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What is low battery voltage?

Updated: 8/11/2023
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9y ago

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It's what happens when a battery is about to expire.

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Q: What is low battery voltage?
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What is used to provide low voltage enrgy?

Assuming 24 volts or lower is implied in the question, low voltage energy can be taken from a battery or from a low-voltage transformer fed from the house supply.


What type of current only consists of direct current at a low voltage and high amperage?

battery


Does the size of battery indicate a high or low voltage?

No, the voltage is determined by the technology of the cell: Ni-Cad 1.2 v Alkaline 1.5 v Zinc chloride 1.6v Lithium 3 v


Why is the internal resistance of a voltage source made to be low?

When a voltage source, such as a battery or a generator, is on open circuit -in other words, when it is not supplying a load- the voltage appearing across its terminals is called its 'open circuit voltage' and corresponds numerically to its electromotive force.However, when the voltage source supplies current to a load, that current also passes through the voltage source itself. This causes an internal voltage drop, which is the product of this current and the voltage source's internal resistance. This voltage drop acts in the opposite direction to the electromotive force and reduces the source's terminal voltage. This internal voltage drop will increase, of course, if either the load current increases or the internal resistance increases.So, in order to keep that the source's internal voltage drop is as low as possible, its internal resistance must be as low as possible. In the case of a battery, the internal resistance is due to the ionic resistance of the electrolyte/plates, whereas in a generator it is due to the resistance of the windings.


15 watt load battery 20 ampere-hour how much time battery used?

Assuming your battery supplies a constant and exact voltage of 12VDC, then your 15 watt load will draw 15 W / 12 V = 1.25 A. Your battery can provide 20Ah, so you'll drain it in 20Ah/1.25A = 16h. Note these are only theoretical values; a real battery doesn't behave like that. The voltage is likely to be higher than 12VDC on a fully charged battery (more like 13..14VDC in a typical car battery, for example), and the voltage will drop over the discharge. Just how the voltage drops (how fast, how low) is a function of the battery (design, quality, age) and environment (temperature, possibly altitude).

Related questions

What does the Low Battery Voltage message indicate on Volvo S80 2001?

It means the battery voltage is low. Can be the battery is defective or the alternator is failing.


Does the low voltage battery damages starter?

No


How is it possible to have a high current with a low voltage such as in a car battery if current equals Voltage divided by Reistance then shouldn't a low voltage produce a low current?

It's all relative. A battery has internal resistance. Batteries are not "ideal" voltage sources. If there is a "heavy" load on the battery (low resistance), the voltage you measure on the outside of the battery will be lower. A car battery is normally thought of as a 12 volt battery. When there is no load (disconnected) you can often measure in excess of 13 volts if it's fully charged. During normal cranking of the engine, the voltage can drop below 11 volts.


Volvo s40 remote key voltage low?

On Volvo S40 2004 onwards, when the remote key battery voltage is low a text message is displayed in driver's information message screen that the remote key battery voltage is low which means the remote key battery should be replaced. .ab.


What causes of a lean exhaust?

because of low battery voltage


What is fault 9318 on Ford Focus?

Low voltage from battery


What is used to provide low voltage enrgy?

Assuming 24 volts or lower is implied in the question, low voltage energy can be taken from a battery or from a low-voltage transformer fed from the house supply.


Why would your battery light stay on after you have put in a new battery and alternator?

The battery light comes on when the alternator output voltage is too low or too high. You have a wiring or regulator problem.The battery light comes on when the alternator output voltage is too low or too high. You have a wiring or regulator problem.


Can you use a high voltage capacitor on a low voltage battery?

Yes. You just don't want to exceed the voltage rating of the capacitor.


Powertrain Control Module plus BB Voltage Low?

Low plus bb voltage to the Power Train Module means that for some reason the voltage actually is too low. Check the battery an alternator for the proper voltage output.


2002 f150 clicking noise wont start?

Low battery voltage .?


How can high and low voltage be stablise to stable 415V AC?

High and low voltage can be stabilizes in a 415V battery, by ensuring that it is being spread across the battery evenly. It is important that all of the energy not come from one area.