Good batteries – Genuine Sony CR2025 3V Cell Button Battery (5-Pack) Reviews
posted by AndreiCarp on 05/16/2013
Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month
I've measured the no-load voltage of these batteries and it's somewhere around 3.4V, and even better, all batteries in the pack have the same measured voltage under no load conditions. I also tested two of them in my car's key fob (card ro Renault Megane II). They do not dip below 3.2V even after repeated button pressing which is a good sign in my book.
On other two batteries I performed a light load test (15Kohms and 10Kohms) and the voltage dip is very low at 3.3V or so. Again, the values were almost equal for the two batteries I tested.
None so far.
I bought these for my car's key fobs (Renault Megane II cards - for Start stop button option) and they perform very well so far. I already sensed a slight range boost as compared to the old batteries that I had in these cards. I will retest the battery voltage after ~half an year of use to see how it behaves.
I'm very happy with the purchase, I highly recommend them.
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