target i think. i believe they are the same batteries you get for calculators, etc.

 

I get mine in the electronic department of WalMart where they have all the different batteries.

 

I found them at Walgreens too. Really anywhere that sells batteries should have them. You could also try Radio Shack or Batteries Plus (specialty battery store).

 

you can buy them anywhere. It's a simple watch battery.

 

I got mine at Marcs (a local discount store.) In fact, I have an extra. The first one I got was defective, so they replaced it and told me I could toss the old one. Stubborn me, I went and got another battery to see if that was the problem. It wasn't.

 

lr44 is the number on mine

 

I have a customer's whose timer works but the beeper does not go off. Any ideas on why the sound would not work; anything I should check?

 

There's a way to turn the sound on and off. Switch on the back, I think!

 

I just looked at mine. The gray button on the back is to change the clock timer from a 12 hour "regular" clock to a 24 hour "military" clock. I didn't see a way to turn off the beep. Who would want to turn off the beep anyway? How would that help you??? LOL

But I did see a reset button back there. It's recessed below the white plastic & is gold. Have your customer stick a pen in the hole & reset the timer. Maybe that will work.

 

My timer is also not sounding. I tried resetting it by pushing on the gold with a pen in the back, but with no luck. I did feel the gold recess when I pushed on it, but now it is just dented. Any other ideas to make the sound work again? I already replaced the battery.