Love this remote Bluetooth battery monitoring

**DiscoJeffster** · 30th January 2019, 09:13 PM

Fitted three last night. Find the app a little hit and miss when it comes to reconnecting (4 battery app). Have had to reset the app (double tap swipe up, end it) to get it to connect to the monitors. The data is good. Interesting to watch how a Disco is charged and how it will take a well charged battery and let it run down. I understand it’s trying to balance its charging level but I can also see how short trips can equal a flat battery more than vehicles without ‘smart’ alternators.

**drivesafe** · 31st January 2019, 02:21 AM

Hi Disco, that graph also shows you have a fully charged battery in the lead up to your drive.

If you discharge your cranking battery a bit, you will see how the SMART alternator operates to get the battery back up to a fully charged state while you are driving.

Also note, there are differences in how a D3, early D4 and the later D4 alternators operate.

**DieselLSE** · 31st January 2019, 08:38 AM

Originally Posted by drivesafe

...Also note, there are differences in how a D3, early D4 and the later D4 alternators operate.

Hi Tim,
When you have a bit of time, could you elaborate on that? Or point to a previous post where it is explained?

**DunnToImpress** · 15th February 2019, 02:37 PM

Bugger, I accidentally deleted the BM3 app off my phone and now it doesn't seem to be on Google Play anymore!!! Can't seem to get it back!!

**Plutei** · 15th February 2019, 02:47 PM

I just downloaded it yesterday, should be there

**DrDeath** · 28th February 2019, 11:47 AM

So, has anyone found their batteries secretly sending their Landy’s intimate details or locations off via secret sino-software spies, or finding some intense urge to drive north west, or noting untoward power leakage or more frequent pushing or anything yet ?

... otherwise, I might get one too ... but let me see, I’ll need an automotive radiation and software firewall first ... and a tightly tuned active antenna to reflect malicious code, then a managed switch ... oh, and an extra two batteries to drive all that ... and more software monitoring devices ... and an extra firewall ... bxxxxy batteries must be losing power somehow ... probably the secret Chinese software ..

**barney** · 28th February 2019, 11:59 AM

Originally Posted by BrianElloy

Here it is: Multi-Battery Monitor by dacheng Multi-Battery Monitor on the App Store

For those of us with Android devices, here it is on Google Play for free https://play.google.com/store/apps/details?id=com.dc.bm3test instead of $13.99 .

**Ozzy119** · 10th March 2019, 01:15 PM

Thanks for the tips. Fitted and now I realise how low the D4 charge rate is. I appear to be averaging 13.71v at the Aux battery under normal driving.

**Ferret** · 10th March 2019, 01:33 PM

Put your foot on the brake or coast a bit. Does it jump to ~14.4V? If so all is normal.

Your battery could just be pretty much fully charged as well.

**Ozzy119** · 10th March 2019, 02:44 PM

Originally Posted by Ferret

Put your foot on the brake or coast a bit. Does it jump to ~14.4V? If so all is normal.

Your battery could just be pretty much fully charged as well.

Not yet. I've only travelled a few KM with it so far, but never got it (hard foot down) above 13.81

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