Badly needs a calibration function.
It looks like the connection issues have been resolved with the latest update. Everything seems to work ok but the resolution on the voltage measurement is quite poor...it typically over-reads by around 250mV (against my lab cal’d dvm). If the developer could add a calibrate function in the app ot would get 5 stars!!!
The device doesn’t auto connect to Bluetooth for a good reason.... when connected it draws around 12mA from the battery, when not connected to Bluetooth this drops to around 2mA. So you don’t want it connected all the time like when you are in bed etc. Overall it is very good value for money, just a shame the accuracy is not a bit better.
The device doesn’t auto connect to Bluetooth for a good reason.... when connected it draws around 12mA from the battery, when not connected to Bluetooth this drops to around 2mA. So you don’t want it connected all the time like when you are in bed etc. Overall it is very good value for money, just a shame the accuracy is not a bit better.
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Password incorrect
Product looks decent however customer service is shocking, rang the phone number 8 times and emailed the address you get with the product, absolutely no answer or help what so ever. Shame really.
Works ok for voltage (but not ambient temperature)
Voltage measurement is accurate and simple to use. The software has a bug for temperature measurement as it increases every second (I think they have an error is their code ... probably the formula they are using to calculate the average of a number of readings received in 1s)
Requires a manual connection to the device
I’m not quite sure what the point of this app is. The app will tell you if the battery is not looking so great...but it will only do this if you connect the app to the device manually every time you go near the car. It also seems to lose connection if you switch apps or randomly whilst driving. Why not make the Bluetooth device auto-connect?!
Good idea...badly executed.
Good idea...badly executed.
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Doesn’t Work
App crashes as soon as you click on the icon to connect to the monitor. This makes it impossible to use the monitor or the app



