EN-EL20 | EN-EL20a Battery + Travel + USB and Car Charger Adapter for Nikon 1 AW1 | 1 J1 | 1 J2 | 1 J3 | 1 S1 | 1 V3 | Coolpix A Cameras 2in1 Battery Wall Plug and Car charger - suitable for batteries Nikon EN-EL20 | EN-EL20a 2in1 Charger with US plug, 110-240V worldwide input voltage and car charging adapter. The battery charger is developed and fabricated by the brand PATONA. It is a patented product with a premium A+ quality level. Ideal for traveling - the charger offers 2 different charge inputs. Design and technical concept by PATONA, Germany.