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Can you charge a 12V battery with a 24V battery charger?
No
Can you charge a 24V battery with a single 12V charger?
No, you need a 24 volt charger.
Can a 24v charger charge a 18 v battery?
No it cannot.
Can you charge a 12 volt battery with a 24 volt charger?
I can if I charge 2 of them at a time. Most 24 volt chargers also have a 12 volt setting. What is hard to find is a 32 volt charger. We can charge a 12V battery with 24V charger, by connecting two 12V batteries in series i. e. the negative terminal of the first battery is connected to the positive terminal of the second, now the charger positive terminal is connected to the first battery positive terminal and the negative terminal of the charger is connected to the negative terminal of the second battery.
Can you charge batteries in series with 2 separate chargers in parallel?
Not in parallel NO - unless each charger is twice the voltage required for a single battery. For example if you had 2 x 12V batteries and placed the in series, you would have a 24V battery. If you had two 12v chargers and put then in PARALLEL with each other, you would then have a 12v charger with double the current handling. Of course if the chargers were 24v ones, then it would work fine. if you have 2 x 12v batteries (for example) and wished to charge them with separate chargers (actually quite a good idea), then each charger would be over each battery. So the batteries would be in series, the chargers would also effectively be in series too. Basically another way of looking at it would be two have a 12v battery with a 12v charger to your left and then on the right another 12v battery with a 12v charger on it. Yes you can connect the two together in series. The only slight caveat is that the chargers must be isolated from each other - and not for example a "dual output charger" which simply has an extra pair of leads but a shared charging system. - 12v + - 12v + ---------+-BATTERY---+----------+--BATTERY--+-------- - | |+ - | | + |=CHARGER=| |=CHARGER=| - <------------------------------- 24 v ----------------------------> +
Can you put a 24v battery in a 12v car?
No
Can you use a 24v battery charger on a 36v battery?
No, you need a 36 volt charger.
Can I replace three 8 volt batteries with two 12 volt deep cycle marine batteries in golf cart.?
it should work as long as the batteries are connected in series + to - what you would need to check is if the charger for the cart charges 24v or 8v if it is 8v you would need to get a 24v charger for it it would be possible to charge the batteries with a 12v charger but it would need to be hooked to each battery separately
What happens if you charge a 12 volt battery with 24 volts?
yes, only if you have 2 12v batteries ran in a series(24v)
How do you build a battery charger for 12v and 24v with variable current ratings?
It is possible but it is too involved to explain here. You would need a printed circuit board and a schematic to build what you want.
Can you connect a 24v 30amp alternator to a 200amh 12v battery to charge it?
You can do anything, but is it safe or proper. No The 24 V will eventually overcharge the battery after a while and start damaging it. (A flammable gas is produces and the battery could explode.)
What charger do you need for a 24 volt battery?
The formula you are looking for is I = W/E. Amps = Watts/Volts. 300/24 = 12.5 amps. A good charger with an output of 15 amps will do the job nicely. The time that it will take to charge the battery will depend on the amp/hrs of the connected battery and the state of discharge that the battery is in when charging starts.
