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Is it harmful to charge electronics too long? Reward $2
Created by linburger, 1584 days ago, 1817 views

Is it harmful to charge electronics too long? I often leave my devices charging all day long after I go to work.
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√ Best Answer


zch0981583 days ago

Hi @linburger

Hope you are doing fine eating burger.;)

Early batteries like those that invented early 80s to 90s don't have chips or sensors that detect whether they reached their certain loading capacity that helps them to disable the charging on the circuit unlike nowadays that the modern batteries and their circuits have this sensors and chips that detects and automatically disable the charging of the batteries when they are full.

Have a nice day.

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sladek1584 days ago

it depends on technology of battery. most of devices have a electronics for regulating charging,so it isn't problem if this electronics work properly

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nihal291584 days ago

hi @linburger The mordern days batteries are safe , the have overcharge protection circuits to ensure safty. Lithium-ion operates safely within the designated operating voltages; however, the battery becomes unstable if inadvertently charged to a higher than specified voltage. Prolonged charging above 4.30V on a Li-ion designed for 4.20V/cell will plate metallic lithium on the anode. The cathode material becomes an oxidizing agent, loses stability and produces carbon dioxide (CO2). The cell pressure rises and if the charge is allowed to continue, the current interrupt device (CID) responsible for cell safety disconnects at 1000–1,380kPa (145–200psi). Should the pressure rise further, a safety membrane on some Li-ion bursts open at about 3,450kPa (500psi) and the cell might eventually vent with flame. be careful

. regards

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warywolf1584 days ago

If you are using the correct charger for the battery, there's no problem. If you are using, say, a variable power supply, you need to monitor the voltage & current, otherwise you might overcharge the battery and cause possible damage.

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ha141584 days ago


Well it depends on the device, decent device and batteries have regulators you will not be able to charge more than 100%, you have also check your USB Power Adapter if it is not good quality it might heat perhaps melt and causes serious problems. When device is on and charging it will go through the small charge/ discharge cycles. turning off your device and charging over night preserves battery life.

Tp smapi
Currently, the main implemented functionality is control of battery charging and extended battery status.

Proper laptop battery usage guide

Dell QuickSet
unique option is that you can turn off battery charging so that it will stop battery from charging until the next time you re-boot the system.

Charging your device when it’s inside certain styles of cases may generate excess heat, which can affect battery capacity. If you notice that your device gets hot when you charge it, take it out of its case first. For Apple Watch Edition models, make sure the cover of the magnetic charging case is off.

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Aravi1584 days ago

Hi @linburger
I don't think that we need to worry about charge electronics too long in modern days consumer gadgets. These modern consumer gadgets comes with safe trip system.

But, back to 90's and some industrial devices, they don't had such chip embedded mostly. You have to be careful while charging such devices.


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pustoi111583 days ago

Battery life principle,pick up the voltage to give tension. if the principle is violated, leading to a reduction in service life.

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benedict_cc1580 days ago

No, it's OK with factory charger. It's harmful to charge frequently, because all batteries have limited recharging cycle.

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