I suggest not to buy cheap batteries... very easy to leak and ruin your electronics.

Same here... the clock shop dont recommend alkaline battery. too "powerful" for the clock.


https://www.panasonic.com/my/consumer/batte...se-battery.html
https://www.eveready.com/batteries/super-heavy-duty

Dont get those cheap brands (tesco, MY DIY). Very easy to leak. And one particular brand that I avoid is Duracell. Every single one that I use also leak. Now I only use the panasonic manganese for those low power device like clock/remote.

And its ok that they don't last long, because the longer you use, the higher chance it will leak (any brand). So it is better change it once in a while.