**FULLY COMPATIBLEfor Sony NP-FZ100, BC-QZ1 Alpha 9, A9, Alpha 9R, Sony A9R Sony Alpha 9S **Versatile ChargerIt can double as a cell phone power bank (powerbank feature). Ultra compact design, Unlike the Canon OEM charger (which can only charge from mains AC) you can connect this to micro USB and charge it from your battery pack, or from your car,desktop, notebook or cellphone adapter. **USB cable folds completely out of the way. No wrapping and tying and no rat tail. You will need a USB power source which does not come with this. **RAPID DUAL CHARGERIt can charge your Charger very quickly to Charge 2 batteries simultaneously from any USB power source. It can charge 2 batteries at the same time without any conflict because of the sufficient 5V / 2.1A input.