If it is plugged in yes.
To charge a Black and Decker drill, first insert the battery into the charger. Plug the charger into a power outlet and wait for the battery to fully charge, indicated by a solid green light on the charger. Disconnect the charger from the power outlet and remove the fully charged battery from the charger.
This will make it stop sucking power out of the wall outlet which can actually add up to be a lot of power. This is the same reason cell phone companies advice you from taking the charger out... I don't believe that it's possible to overcharge a laptop.
Even when a phone is off - it still uses a minute amount of power from the battery. It constantly checks the circuitry to see if the power button has been pressed. Even a fully-charged battery will eventually run down in a phone that's switched off.
A phone uses energy to function, which is provided by its battery. The phone does not produce energy on its own, but it can be charged using external sources such as electricity from a power outlet or a portable charger.
The CHARGE indicator lights up in orange while charging. Charging is completed in about four hours*1 and the indicator turns off. If the CHARGE indicator stays turned off when the power is off and connected to an AC outlet, the built-in lithium-ion battery is fully charged.
Is the battery fully charged?
Yes, it is possible to charge your phone in a room with no ground outlet available by using a portable charger or a power bank.
Yes, the outlet will be used to power the phone. Try it.
No, after the battery in your laptop is fully charged the power is cut off to it.
It can take 2 to 4 hours to fully charge a mobile phone with the help of a power bank.
If your phone system is a PBX then yes you can plug it on the same outlet where a UPS is plugged. You can even plug your PBX system to the UPS so when there's a power failure you can still have few minutes source to power your phone system.
You can tell your power bank is fully charged by checking the indicator lights, which usually change color or turn off when fully charged. Some power banks have an LCD screen that displays the current battery percentage. Additionally, you can refer to the manufacturer's instructions for specific indicators related to your model. If your power bank has a charging cable with a built-in indicator, it may also signal when charging is complete.