ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,479, issued on Nov. 18, was assigned to FORM ENERGY INC. (Somerville, Mass.).
"Hybrid battery system" was invented by Ramkumar Krishnan (Gilbert, Ariz.) and Shawn Fink (Mesa, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stationary hybrid battery back-up system incorporates two different battery units that differ in terms of recharging efficiency, cycle life, power capability, depth of discharge threshold, temperature threshold, internal impedance threshold, charger rate efficiency and/or stand-by efficiency. The battery back-up system of the present invention comprises an auxiliary power supply that can be used to charge the first and seco...