Love this remote Bluetooth battery monitoring

**SeanC** · 11th March 2019, 09:39 PM

Originally Posted by Ozzy119

So we made it to the dizzying heights of 13.94v on three trips today. All were over 30mins travelling time. That magical 14.4 is looking like an urban myth in the smart alternator world ha ha. No wonder the KK bank of 6 AGMs (200amp hrs) doesn't get a decent charge, even with a large volume of driving hrs in the day.

Brian, your cranking battery might just be on the way out. They just do that. No warning, no rhyme or reason.

Just over 13.8 volts is the maximum I get while driving in my D3 and 14.3 volts on the charger.

**BrianElloy** · 12th March 2019, 12:37 PM

Originally Posted by drivesafe

Hi Brian, you need to post up your battery voltage readings so we can see if there is a problem or if it is a software issue.

It is commonplace in D4s to still get a “Low Battery, Start Motor” message, even though the cranking battery is fully charged.

Try doing a HARD RESET and see if this fixes the problem.

Again, post up your battery voltage readings.

Yesterday’s readings (crank battery only) . Shows trickle charge going for s drive and then idle.

I did a hard reset (removed negative terminal for 15 mins) and the message went away but surely this is not required

Aux has been disconnected

**drivesafe** · 12th March 2019, 06:41 PM

Originally Posted by BrianElloy

I did a hard reset (removed negative terminal for 15 mins) and the message went away but surely this is not required

Hi Brian and this is something that only seems to occur in D4s, and randomly.

I first came across UK D4 owners having to resort to a hard reset after charging the cranking battery, but it is only required in some D4s.

My guess is it is some sort of software glitch.

**Ozzy119** · 14th March 2019, 05:54 PM

So my apps says battery is at 98% at 12.46v. Do these two values really correlate as true ?

**SeanC** · 14th March 2019, 08:01 PM

Originally Posted by Ozzy119

So my apps says battery is at 98% at 12.46v. Do these two values really correlate as true ?

12.38 volts on mine was about 65%.

**Mog60** · 15th March 2019, 07:52 PM

Have a look at the state of charge "resting" chart in Post 26 from Tim (Traxide)

Traxide Dual Battery Voltages

**alpick** · 16th March 2019, 11:13 AM

Bought three units off ebay

galaxyS10. Android 9. 4.9 bluetooth 5

Monitor unit asks for Bluetooth pairing code, none on instructions, guessed it, 000000.

unit pairs with phone

BM2 app. Monitor will not connect with phone

BM3 app. As above.

guessing software compatability issue.

Anyone else?

Works as advertised on my ipad mini app!
Works ok on my samsung tablet !

**Eevo** · 16th March 2019, 11:26 AM

im loving mine less. another unit failed. second unit in 6 months. i got 4 total.

**drivesafe** · 16th March 2019, 12:47 PM

Hi Eevo, what is happening when it fails?

I have one that intermittently stops monitoring and then starts again.

**Eevo** · 16th March 2019, 12:57 PM

Originally Posted by drivesafe

Hi Eevo, what is happening when it fails?

I have one that intermittently stops monitoring and then starts again.

first one was erratic voltage readings. showed anywhere between 15 and 30 volts while connected to the 12v motorcycle
second one has simply stopped responding. BM2 and BM3 cant find it. i tried physically disconnecting it, waiting 1min and reconnecting it. no joy.

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