2 Batteries & 1 Charger For The Sony Np-bx1 

SONY CX405/440

Each Battery Features Japanese 3.6v, 1,600mah Cells
Mini, Rapid Ac Charger Features A Foldout Us Plug, 110v-240v Input Voltage, Car Charging Adapter & European Adapter
Batteries & Charger Are Fully Compatible With The Sony Original Battery & Charger
All Items Include A 3-year Manufacturer Warranty

SONY CX405/440 2 x Batteries + Charger