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Pros & Cons
Pros
Fyi see the pros/cons below. It seems to work as advertised. But it was nice to be educated on what the problem was before i tried to fix the problem.
The battery monitor bm2 works well and is easy to pair by bluetooth with an iphone 6 or greater. Bluetooth range is good, well over 30 ft. I have the monitor hooked up to a battery in my garage and i am able to get readings from the monitor while on t... Read More
E-450 battery/alternator can provide charge whenever its voltage is at least. Now i know when to deploy my ctek charger or when to just let it ride.
Cons
There are 2 main issues that practically disqualify it for me. Battery charge level scale is inaccurate and not even close to industry standards. The products specifications state that the voltage accuracy should the +/-. V as low power, but at 12.
The sensor can't connect to your phone or tablet without a pin. The app is so bad i really can't tell you much about the sensor itself. It's important to know this battery monitor will only communicate with a bluetooth device.
The android app insists on running in the background, even if the system is set to prevent it, and if stopped manually in settings - apps it resurrects itself. The only way to stop the app and regain use of your phone is to reboot it. Make sure that y... Read More
Highlights
Quality
It’s especially great to keep from depleting the battery to unhealthy levels
Very easy install and it hooked right up to the app no problem
This beats opening the hood every few days to check the voltage or avoiding an unwelcome surprise due to parasitic draw
Our car battery was draining after two days if it wasn’t driven
Price
For the price this is an amazing tool
I was looking at very expensive sophisticated systems when i stumbled across this little lowcost device which turned out to work great
This cheap device will pay for itself many times over
2 this thing is what i needed so that i dont have to be in two places at once to troubleshoot this i dont have two of them wond... Read More
Competitiveness
Better than a auto parts store test because it tracks the voltage during an actual start
I won’t know for sure if it stays within that range but i plan on comparing it to other devices mostly multimeters and seeing j... Read More
Overview
- How are reviewers describing this item?
great, easy, good and connected. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 75.
- Our engine has discovered that over 80% high quality reviews are present.
- This product had a total of 497 reviews as of our last analysis date on Apr 7 2024.
Helpful InsightsBETA
Posted by a reviewer on Amazon
This cheap device will pay for itself many times over
Posted by a reviewer on Amazon
As far as the app and connectivity i have some concerns
Posted by a reviewer on Amazon
First there doesn’t seem to be any kind of security when it comes to connecting to the device
Posted by a reviewer on Amazon
You open the app it starts searching and pairs with it and probably would try to pair with any others in the vicinity
Posted by a reviewer on Amazon
I only have one so i can’t say for sure how it’d react with more than one nearby
Posted by a reviewer on Amazon
Second concern would be naming the device itself through the app
Posted by a reviewer on Amazon
I may pick up a second one and see how it reacts to having two sensors to attempt to connect to
Posted by a reviewer on Amazon
Standby current draw was less than advertised
Review Count History
Price History
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