An app for reading battery data from the GM Chevrolet Volt / Opel Ampera / Vauxhall Ampera / Holden Volt / Buick Velite 5 via a generic ELM327 Bluetooth adapter. Current capabilities:- Reading of current battery state: SoC displayed, Capacity, HV Isolation, Temperature, Internal Resistance, Cells 1-96 voltage, Min, Max, Avg, Disbalance (Delta), and many more- Storage of every reading in a time-series database - Historical chart for battery capacity- Live monitoring mode