🔋 Energizer 390/389 Silver Oxide Coin Batteries Pack of 5 Review

. There were no problems and the item came as described via US Mail in a standard size envelope. Great replacement for LR1130. Apparently button batteries often have several (6 or more) equivalent names depending on the type of chemistry (alkaline, lithium, silver oxide) and/or manufacturer. In this case Silver Oxide 389/390 (SR1130) is a more durable and stable version of Alkaline (LR1130). There were 5 batteries in the package (just like in the photo).

Received five packs today and they are exactly as pictured. There is no expiration date, but there is a "Made in USA" label on the packaging and on each battery. Took a battery out and tested it on my battery tester which does a stress test. (No voltage test with a multimeter is nearly as meaningful as a load test) The battery was 100% tested and now my computer is ready for use again! The Energizer name is also stamped on each battery. The quality seems great and the price is right!

Bought these for my indoor/outdoor thermometer. I didn't feel like they lasted very long. Sure, the device is on all the time, but it's relatively small and should only display three numbers. The maximum time I was out of the cell was ten months. The rest worked half a year or less (one only worked about a month). They were only bought 2.5 years ago which is half the expected expiration date although I don't know how old they were when I received them. I'm assuming I received an old batch, or…