free of dust or other obstructions. Likewise, certain types of cases — whether for phones, tablets, or laptops — can restrict airflow and trap heat. While usually not an issue in day-to-day operation, the extra heat generated during charging can be amplified by such circumstances.

Use the right charger – Since Li-ion batteries are designed for the last 10 or 20 percent trickle charge, the charger needs to be able to detect and adjust the charge level accordingly. Device manufacturers’ chargers are guaranteed to properly charge their respective devices, but the same cannot be said for inexpensive third-party chargers, you may come across similar ones. yourself at the local gas station or truck stop.

Apple charging cable white

Usually, these cheap chargers will try to keep charging the device long after it has reached full capacity, commonly known as “overcharging”. When this happens, it generates extra heat that can cause damage. Therefore, if possible, use the charger from the manufacturer. If you use a third-party charger, be sure to choose a charger made by a reputable, well-known third-party vendor.

Host it with half charge – Due to the nature of the way Li-ion batteries store energy, it is best to store them long-term in a half-charged state. Storing them when they’re depleted can cause them to drop below the 2.5 volts-per-cell threshold, whereby the battery will stop charging altogether.

If this happens, only special battery analysis software has any hope of saving the battery. Conversely, storing batteries in a fully charged state for a long time may cause Li-ion batteries to gradually lose some of their capacity.

Occasionally discharge the battery – Under normal circumstances, and unlike previous technologies, for best performance, Li-ion batteries must not be fully discharged. Ideally, a laptop, phone, or tablet with a Li-ion battery should run within a 30 to 90 percent charge range. This serves to “exercise” the battery and keep the electrons inside it moving.

While this is the best way to run a Li-ion battery under normal circumstances, most battery experts recommend completely discharging the battery once every 30 cycles or so. While this doesn’t directly affect the battery’s capacity, it will recalibrate the internal software that acts as the battery’s energy meter.

Low battery warning on iPhone screen

Over time, the power meter can be a bit inaccurate in estimating the remaining capacity. Discharging the battery to a threshold allows the internal software to reset itself and sync back to the actual capacity of the battery.

Li-ion batteries represent a significant improvement over previous generations. In fact, some manufacturers claim that even after 1,000 charge cycles, their devices will retain 80% of their original capacity. Even so, like all batteries, Li-ion ions degrade and lose capacity. However, following the steps above will help you preserve your device’s battery and give you the best possible performance and longevity. Interesting!

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