12v battery monitors

[JJR]

Has anyone installed a wireless 12v battery monitor?
Amazon has ANCEL BM200 Pro Car Battery Tester Battery Monitor 433mhz Wireless... listed and I'm wondering if anyone has tried this or another brand.
I think it's a good idea to know what the battery voltage is rather than relying on the computer to decide whether it's time to let me know.

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[Chuck]

Just get one that plugs into the cigarette lighter.

 

[Mach-Lee]

Just get one that plugs into the cigarette lighter.

That only works while the car is on, the 12V ports shut off about 15 minutes after the car is turned off.

 

[DevSecOps]

Has anyone installed a wireless 12v battery monitor?
Amazon has ANCEL BM200 Pro Car Battery Tester Battery Monitor 433mhz Wireless... listed and I'm wondering if anyone has tried this or another brand.
I think it's a good idea to know what the battery voltage is rather than relying on the computer to decide whether it's time to let me know.

I would recommend PowerMon X if you really want to monitor it. There's no reason to do so unless it's just for curiosity sake. A properly working vehicle should top off the LVB whenever it's needed. The fearmongering about LVB issues is remnants of Job1 early 2021 vehicles that had an issue. It's been resolved years ago and there's really nothing to worry about.

But if you insist...

https://www.thornwave.com/products/bluetooth-battery-monitor-dc-power-meter

 

[AngryMan]

Might I suggest the Ford Status Widget that one of our Mach brothers has designed. It's what I use to keep an eye on my 12 v battery .
PS THANK YOU for the widget gentlemen .

 

[TheVirtualTim]

That only works while the car is on, the 12V ports shut off about 15 minutes after the car is turned off.

You can put the car in 'accessory' mode and you can get the reading. If you 'start' the car then the high-voltage battery gets connected and the 12v port will almost immediately read 15v (not a true indicator of the 12v). But as long as you don't really start the car, you can get a reading of the 12v battery level.

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