I have just plugged in my BB USB charger into the Jawbone and it is charging(charging from my laptop). Not sure if the BB wall charger works with the Jawbone....
because you have just plugged it in it checks if it is a charger
There are different things it may mean. My macbook said that it wasn't charging even though it was plugged in, and it turned out that the reason was because the charger was plugged in the wrong way :) (the charger should be facing out, away from the laptop)
Yes you should have it on your charger when you are at home and not using it
A charger does use power when not charging the computer if it is plugged in. Not as much, but definitely some. How much depends on many factors. It is a good idea to unplug it.
You may need to replace the battery, charging port, or your charger. It may not be charging correctly.
Standby power <><><> Sometimes referred to a "Vampire Usage"- the power consumed by leaving a charger plugged in, even when not charging a device.
Most electronics will consume a little power even if they are off or not in use. In the case of a cell phone charger, you may notice that if it is plugged into the wall, but there is no cell phone charging, the charger will still be warm. I don't know the physics behind that, but anything that is plugged in will take up a little energy, even when not in use.
you get a new charger
Everything that is plugged into the mains socket and switched on will use electricity even if it's a battery charger with no batteries in. So yes they do draw electrical power from the mains.
There could be many reasons. Here are a few of them:The wrong cable is attached.The charger isn't actually plugged in.The charger is connected to your computer instead of the wall port and the computer port doesn't have enough power to charge it.The connecter might be loose or not all the way plugged in.The cable could have a short.It might need to be replaced.
The light on the dual charger will turn green. When it is charging the light is red.