NOVELTY - A micro-hybrid battery system (12) comprises lithium ion micro-hybrid battery module (28) comprising pair of battery terminals (46), lithium ion battery cell (44) coupled to pair of battery terminals provided with cathode and anode in which anode comprises anode active material provided with titanate-based oxide, and cathode comprises cathode active material, and control circuit configured to enable lithium ion battery cell to be electrically connected in parallel to energy storage unit in which micro-hybrid battery module is configured to work in start-stop application.    USE - Micro-hybrid battery system for electric vehicle and electrical grid power storage systems.    ADVANTAGE - The system has increased power output, reduced impedance, longer life cycle, and less weight and size, improves overall vehicle performance, meets high power requirements of xEV, enhances fuel economy and fuel efficiency, increases amount of space available for other components in xEV, and decreases overall battery system size and weight.    DETAILED DESCRIPTION - A micro-hybrid battery system comprises lithium ion micro-hybrid battery module comprising pair of battery terminals, lithium ion battery cell coupled to pair of battery terminals provided with cathode and anode in which anode comprises anode active material provided with titanate-based oxide having spinel structure, and cathode comprises cathode active material provided with high voltage spinel of formula (LiMn2-xMxO4), and control circuit configured to enable lithium ion battery cell to be electrically connected in parallel to energy storage unit in which micro-hybrid battery module is configured to work in start-stop application.    M=Ni, Cr, Fe, and/or transition metal; and    x=0.35-0.65.    An INDEPENDENT CLAIM is included for micro-hybrid battery system comprising lithium ion battery module comprising 1st pair of battery terminals, battery cell coupled to first pair of battery terminals, 2nd battery module provided with 2nd pair of battery terminals in which lithium ion battery module and 2nd battery module are coupled in parallel through 1st pair of battery terminals and 2nd pair of battery terminals, control module (32) coupled to lithium ion battery module provided with processor and memory component, and is configured to control operations of the lithium ion battery module in which lithium ion battery module is configured to capture electrical energy through regenerative braking system of electric vehicles (xEV), and connector configured to couple lithium ion battery module and 2nd battery module to electrical bus of xEV.    DESCRIPTION OF DRAWING(S) - The drawing shows a perspective view of micro-hybrid battery system.    Micro-hybrid battery system (12)    Lithium ion micro-hybrid battery module (28)    Control module (32)    Lithium ion battery cell (44)    Pair of battery terminals (46)