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Discussion Starter #1 (Edited)
I have 2 packs, 4S 12.8 VDC CALB LiFePO4 each.
I am looking for an SOC meter/fuel gauge, one for each pack. Can anyone direct me to a good SOC meter for a simple 4S pack? I have seen those Cellmeter-4,-8 things but they are tuned to Lipo specs. I need one for LiFePO4/CALB/SkyEnergy cells with 4 in series.

Thanks in advance.
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Discussion Starter #3 (Edited)
Though that product will work, it is rather heavy on the price for a small pack.
Sorry, I guess I should have mentioned cost is an issue. $60 is my max.
My packs are just 4 40AH CALB cells with a BMS board.

Thanks
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The problem with the cell-log devices is that they only measure voltage. Measuring voltage ONLY is NOT a good method to use for measuring SOC.

You really need to measure Amps/Volts in, and Amps/Volts out to count Watts.

Its going to be hard to do with only $60.
 
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