The Sony RX0 / RX0 II Power Accessory Kit includes one Sony NP-BJ1 battery, a compact USB travel battery charger, and a USB 2.0 cable.
The NP-BJ1 is a rechargeable 3.7V, 700mAh lithium-ion battery for the Sony RX0 and RX0 II. It can capture approximately 240 stills or between 35 and 60 minutes of video footage on a single charge.
