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Unread 01-04-2016, 17:16
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GeeTwo GeeTwo is offline
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AKA: Gus Michel II
FRC #3946 (Tiger Robotics)
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Re: Multiple batteries?

Don't put the batteries in series; put them in parallel. Putting them in series will increase the voltage.

That is, all of the + leads should connect to one point, and all of the - leads to another.

If doing this, it is best not to mix "good" and "poor" batteries; try to use batteries that have about the same amount of history and health at any given time.

As long as your main breaker is no larger than 120A, you can continue to use the same wires as you use for FRC competition. This means that your combined battery will last longer, not produce greatly increased power.

We use 2 batteries in parallel on our air cannon so that we do not have to do battery changes during a game, and have not had any issues.
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