do you mean a CMOS battery? if so it is one of those flat batteries that look like a nickel.
volts is the meaning of which something is powered by a battery.
The meaning of w126 is the wattage of a battery. This describes the amount of energy and work the rechargeable battery is able to produce once it is fully charged.
It means that your device's battery is dead. It's a warning that the battery MUST be replaced!
The battery symbol on electronic devices represents the power level or status of the device's battery. It indicates how much charge is left in the battery and when it needs to be recharged.
Never heard of a half battery. I have heard of half battery life, meaning the battery is half charged. The voltage of any battery is the same at half charge as it is at full charge.
It means, that the battery is half empty. And you might want to consider charging it soon.
The same way you charge a car battery. The only difference in them is that the marine battery is a deep cycle battery, meaning it is designed to be run completely down without damaging the battery. Ideally you need a charger designed to charge deep cycle batteries but you can charge one with a normal battery charger.
The Battery, if you are meaning electrical charge in a laptop?
The third terminal is a communication between the battery electronics and the mobile phone, it is like a one wire communication to tell the mobile phone the state of the battery etc.
If a battery is "shorted", meaning that its terminals are connected together through a low resistance, high current flows in the connection and the battery becomes discharged very soon. It makes no difference whether any part of the battery is connected to ground.
It usually means your battery is low (or even damaged) or is not beeing charged anymore. Look up the exact meaning of it in the book that came with your car.
You have to energize that battery before it will power your cellphone again.