Smart phone Battery Monitor - multiple batteries

NJS5

Senior Member
Joined
Jul 12, 2020
Messages
784
Reaction score
1,192
Age
81
Location
Catherington, Hampshire.
Your Mercedes
2011 R230 SL350, 2016 Discovery 4 Landmark, 1973 MG B GT V8, 1959 MGA roadster.
I'm looking for a smartphone battery monitor app. & associated hardware to monitor & report on battery condition for at least two batteries in my SL350 & one in my Land Rover Discovery 4.

If cheap enough I would add the stop/start battery in the Discovery 4 and batteries in my 2 MGs as well.

I need them to alert me to when charging is required regardless whether the vehicle is "switched on".

The CTEK 40-149 Vehicle Battery Monitor would be my first choice but at £45 per vehicle it's expensive & I'm not even sure it will accommodate 3 or more batteries.

NJSS
 

SRE

Senior Member
Joined
Sep 14, 2017
Messages
201
Reaction score
103
Location
Norfolk
Your Mercedes
R230 SL500 2005
There are a few different designs available on amazon or ebay with apps that can register multiple monitors but they all seem to suffer from very poor bluetooth range. I'm still looking for one that I don't have to go outside and walk around the cars and motorcycles.
 


www.W140.co.uk&www.r129.co
Specialist in parts for W140 and R129 Mercedes-Benz models.
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