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Over time you will shorten the lifespan of your battery. Once it's fully charged if you don't need to use the battery just unplug it from the laptop and only work with mains power.
Yes it's safe to do so you just won't have a full battery.
Cellphone batteries last after fully charged, through the electricity inserted in the phone while being plugged in. Batteries typically have to be replaced as needed, or every year.
An electrical cord is provided for just that purpose and when plugged into an electrical outlet, the battery charging light will come on. After the unit is fully charged, the Battery Fully Charged light comes on and you can unplug from electrical outlet and use anywhere you need it.
When the obsolescence is fully charged.
Electricity, wich You plug in from the front and there are 3 lights light up when fully charged.
Let me just say that you can't go wrong if you unplug it. Now for older notebooks (before ~2006-2007), do unplug it. For newer notebooks, it doesn't really matter. However, just to be extra precautious, unplug it.
No, it doesn't. When it is fully charged, it just automatically stops charging. When the battery icon is full all the way, it means it done. When you realize it's done, you unplug it.
No, but it will work better if it is fully charged.
The battery is the storage device for electricity in the vehicle. However the alternator is what creates electricity to keep the battery fully charged and to run all the electronics in the vehicle.
When it is charging the screen reads: Battery Charging. When it is fully charged it reads: Battery Charged.
A fully charged 12 volt automotive battery should have 12.68 volts.