Efficiently charges two batteries simultaneously! The ProMaster Dually Charger for the Fujifilm NP-W126 allows for the concurrent charging of two batteries. Its compact design features a built-in USB-A input cable that conveniently stores within the charger’s base. The Dually Charger operates using USB-A power sources, making it compatible with USB AC adapters (not included), laptops, power banks, car chargers, and other devices, requiring a minimum current of 2.2A.