Hi, how can i ask battery voltage by sms from fmm230 to my phone. I mean vehicles battery where fmm230 has connected, by + pin1 and - pin7, not internal battery. Thanks Juhani
Good day, Thank you for contacting Teltonika Telematics!
You can send SMS below to check battery status.
space space battery If No SMS login password is used in the device configuration.
Returns battery state info.
Please use link below for more information on SMS/GPRS commands.