Battery state monitoring system and method therefor

A method for monitoring battery state of a battery of an electric vehicle, the method comprising:

• analyzing, Parameter Group Numbers (PGNs) in a set messages broadcasted by at least one CAN network onboard the electric vehicle;
• filtering out messages that provide state of charge (SOC) of the battery based on the analyzing;
• transmitting the filtered out messages for SOC analysis;
• and
• performing SOC analysis to determine whether the battery of the electric vehicle has sufficient charge to complete a portion that remains of an electric vehicle block to be performed by the electric vehicle.

A method for establishing a body of state of charge (SOC) historical data for batteries of electric vehicles comprising:

• assigning an electric vehicle block to be performed by an electric vehicle;
• specifying a set of two or more points, on the electric vehicle block, at which to collect SOC information while performing the electric vehicle block;
• collecting, by an on-board computing device in data communication with a recharge module, the recharge module in data communication with a first controller area network (CAN) that is in data communication with a battery of the electric vehicle, the SOC information at the each of the points in the set while performing the electric vehicle block;
• sending the collected SOC information to a SOC usage database;
• and
• storing the collected SOC information in the SOC usage database to establish the body of SOC historical data.