MPN: DURACELL LR44 1.5v. Battery Size: LR44. Duracell N MN9100 LR1 E90 AM5 KN 1.5V Alkaline Batteries x 2 - Longest Expiry, G. 2 x Duracell LR54 189 LR1130 AG10 Button Cell Batteries. Chemical Composition: Alkaline.
eBay