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How high of a voltage can be used to charge a 12 V car battery?
Wiki User
∙ 9y ago
15.5 volts
Wiki User
∙ 9y ago
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How much voltage should be used to charge a 7.4 volt battery?
7.4 volts.
Can a 0.9V 400MA solar panel be used to charge 2 AA batteries?
To charge a battery, the charger voltage must be higher than the battery voltage. If a AA battery (or any other) has a normal voltage of 1.2V the charger voltage must be at least 1.2V. The type of voltage supply and its current capability is immaterial. No, the charging voltage have to be larger than the battery voltage, to charge 2 AA batteries, that is 3 volt if connected in series, so a voltage of at least 4 volt is needed
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If both batteries are of the same voltage (12 or 6) yes, you can use the charger. make sure that they are of the same voltage.
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If you connected a battery to a usb cord with some wire and connected that to another device would it charge?
depends on the voltage of the battery being used. USB voltage is 5 volts DC. If you use a car battery, which is generally 12 volts, I would think your device would not like this. But to answer your question. Yes, it will charge. But not properly if you do not use the correct voltage.
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Can a 7.5 volt charger be used on a 9 volt appliance the appliance is a weighing machine?
No. The voltage of the charger's output is only 7.5 volts. This is not high enough to charge a 9 volt battery device.
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The coil is a high voltage transformer, used to step up battery voltage to 50,000 volts to fire the spark plugs.
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Can any battery charger charge a marine battery?
Chargers don't care is the battery is used on a boat, a car, or whatever. What is important is that you match the voltage of the battery and the charger. Don't use a 12volt charger on a 24volt battery, etc.
Which supply is used in alternator?
Usually one that can maintain the voltage at 12 V so that it can safely charge a 12 V battery.
How long time will be taken by the 12V 7Ah charger to charge a 12V 22Ah battery?
A charger designed for a 12 volt battery should not be used to charge an 8.4V battery. It is likely to damage the battery and in the worst case can cause a fire. There are some chargers that can be used with a variety of battery voltages and chemistries but unless you are certain that the charger is safe and effective on a different battery voltage, assume that it cannot be used.
