Opteka DBC-FV AC/DC Dual Battery Rapid Charger with 2x Opteka NP-FV100 4500mAh Ultra High Capacity Li-Ion Battery Pack Rapid Battery Charger, Charges one or two batteries simultaneously Smart Charging compatible with coded batteries Auto-shutoff to "drip charge" once charging is complete Bonus 9V DC car adapter and Euro travel plug lets you charge while on the road Includes: 2 x Opteka NP-FV100 4500mAh Ultra High Capacity Li-Ion Battery Pack