how many watts does a 12 volt battery charger use?

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Answered: Can I use a 12 volt, 6 amp battery charger to charge a 12 volt, 5 amp

Yes you can use 12Volts 6mah to charge 12Volts 5mah battery. Although it has small effect, you noticed that your battery will discharge faster than charging it with 12V 5mah.

Answered: I have a 24 volt system with two 12 volt batteries ...

Assuming you mean to connect your "common ground" between the two batteries and use a SPDT switch to select batteries your system won't work. It will work if you use a DPDT switch and eliminate the common ground idea. In this configuration the two center terminals (switching) connect to your meter ...

Answered: Can i charge 110 abattery of motrhome battery when driveing

If your motor home complies with DOT, and has a 120 VDC system, then your batteries are connected in series, have a voltage regulator, and cannot over-charge under any conditions. Dual-alternator systems on Midas and Chinook motor homes are sufficiently robust never to suffer problems in normal ...

Answered: I need a circuit that can charge four 6 volt NiMH batteries at a time.can

Yes,I can be done.We can designed and manufactured this.

Answered: Pv panel charges car battery?

Mark, as long as there is an electric output from the battery that is higher than the solar panel's input, there is no problem. You can wire the solar panels directly to the batteries without arming them. The problem comes when the battery is full, because there is no way to auto-cut the electric ...

Answered: Can i use a 8 volt charger on a 6 volt portable tv.

No, you need a 6 volt charger for your portable TV.
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12 volts bulb on a 6 volt system

Yes you can. You need to add relay for the 12volts light bulb to prevent you CDI (capacitive discharge ignition) circuit from frying.

I have twelve 6 volt batteries how can I wire them so that I end up with

The answers given were excellent ! Especially the pictures... You should also consider getting a basic book on electricity and batteries, available at your local library, or even a Radio Shack store!

4 6 volts _ I need 12 v output for auxillary device

You appear to have a 12 VDC system for your RV already. You have two sets of 6 volt batteries in series for 12 VDC in parallel with another pair to give the motor home more reserve electricity when you are not running the engine. Simply make your connection to one of the two negative posts ...

Is there a way to get 24 volts out of 3 12 volt bateries

Connect TWO of these batteries in series.