The dual slot Sony AC-VQV10 AC Adaptor/Charger quickly charges Sony V, H, and P Series InfoLITHIUM batteries. The AC-VQV10's consecutive charging feature automatically starts charging the second battery after the first has completed its cycle. This Adaptor/Charger also gives you the option of seeing the remaining battery life on the built-in LCD.
Sony AC-VQV10 AC Adaptor/Charger
Consecutive charging means the first battery charges, and when it is finished charging then the second battery automatically begins to charge