How to increase your phone’s battery life?

Prefer partial charging

For lithium-ion batteries, partial charging is fine and may even increase the longevity of the cell. Understanding how a battery charges will help you comprehend why. Closer to empty, Li-ion batteries consume constant current and run at a lower voltage. As the cell charges up, this voltage rises steadily. It levels off at about a 70% charge before the current starts to decline until it reaches capacity.

Notably, utilizing a battery at a low voltage extends the number of possible charging cycles before you start to see a noticeably diminished capacity. According to Battery University, the cycle life roughly doubles for every 0.1V drop in cell voltage. extend the battery’s life a little bit. So keeping the voltage low while charging your phone in that 30% to 80% range may help marginally extend the battery’s life.

It is not feasible to use up just 20% of your battery between charges but topping off when you’ve used around half will increase the longevity of your battery over time. especially if you don’t charge completely each time. The basic conclusion is that shorter, more frequent top-ups are preferable to lengthy full charge cycles for Li-ion batteries.

Avoid idle charging

It’s a normal habit to charge devices overnight or in cradles during the day, but we do not advise this practice for several reasons (the old “overcharging” myth is not one of them). The metallic lithium in a full battery can become plated through constant trickle charging, which affects stability over time and, in rare instances, can result in system-wide issues and reboots. Second, when the battery is at 100%, as we just discussed, it leaves the battery at a higher stress voltage. Thirdly, and most significantly, it generates too much heat because of power loss.

When a device’s battery is fully charged, it should cease charging and only turn back on to top it off occasionally, or at the absolute least, reduce the charging current to extremely minimal quantities.

When a phone is fully charged, some phones stop charging, but many continue to draw up to half an amp or even more from the wall outlet. In many situations, turning the smartphones off makes little effect either. Despite the fact that this is a relatively little amount of electricity, it will prevent your phone from cooling down as rapidly and keep the battery from cycling completely, creating a mini cycle.

Parasitic load

Parasitic load is a final point that holds significance. This happens when you are heavily using the battery while charging the phone.

Batteries suffer from parasitic loads because they alter the charging cycle and generate mini-cycles, in which a portion of the battery repeatedly cycles and loses capacity more quickly than the remainder of the cell. Even worse, when a gadget is completely charged, parasitic loads cause the battery to experience more voltage stress and heat.

Turning off your device while it charges is the greatest approach to prevent parasitic loads. However, that is not at all feasible. Instead, it’s preferable to keep the device’s workload minimal while it’s plugged in, leaving it idle for most of the time. I think browsing the internet is fine. Additionally, keep in mind to unplug it after fully charging the battery.

Exposing your device to heat

The temperature has an equally important role in endurance and improving battery life in addition to the factors mentioned above. In fact, it’s possibly the biggest threat to the long-term health of batteries. High temperatures stress the battery and cause it to lose capacity far more quickly than when kept at moderate temperatures, much like high voltages do.

After the first year with reasonable charging cycles, a battery kept between 25 and 40 degrees Celsius (77- and 86 degrees Fahrenheit) should retain between 85% to 96% of its capacity. After the first year of regularly raising the temperature above 40°C (104°F) and charging to 100%, this capacity falls to just 65%, and a battery temperature of 60°C (140°F) will reach this threshold in as little as three months.

The worst-case scenario is when you fully charge your phone and exposed it to a high temperature. Therefore, avoid plugging your phone in on the dashboard of your car on a hot day or leaving it under your pillow at night to charge.

Fast charging is a sensitive topic because hotter devices result from higher currents and voltages. Device longevity quickly becomes a problem with capacities reaching 60W and pushing to 100W even in smartphones. Fast charging is excellent for a little top-up, but several of the standards we’ve tested routinely reach temperatures of 40°C or higher while charging for an extended period of time.

Maximizing your battery life for long-term

Professionals now design today’s smartphones with our use cases in mind. Now they have understood lithium-ion battery technology as well, yet old habits and misconceptions still exist. While most of these behaviours won’t have a significant long-term negative influence on your phone’s battery life, the fall of detachable phone batteries means we should take extra steps to maximize battery life and, consequently, the durability of our smartphones.

In general, smaller, more frequent charge cycles and keeping your phone cool are important considerations. However, I should note that based on how we treat them, different phone batteries will always age slightly differently.

Qualcomm Quick Charge 5 Vs Ultra-fast Chargers

I don’t suggest using your phone for a full charge but leaving it to fast charge for 5 to 15 minutes won’t cause serious overheating issues. Instead, if you intend to plug your phone in over night, you would be better off choosing a temperature-aware fast charging solution or switching to a slower charger.

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