Okay, so I was skeptical at first because these batteries look like little silver bullets, but WOW do they pack a punch!

First off - the brand. Duracell? Yes please. I trust them with my TV remote, my kid's toys, and now my garage door opener that was acting all dramatic (only working if I stood RIGHT in front of it). Popped one of these in and BAM - works from across the street now!

What surprised me most was how LONG they last. Bought these for our rental property's fan remotes back in... March? Still going strong in August! That's some serious staying power.

The size is perfect too - not those annoying circular ones that roll away when you drop them (we've all been there). These slide into remotes like they were made for them (because... they were).

Price point? For a 4-pack of name brand batteries that actually last? Absolute steal compared to what I've paid at big box stores.

Pro tip: They work in ALL the things - key fobs, GPS trackers, even my weird vintage calculator collection. Basically if it takes this battery type, Duracell's got your back.

Final verdict: Would definitely buy again (actually already have - this is my second order!). Tiny battery, BIG results.