The Stressful Life of Smartphone Batteries

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It is our fault as consumers that smartphone batteries go flat so soon. In the first instance, our vanity demands they be thin as possible which is impractical. Then secondly we abuse them when we charge them. It is a wonder they hold energy for as long as they do.

We Are Not Going on a Seven-Day Camel Hike

Smartphone Batteries
Apple Phone Charging: Intel Free Press: CC 2.0

There is something in our DNA that makes us want to overcharge our smartphone batteries. Possibly this is akin to a Linus blanket in that we want to remain fully under control.

Besides, we heard that charging them in short bursts is bad for them too. And so we charge them fully, and then we forget to turn the charger off.

We are not going on a seven-day camel hike. If we were, our phones would go flat anyway. Leaving them on charge for lengthy periods stresses lithium-ion batteries and this shortens their lives. Thus doing so is unproductive. We need to change our smartphone lifestyle, and refresh our memories each time we charge a phone.

We Should Never Fully Charge Smartphone Batteries

Smartphone Batteries
Long Distance Runner: Nakashi: CC 2.0

A fully charged smartphone battery receives a ‘trickle charge’ for as long as we keep it plugged in. This causes it stress and shortens its life. Ideally, we should never fully charge it.

We should let it snack on electricity every time we have access to a plug. But only for a short time so it paces itself like these long distance runners.

Smartphone batteries are much happier when we let them snack that way. The shorter time on mains power means they do not overheat. Moreover, they have time to relax their electrolytic muscles between events. That way, we can keep our smartphone batteries effectively topped up, and almost good as new for longer.

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About Author

Electricity has always intrigued me. I have been writing about batteries and energy storage for more than ten years, and have published over 4,000 articles on this website. During that time, I have researched developments across lead-acid, lithium-ion, sodium-ion, flow batteries, and emerging energy-storage technologies. My goal is to explain complex battery concepts in clear, practical language that anyone can understand. My writing career began unexpectedly after leaving the corporate world. What started as a search for a new direction gradually became a fascination with batteries, renewable energy, and the science that powers modern life. Writing may not have made me wealthy, but it has given me the opportunity to explore an industry that continues to evolve in remarkable ways.

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