Alkaine 1.5v battery cannot be used with Minox 110s, it gives incorrect exposure, and the battery voltage drops with usage. Replacement for 1.35 v mercury oxide PX625 :

MR9 adapter for PX625, PX13

MR9 adapter FAQ

camera and equipment list

-- martin tai (martin.tai@capcanada.com), January 08, 2000

Answers

Photobattery

-- martin tai (martin.tai@capcanada.com), May 26, 2001.