The exclusive PATONA Synchron USB Charger f. Sony FV100
FV-100 is capable to charge a battery and another device over the USB-Output at the same time.
The LCD Display shows the current charge level of the battery. It doesn't matter if it is connected to a power source or not.
It is possible to use a 100-240V wall socket, 12-24V Car charger or 5V Micro-USB to power the device.
The build in Microchip protects the battery from damage due to overheating and overload.