How Do I Make My Batteries Last Longer?

So many of the devices we use every day have batteries and it seems like everyone has their own rituals for making them last longer.


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Some people store them in the fridge or unplug as soon as the battery is charged or even insist on only charging when the battery is on the brink of dying.

But when it comes to charging the batteries in things like your phone and laptop, it turns out that many of these strategies don’t do very much. And some are actually counter productive.

Batteries work using electrons that try to flow between electrodes. But they are blocked by an electrolyte, which only lets charges flow when two sides are directly connected by wires. Once all the electrons have reached the positive electrode, the battery is considered discharged, meaning it’s out of power.


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Recharging the battery just involves pushing those electrons back onto the negative electrode to reset the whole process.

All rechargeable batteries lose the ability to hold charge over time as the electrolyte breaks down and the pieces wear out. But what those pieces are made of determines a lot about how to make a battery last as long as possible.

A lot of those battery life myths you might hear apply to nickel-cadmium and nickel-metal hydride batteries. The kind you might have in your TV remote.


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With those, because of the chemical reaction that produces the electrons, it really is better to let them run all the way down before recharging them, and to stop charging pretty much as soon as they’re fully charged.

But most portable devices these days, like your phone and your laptop, use lithium-ion batteries which work differently.


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Lithium-ion batteries do get damaged if they’re overcharged but the batteries and chargers are usually designed to stop charging before that happens. So you don’t have to worry about unplugging your phone or laptop as soon as it’s charged.

And waiting until lithium-ion batteries are close to dead before charging them can actually make their lives up to 5 times shorter than always charging before they dip below 70%.

The higher the charge before you plug ing the longer the battery will last.

The biggest thing that affects all batteries is temperature. Electrochemical reactions happen faster when it’s hotter. So batteries do break down faster in prolonged heat.


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So if you want your phone and laptop batteries to last, keep them plugged in as much as possible..

That is all.

Enjoy in your battery

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