On Monday, 30 July 2018 13:19:09 UTC+1, Michael Chare wrote:

I bought some LR44 1.55v batteries on ebay for my Barclays Pin sentry
card reader. They don't work!

Using my digital multimeter the voltages of the 4 I tried are 0.471 1.30
1.43 1.47

What voltage should I get from a new battery?

The card reader was showing "Low Battery". Fortunately after I rubbed
the old batteries with a tissue the card reader started to work so I
have been able to make my online bank payment.

Alkalines give 1.55v new. You already know that.


NT