Parallel batteries | off-grid ham shack
Published 2023-12-29
73
Julian #oh8stn on #solarpower
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00:00 Introduction
00:45 Jumper connections
01:08 Charge controller wiring
01:30 Discharge wiring
01:51 Making the connections
05:04 Measure with multimeter
06:13 Safety Tips
06:35 Related posts
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All Comments (18)
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Hello Operators. Easy tutorial today. This time, we're learning how to connect two 12-volt batteries in parallel. We do this to increase the capacity of our solar storage, using two identical batteries. This video was made possible by @powerqueenbattery 73 Julian #oh8stn Share video url: youtu.be/MyJyMVAurHY Related post: oh8stn.org/blog/2023/12/21/building-an-off-grid-so…
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Thanks for showing not only the "how" to do something like this, but also the "why" you do it that way. Double the learning 👍
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Julian, glad you’re back on your feet. Thanks for the easily followed video and the clear dos and don’ts. Keep up the good work. 73s. Tim, KO4EZG
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Solid information that should help anyone searching YT for battery tips. I also try to pair up batteries with a matching batch/date code. Glad you're feeling well enough to share your wisdom. Thank you.
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Great stuff as always Julian, and very timely. This subject came up last night with some newer Amateurs. I've shared this with them this morning. Thanks for all you do!
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I am really enjoying this off-grid ham radio station series! Glad to hear you are feeling better. Happy New Year Julian!
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I didn't know you were ill...but glad to see you're on the mend. Thanks for all you do!
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This will be great for new hams! Nice job on the tutorial!
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Excellent basic video!
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Glad you are feeling better Julian!
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Long time no see. Glad you are feeling well again and back to tinkering, Julian.👍🤠
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Just getting caught up on your videos. I didn't know that you were sick and missed out on work! Boost headed your way! 💸 73, Mark, N2XDO
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Looks great Julian! How much of a voltage difference is allowable? Yours were showing 1/2vdc difference. What would be the maximum difference allowable? Thx, de Kx4tq
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Nice video, but I'm wondering why you use separate cables for charge & discharge I wire them all to a multi fuse harness so that charge controllers and the discharge all go through a separate fuse, but in the same panel. (I use ANL fuses as they can handle higher currents but also have low current fuses in ANL format)
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The batteries will always charge and discharge to the same voltage through the parallel strapping, there is little point in wiring neg to one battery and pos to the other. Indeed it is impossible to follow your recommended wiring for 3 or more batteries in parallel. It is also fine to have batteries having the same chemistry but of different capacities for parallel connections since again each battery will charge and discharge to the same voltage. It is series connected batteries that must be of equal capacity.
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Too basic for this channel...feel better soon!
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Thanks Julian 73 KJ7JYJ
