The Jupio Duo Charger for Sony BP-U Series charges two batteries while displaying the status of each on a bright LCD screen. It also features a 2.1A USB Type-A output for charging a smartphone or other mobile device. The Duo Charger supports 100 to 240V worldwide power input and can be used internationally with the right plug adapter, sold separately. A car lighter adapter (12 to 24V input) is also included for using it on the road.