OAproda 2 Pack Replacement Sony NP-FZ100 Battery and Rapid USB Charger Compatible with Sony BC-QZ1 and Sony Alpha A7 III, A7R III, A9, Sony Alpha 9, A7R3 Digital Camera (Fully Decoded) OAproda NP-FZ100 Battery are Fully-decoded. If you upgraded the sony firmware to version 2.0 or 3.10, When using batteries, will get a warning on camera display that reads: "The operation and safety of this battery cannot beguaranteed" "Continue Use" , You have to click YES, and then can use. It will NOT display the percentage of the remaining battery life. But will not affect the normal use of the camera. FZ100 Battery: Rated at 7.4V, 2380mAh and 17.6 Wh. 100% A+ Battery Cell,High Capacity with CE Safety Certification.No Memory Effect , lasting longer, Recording more wonderful moments. NP-FZ100 Charger input: 5V,1A; Output 8.4V, 500mA . Fully compatible with the Sony camera, camcorder and battery . Micro-USB input : Multiple Charging Option: the ability to charge with a USB wall charger, car charger, Portable Power Source, or cellphone adapter .Gives you more options than a standard battery charger The newest generation of CPU control, IC chip, double PCB panel, Built with multiple circuit protection ( over-charging,over-current, over-voltage, short-circuit, high-temperature)