This Sony NP-FZ100 AC Power Adapter kit works wonderfully for the following Sony digital cameras:

For Sony α9, Sony Alpha 9, ILCE-9
For Sony α7 III, Sony Alpha 7 III, Sony A7M3, ILCE-7M3 ILCE-7M3K
For Sony α7RIII Alpha 7RIII A7R3

For Sony α1, Sony Alpha 1,

For Sony A7C

For Sony A7M4
and more models.