Abstract: By adding a dual op amp and some other components to a lithium-battery-charger IC, you can adjust the charging voltage to any level within the range for standard lithium batteries (3.6V to 4.2V).Maxim > Design Support > App Notes > Amplifier and Comparator Circuits > APP 4520 Maxim > Design Support > App Notes > Battery Management > APP 4520 Keywords: lithium-battery chargers, charge-termination voltage, fast charge, dual op amp Jul 05, 2011 APPLICATION NOTE 4520 Charging Lithium Batteries with a Nonstandard Termination Voltage By: Shasta Thomas, Applications Engineer Abstract: By adding a dual op amp and some other components to a lithium-battery-charger IC, you can adjust the charging voltage to any level within the range for standard lithium batteries (3.6V to 4.2V). A similar version of this article appeared in the March 31, 2008 issue of EE Times maga……