BT183342/BT283342 NEW ATT VTECH Cordless Phone Battery 2.4V 400mah Ni-MH. May fit other phones, check plug type on the battery. These packs are the size of 2AAA batteries wrapped together.
MFD: 2021-12-11 stamped on back side. US based seller, batteries are in stock, super fast shipping, same day even.