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can i run 3 12 volt 5AH batteries in series to equal 36 volt

## can i run 3 12 volt 5AH batteries in series to equal 36 volt

[From: Engineering] [author: ] [Date: 03-08] [Hit: ]
can i run 3 12 volt 5AH batteries in series to equal 36 volts then run 1 in parallel to increase the amp hours?......

can i run 3 12 volt 5AH batteries in series to equal 36 volts then run 1 in parallel to increase the amp hours?

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Mr. Un-couth say: Yes.
1.
Connect three 12V, 5Ah identical batteries in series to get 36 Volts total with 5 Ah capacity.
2.
Connect a separate identical set of three 12V, 5Ah batteries to create another 36 Volt battery with 5 Ah capacity. 3.
Connect the two 36 Voltage sources in parallel to obtain one 36V source with an Ah capacity considerably greater than 5Ah but probably less than 10 Ah.
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frank lynn say: No. But you can run two parallel sets of 3 batteries is series to get double the ampere-hour rating and provide 36V. That means 6 batteries total.
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Maybe it's just me say: Forget the one in parallel.
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roderick_young say: Short answer is no, not without additional safeguards such as blocking diodes.

You can run 3 12V, 5AH in series for 36V, 5AH.

To get more capacity, use 3 larger batteries in series, for example, 3 x 12V 20AH.
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Ronald 7 say: Yes as long as you avoid shortages
Energy always picks the shortest way
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lee26loo，異域秦後人 say: YES, IT CAN BE DONE, BUT REQUIRE TO ADD A BLOCKING DIODE FROM EACH CELL CHAIN BEFORE PARALLEL THEM TOGETHER. THIS WAY TO AVOID POSSIBLE DISCHARGING BETWEEN TWO CELLS CHAIN.
CHOOSE RECTIFIER DIODE AT LEAST ABLE TO HANDLE 50A OR MORE.
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Philomel say: No you need 6 batteries. 3 series in parallel with 3 series. They need a double pole power switch.
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Joe say: The series stack is safe.

Tying two series stacks together in parallel... unless they are absolutely identical, you'll wind up with current flowing from one into the other. That's not good.
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DeMoNsLaYeR575 say: no...
because the 1 in parallel will only have 12 volts and will drain MASSIVELY possibly causing a small fire.

you must have an EQUAL number of batteries in series and in parallel.
2 sets of batteries in parallel in series would be best
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billrussell42 say: you can connect them in series to get 36 volts at 5 A-hr

or you can connect them in parallel to get 12 volts at 15 A-hr
PS, connecting batteries in parallel is bad bacause one could discharge into the other. They must be identical and of an equal age and with equal charge for this to work.

you can't do both at the same time, one or the other.

"1 in parallel" ? what does this mean, can't have only 1 in a parallel combination.
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