Keep Your Smartphone Powered up Through This Ergonomic Wireless Charger

 

Is It Safe to Leave a Smartphone on a Wireless Charger?

If you're not well versed in the intricacies of smartphone electronics (like me), you may not fully understand the do's and don'ts when using a wireless charger. This gets even more complicated when you are flooded with myths on the internet about how to charge your device in the most efficient, safest, and least battery-draining way possible.

There is no point in repeating junk science, so I will try to provide as many sources as possible for my battery data.

In general, I think your device should have no problem turning the wireless charging pad on and off a few times a day. Although the technique differs from a wired charger, using a coil to create an electromagnetic field, which in turn produces a current in a receiving coil, the result is the same as far as a battery is concerned.

If you don't worry about plugging in your phone multiple times a day via its cable, you probably don't have to worry about how many trampolines you play with a wireless charging pad.

However, this conversation now takes us down the difficult path of smartphone power cycles, which everyone seems to have different opinions about.

What do experts say about wireless smartphone chargers?

First, putting your smartphone on a charging pad all day can drain your battery more than leaving it idle in a battery-less state. As Matt Reynolds of Wired wrote last year:

Charging your phone to stay at 100 per cent overnight isn't pleasant for the battery, but it's not because it's built up more charge than it can handle. The "drop charging" mechanism cuts off the charger once the phone reaches 100 per cent charge and only recharges the battery when it gets a little low.

The problem is that you keep the charge level at 100 per cent, which, as we know from the myth above, puts some strain on the battery."

However, University of Cambridge researcher Kent Griffiths points out in the article that your smartphone battery manufacturer has set limits to prevent your constant need to charge your phone from damaging the battery. Keeping your smartphone "charged" all the time isn't "good," he says, but it shouldn't harm your device. In other words, obsessing over charging your device is at your peril, but you're probably not sacrificing much.

As Lucas Mearian wrote in an article for Computerworld last year, there is still a lot of debate about how smartphone charging is handled, especially wireless charging.

An expert claims in his article that you should keep your smartphone at around 45-55 per cent to get the most out of the battery, which I find ridiculous because you will hardly be able to use your smartphone during a typical day.  @smarttechpros

Another tech journalist claimed that wireless charging ruined his iPhone because it supposedly used up its charging cycles faster than a wireless charger. But according to Menno Trivers, President of the Wireless Power Association, "...by constantly recharging your phone battery throughout the day, as you would with wireless charging, and never letting your phone's battery drop below 50%, you will extend your battery life."

I understand. Let's continue. Don't top it off, but don't let it get you down, either. Here's another article by Simon Hill from Digital Trends, published last year:

"Electrical energy converts into chemical energy during charging, and the opposite happens during discharge," Dr Daniel Abraham, principal scientist at the Argonne lab, told Digital Trends.

The battery manufacturer decides how much energy can be stored in the cell, which determines how much power is available.

"The manufacturer decides the upper cutoff voltage and lower cutoff voltage, which are to be installed, and the cells alternate between the two voltage ranges," explained Dr Abraham. "As long as you choose the right voltage range, you can cycle the cell thousands of times."

"It doesn't matter if you have a wired or wireless charger."

These limits cannot be exceeded by leaving your phone on the wireless charging pad for a long time or leaving it plugged in overnight. You also cannot drain the hive past the minimum cutoff limit dictated by the manufacturer. These limits do not distinguish between energy sources.

"It doesn't matter if you have a wired or wireless charger," said Dr Abraham. "You won't be able to overcharge or over-discharge the cell."

Hill also touched on the whole power cycle problem I mentioned earlier and the signal.   @techgeeksblogger

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