NP-FZ100 Battery Charger Set for Sony Alpha A7 III, A7R III (A7R3), A9, a6600, a7R IV, Alpha a9 II (2-Pack, Micro USB Port, 2280mAH)

SKU: KF28.0005

A
It will not cause problems to the data stored on the SD card, please use it correctly according to the requirements of the SD card. 
A
It uses the accompanying USB micro b to USB Type A cable, so you can plug it into a travel adapter with a USB port. 
A
Simply connect any 5V 2.1A Max output power source via the Micro-USB cable to safely charge the battery in the included charger. The connected power source can be a mobile phone adapter, a car charger, or a power bank, etc. But please do not directly connect the charger with power supply higher than 5V 2.5A. 
A
Yes, if you want to charge faster, you can also use a wall charger 5V/2A to charge the battery. 
A
Normally charging and discharging300-500 times, after 300 times, it starts to decay to 80% capacity, which is manifested in rapid power failure. 
A
You can charge 1 battery individually or 2 batteries at once if desired. 
A
one year 
A
I guess that means they are safe to use the camera. 
A
No, it has to be inside the camera to display the battery level