Emma Louise

Have you ever popped a fresh CR2032 battery into a remote and noticed a strange, bitter taste on your fingers? That’s not a manufacturing defect; it’s a safety feature designed to protect children from swallowing these small, shiny discs. This bitter coating is usually denatonium benzoate, the most bitter chemical known to science. It’s so … Read more

I need to find the right CR2032 battery for my car fob, but it is easy to get confused by all the options. Getting the wrong one means my key fob stops working, which is a huge hassle. Many people assume all CR2032 batteries are identical, but the chemistry and voltage can vary slightly. A … Read more

I’ve noticed a bitter coating on my CR2032 batteries, and it turns out it’s actually a safety feature. This coating is a bitterant added to stop kids from swallowing these small batteries, but it can cause connection problems in devices. The coating creates a thin, non-conductive layer on the battery’s terminals. In my experience, this … Read more

You buy a fresh pack of CR2032 batteries, but your device still won’t work. Checking the voltage reveals they read below the expected 3 volts right out of the package. This frustrating problem is more common than you might think, and it can waste your time and money. In my experience, these low readings often … Read more

It’s frustrating when brand new CR2032 batteries die in LED candles after just a few days. Why this happens can save you money and keep your candles glowing longer. Most people don’t realize that cheap LED candles often have a hidden resistor that drains power even when “off.” This constant trickle can kill a quality … Read more

You bought a fresh CR2032 battery for your fairy lights, expecting them to glow all winter. Instead, they dimmed after just one season. It is frustrating, but the reason is simpler than you think. The tiny CR2032 battery holds about 225 milliamps of power. A single string of 20 fairy lights can drain that in … Read more

We all rely on our car key fobs to start our vehicles and unlock doors. When that fob stops working, it is almost always the small CR2032 battery inside that has run out of power. In my experience, a standard CR2032 lithium coin battery will last between one and three years in a car key … Read more

You grab a fresh pack of CR2032 batteries and immediately hit a wall. Why do you need a screwdriver just to pop one out for your remote? That tough plastic clamshell isn’t there to annoy you. It’s a child safety feature designed to prevent little hands from accessing these small, swallowable lithium cells. The Screwdriver … Read more

You buy a new pack of CR2032 batteries, open them up, and the device still won’t work. It is frustrating to wonder if it is normal for these lithium coin cells to be dead right out of the package. In my experience, a brand new CR2032 battery should have a voltage around 3.0 to 3.3 … Read more