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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 are the symptoms of defective coil?
A defective coil can cause an engine to run erratically or not start at all. Coils can weaken, causing insufficient spark. A coil can also breakdown once it heats up then work when it gets cooled down.
How do you discounect the Vigor's alarm system you feel it is draining the battery?
I have been having a problem with my factory alarm also. I have read about 20 posts on various sites suggesting hte same fix. I called my mechanic and car stereo store to confirm this would work and they all agreed it would. Open the hood and bend the little switch that detects if the hood is closed. This will make the factory alarm think that the car is not closed up and it will not alarm itself. Hope this helps rusty0628@yahoo.com
What is the difference between a button cell battery AG10 and LR130?
Except for name, No Difference - Both works thesame.
My calculator uses two batteries: I had an AG10 and LR130 in at once.
Works Perfect !
Is a 12 volt adapter the same as a 12 volt charger?
Yes it is in principle, but two things have to be checked.
First if it is nominally 12 volts, it might not produce exactly 12 volts, and this needs to be tested so damage is not done to whatever is connected.
Secondly, the adaptor/charger has to be able to supply enough current (amps) for whatever you are connecting to it.
How many 12 volt batteries to run a 1.5 horsepower water pump for 1 hour?
1 hp is 746 watts but you have to allow extra for losses. So for 1.5 hp you need about 1400 watts to be supplied, which at 12 v is a current of 117 amps.
A car battery is about 40 amp-hours therefore 3 batteries would be needed, connected in parallel, 4 to be sure. Also needed is an inverter to convert 12 v to the voltage of the pump motor, and AC 50/60 Hz if that is what it needs.
Where is the battery on a 2005 fatboy?
remove the bolt at the rear of the seat and remove the seat. the battery is under there
How long does it take to charge a 7.2 volt 1100 mah battery using a 9 volt charger?
It depends on the charging rate of the charger. Here's how to calculate it:
Battery capacity divided by the charger's rate = charge time in hours Example: Charging rate = 1000 mah
1100 / 1000 = 1.1 hours
Example: Charging rate = 600 mah
1100 / 600 = 1.83 hours
However the actual output of these adapter chargers is never what is printed on the label so you would need to measure voltage and current to be more accurate.
What all do you need to add a second battery to your car?
A location to secure it, and proper wiring. You will need to wire it parallel, not serial.
There sum you're looking at is similar to the partial sums of the harmonic series (which actually starts with 1, but is otherwise the same). The sum 1 + 1/2 + 1/3 + ... + 1/n is the nth harmonic number. Unfortunately, there's no explicit formula for the harmonic numbers. However, they can be approximated quite well by ln n (the natural logarithm): in fact, as n gets large, the difference between the two approaches the constant 0.5772... (the Euler–Mascheroni constant).
What is a Battery terminal puller?
Though there are several brands, battery terminal pullers all work on the same principle and basically are similar to "gear" pullers, except smaller.
They have a couple of "fingers," the tips of which grip underneath the bottom edge of the loosened battery terminal to be removed, and they have a threaded rod [acts like a push rod] which contacts the top of the battery terminal.
When the finger "tips" are hooked beneath the terminal clamp, and the pusher/plunger is screwed inward, the fingers are pulled upward, pulling the battery terminal with them.
To prevent damage to the battery terminal, the terminal clamp, and the puller it is critical that the locking screw of the terminal clamp be completely loosened before attempting to pull the clamp.
How do you replace struts on 2004 expedition?
The struts on a 2004 Ford Expedition are replaced by jacking the vehicle up, removing the wheels, and removing the strut retaining bolts. The old struts can then be removed and new struts put in their place.
The word "length" is the noun form of the word "long." An example of a sentence using the word "length" is "The box has a width of 2 feet and a length of 7 feet."
What is magnetic effect of electric current?
A magnetic field is induced around any conductor carrying an electric current.As
explained in the Oersted Theory.How do you tell which is the positive battery terminal?
If the battery has round terminals
the positive is the larger diameter of the two
