Group 23 in Parallel w/ Group 34

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Group 23 in Parallel w/ Group 34

Postby Rye » 12 Jan 2021, 19:02

Would there be any harm in wiring a new group 24 Mk with a new group 34 Mk in series?
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Re: Group 23 in Parallel w/ Group 34

Postby Rye » 12 Jan 2021, 19:03

Ignore the title. I'm wiring in series to get 24v
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Re: Group 23 in Parallel w/ Group 34

Postby LROBBINS » 12 Jan 2021, 19:10

Mismatched batteries wired in series will have a very short life - during charging one will be over-charged and the other under-charged, a situation very bad for both.
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Re: Group 23 in Parallel w/ Group 34

Postby Rye » 12 Jan 2021, 19:16

Ok, thanks. I'll buy another battery
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Re: Group 23 in Parallel w/ Group 34

Postby Burgerman » 12 Jan 2021, 19:24

Connecting an old and a new in series = soon to throw away both of them.
Connecting a different brand or type of battery = same thing.

If connecting batteries in series they MUST be same age, brand, batch, history. As a pair. From new. You cannot successfully add one replacement to a pair unless new or almost new within a few cycles.
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