How China Supercharge Rechargeable Batteries To Dominate The Next Big Technology

[Mephistopheles]

I had the same issue with my digital thermometer before. Turns out the lr1130 battery equivalent is AG10 or 389, depending on the brand. I swapped mine with an AG10 and it worked just fine. Just double-check the voltage—1.5V is usually the right one. Always good to keep a few spares since these tiny batteries run out pretty quick.