Will these work for Panasonic phone KX-TG4021? null

I don’t know. Would suggest download the owners manual to check on the type of battery.

Hello! Yes, the batteries are compatible with the phone system. -C

Yes, they will work... 100% sure!!!

No -- the model KX-TG4021 requires 2 AAA batteries required.

“Will these work for Panasonic phone KX-TG4021?”

Asked by Questioner 2 years ago

I don’t know. Would suggest download the owners manual to check on the type of battery.
Answered by CarolineB 2 years ago
Sorry, there was a problem. Please try again later.
Hello! Yes, the batteries are compatible with the phone system. -C
Answered by Panasonic Team 2 years ago
Sorry, there was a problem. Please try again later.
Yes, they will work... 100% sure!!!
Answered by 1701jim 2 years ago
Sorry, there was a problem. Please try again later.
No -- the model KX-TG4021 requires 2 AAA batteries required.
Answered by 1701jim 2 years ago
Sorry, there was a problem. Please try again later.