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Batteries

Batteries are sources of chemical energy that are used in circuits to provide electrical energy for a wide range of useful devices. Any questions and answers regarding batteries or other power supplies would be welcome here.

4,818 Questions

What type of batteries do you need for a metal detector?

I imagine metal detectors are different. Mine uses two 9 volt batteries.

Does the cold drain power out of batteries?

Depends... What KIND of batteries? Car batteries IDK cause I don't drive. But I know for regular like the batteries that you put into toys or whatever helps. Especially if you put them in the freezer. Hope this kinda helped. :DD

Does the number of batteries change the brightness of the bulb?

It will if the batteries are connected in series. If they are connected in parallel, the lamp will burn longer, but not brighter.

Why does a battery go dead?

coz the chemical reaction within the battery eventually stops

Replace battery for keyless remote for GM Cars?

Generally the solution to these problems is don't disconnect the battery from the car. In order to change you battery you need to connect a small 12 volt battery to the terminals before you disconnect the car battery. It need not be a large battery since the drain will be minimal and the time short. A set of flashlight batteries works fine. Mercedes are particularily difficult because you loose the radio among other things if you disconnect the battery. You must get a dealer to reset it. This negates anything you save by installing your own battery. Note a battery charger also works.

How many times can you refinance a car?

You can refinance as many times as you need to really. As long as the car is fairly new (2001 or newer) and you still owe a good amount on it, refinancing is possible. It'll just get harder to do as time wears on

What year was 9v batteries made?

4 online sources report that the 9 volt battery was introduced by Eveready in 1956.

Where do you find replaceable battery for blueparrot headset vxi b250-xt?

You can get a battery for your b250xt blueparrott on ebay price is $9.99 free shipping

Is it ok to charge an iPod battery before it is fully discharged?

It is always good to charge a battery to its full capacity before it is fully charged.

Is a AA battery a 12 volt battery?

No, a double "a" battery is a 1.5V battery.

No, a double "a" battery is a 1.5V battery.

What are d batteries commonly used for?

D batteries are commonly used for large flashlights, radio receivers, transmitters, boomboxes, safety systems, megaphones, etc. The use of these batteries are for applications of long-lasting run time.

What is the point of a battery?

If you did not have a battery, the circuit would not have any electricity to make a change on something. Basically, a battery is a power source. It creates a difference in charge (positive and negative ends) that causes a flow or electrons through the wire which is electricity!

How long do rechargeable batteries often last for?

Rechargeable batteries usually last 300 to 500 cycles which is when a battery is at 100%, then is drained to 0% and charged again. Even if you do not drain it completely and recharge the battery, it is still considered a cycle.

Does a riding lawn mover use 12v or 6volt battery?

Riding Mower BatteriesI've bought several riding mowers over the years, and I've never seen one with anything but 12 volt batteries.

I supposed it's possible, but the starter and electrical system would have to have been designed, manufactured, and installed for use of a 6 volt battery.

What has the memory a phone or its battery?

The phone circuits contain the working memory of the phone.

Most lithium ion rechargeable batteries (like those used in phones and laptops) contain a tiny printed circuit board with a Flash memory chip, temperature sensor, etc. inside its case. The microprocessor in the phone (or laptop) will periodically update statistics in this Flash memory chip to keep track of battery health. When you replace the battery this Flash memory chip goes with it.

How much does a lithium battery cr2032 cost?

A lithium battery cr2032 battery does not really cost that much. You should be able to find these batteries in the store for $3 or $4 tops.

How do i get battery level in javascript?

That's not possible. Javascript is a browser-based scripting language. Thus, it only has access to DOM objects. If you are making a desktop application and want access to that sort of thing, try Visual Basic, C, C++, C#, etc.

What is the battery life of a 9 volt battery on a 3.5 volt of a bulb?

The battery life (assuming it is a primary cell) is determined by the Ampere-hour drawn from it. You cannot connect a 3.5V bulb directly to a 9V battery. The bulb will fuse.

How much voltage does a PP3 battery produce?

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How many disposable batteries does America use?

America doesn't use any disposable batteries per se.

Americans however use too many to even estimate.