A method and system for battery charging. In some aspects, a battery charger includes a controller and a charging circuit that is operable to charge Lithium-based batteries of varying nominal voltages and/or number of battery cells....http://www.google.fr/patents/US7323847?utm_source=gb-gplus-shareBrevet US7323847 - Method and system of charging multi-cell lithium-based batteries
Method and system of charging multi-cell lithium-based batteries
