The 341 Battery is also a replacement for equivalent batteries:
SR714SW, V341, 627, 341, RW322, GP341, D341, 341X, 341A, E341
All batteries are by quality branded manufacturers, normally Renata, Varta, Rayovac or Panasonic. They are not the cheap makes you get on some websites.
Size: 1.4mm x 7.9mm
Voltage: 1.55v
Type:- Silver Oxide