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AGM battery for Gen 4/Gen 5 Prius/Prius Prime and observations on the 12-V charging system

Discussion in 'Gen 5 Prius Main Forum' started by Gokhan, Sep 20, 2024.

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Gokhan Senior Member

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Paramount CA

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2021 Prius Prime

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Limited

RandyPete said: ↑

I have 4 BM devices in place on vehicles (AGM and Flood batteries) and one for Lithium batteries on a trailer with a LiFePO4 battery. Each one is a little variation of the voltage measured with a fluke meter. I think they all read a little low maybe by 0.1 volt compared to the fluke at 14v point. Its been a while since I compared the BM v to the fluke v, I'll check again when I have the opportunity and choose to spend some time doing that. I think you stated somewhere in one of your posts that your BM voltages do not exactly agree with meter voltage readings.
Click to expand...

Actually, no, I got lucky, and I verified my BM2 battery monitor to be accurate within 0.005 V against several calibrated Rigol DM3068 6-½-digit bench digital multimeters.

#141 Gokhan, Nov 16, 2024 at 4:52 PM

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