Emma Louise

You put a fresh CR2032 battery in a device, set it aside for months, and find it dead when you need it. This frustrating problem happens to everyone who uses small electronics. The culprit is often internal self-discharge, a natural chemical process inside every lithium coin cell. Even without a device, these batteries lose 1-2% … Read more

7 best CR2032 lithium coin battery for led tea lights Nothing kills a cozy tea light display faster than batteries dying after a few hours. If you’re stocking up on the best CR2032 lithium coin battery for LED tea lights, you need cells that deliver steady 3V power and actually last. I tested dozens of … Read more

I’ve noticed my AirTags seem to chew through CR2032 batteries way faster than expected. If you’re seeing that low battery warning pop up every few months, you’re not alone. Apple says the battery should last about a year, but real-world use often tells a different story. Cold weather and frequent precision finding requests can drain … Read more

We all want to save money on batteries, but nobody wants their remote to die mid-movie. That is the real question when you see cheap CR2032 cells next to the premium Energizer brand. I have tested many no-name lithium coin cells and found they often leak voltage faster than a name brand. The Energizer uses … Read more

I often get asked if a CR2032 lithium coin battery is the same size as a plain 2032. This matters because using the wrong battery can damage your device or cause it to not work at all. The short answer is yes, they are physically identical in size. The “CR” simply tells you the battery’s … Read more

You are likely holding a strip of CR2032 batteries and wondering how to separate them without causing damage. Getting this right is important because a short circuit or dent can ruin a perfectly good battery. I have found that the plastic housing is designed to be twisted, not cut with scissors. A simple twisting motion … Read more

7 best CR2032 lithium coin battery for led candles If you’ve got a collection of LED candles that keep dying after a few evenings, you know the struggle. Finding the best CR2032 lithium coin battery for LED candles means balancing battery life, reliability, and value—especially since most tea lights chew through these coin cells fast. … Read more

We have all been there. You need a new CR2032 battery for a remote or scale. But the plastic clamshell package feels impossible to open with just your hands. This frustrating design is actually intentional. The hard plastic and tough seal are safety measures to stop children from swallowing these dangerous coin cells. The packaging … Read more

You might worry that the bitter coating on a CR2032 battery could damage your device’s metal contacts. This is a common concern for parents and pet owners who use these batteries. The bitter coating is actually a non-conductive, food-grade substance designed to prevent accidental swallowing. It will not harm your device’s contacts, but a thin … Read more

I want to share how to store a CR2032 lithium coin battery so it lasts longer. Getting the storage right saves you money and frustration when you need a fresh battery for your key fob or remote. Heat is the biggest enemy of these small batteries, and even a warm drawer can drain them faster. … Read more