iDRIVE Bluetooth Battery Monitor
-Wireless battery monitoring via mobile device
-Monitor multiple batteries with the one app
-Bluetooth connectivity , free app for iOS & Android (Battery Monitor BM2)
-Receive notification of your battery condition via the app
-Short circuit and reverse connection protection
-Data stored for up to 31 days if out of sync
-Review and store historical data
-Compatible with all 12-volt vehicle batteries
-Records trip duration
-Simple, cheap and effective protection