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Odd Electrical, Six 6 Volt Batteries


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haemphyst 
Platinum - Posts: 5,052
Platinum spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: January 19, 2003
Location: Michigan, Bouvet Island
Posted: May 24, 2018 at 10:50 PM / IP Logged Link to Post Post Reply Quote haemphyst
I've never tried, and I hope there's a possibility that I can still do this.
I have a golf cart. The electrical system is 36V, and it is six, 6-volt batteries wired in series. This wiring allows me access to voltage taps at 6V, 12V, 18V, 24V, 30V, and 36V. Now, if I were to simply tap the array at 12V for my amplifier, I would load those two batteries more than the remaining 4, causing them to age more dramatically. What I want to know is this:
CAN I, tap that array at 3 points, say, with diode isolation, and have a 12V power source, that loads and ages the batteries the same, or do I HAVE to spend the cheddar to purchase a 36V to 12V converter, a la:
https://www.amazon.com/s/ref=nb_sb_ss_i_1_9?url=search-alias%3Daps&field-keywords=36v+to+12v+converter+for+golf+cart&sprefix=36V+to+12%2Caps%2C1185&crid=1UHSCI7HBRSPH
Let me know... anyone?
It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."
Ween 
Platinum - Posts: 1,302
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Joined: August 01, 2004
Location: Illinois, United States
Posted: May 24, 2018 at 10:57 PM / IP Logged Link to Post Post Reply Quote Ween
The batteries will be loaded incorrectly, as stated. A converter of some type is required. Diodes won't help in this case.

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