Apparatus for charging a battery includes a charger main body having a docking station with a docking bed and programmable electronics, which includes an array of programming contacts exposed at the docking bed, and a docking tray mountable on the docking bed. The docking tray has electrical...http://www.google.fr/patents/US5686808?utm_source=gb-gplus-shareBrevet US5686808 - Universal battery charger and method
