Coppertop 9V Battery, 2 Count (Pack of 1), Long-lasting All-Purpose Alkaline 9V Batteries for Household and Office Devices

Good value on a dependable brand battery. I change all my smoke detectors and carbon monoxide detectors every spring at the time change. The Duracell’s always last the entire year.

There are moments, often unremarked, when one depends upon a quiet, uncomplaining force to keep the machinery of life from falling into silence. The Duracell Coppertop 9V Battery belongs to that class of steadfast companions. It does not boast or glitter; it simply endures. I placed it into devices that live in shadow—smoke alarms, measuring instruments, the unseen sentinels of domestic order—and there it labored on, faithful as an old sailor keeping watch through the night. What struck me most was its refusal to fail suddenly or theatrically. Its power ebbs with dignity, not treachery, allowing one time to prepare rather than be betrayed. In a world prone to cheap promises and abrupt endings, this battery provides continuity, a dependable current amid uncertainty. It is not romance, but reliability has its own severe beauty. Five stars, for the Duracell Coppertop performs its duty without complaint, and in doing so, earns a rare and lasting trust.

2 9v baterry provided from the best brand. of course they worked, what else did i expect?

DURACELL BATTERIES ARE THE BEST. I HAVE TRIED OTHERS, BUT ALWAYS COME BACK TO DURACELL. A GREAT VALUE FOR THE MONEY 👌 I HIGHLY RECOMMEND THIS PRODUCT 👌

Worked fine. Use em in my smoke detectors......

has lasted a lengthy time

This battery pack is reliable, charges quickly, and holds power well. It’s compact, easy to use, and perfect for on-the-go. Definitely worth the purchase!

Good batteries, good price.

Duracell is pretty much the brand I always end up going back to. They just last longer than the cheap ones, and I don’t have to change them out as often. I’ve used them in toys, remotes, even my kid’s nightlight, and they hold up really well. They’re not the cheapest, but honestly it’s worth it because you don’t burn through batteries so fast. Nothing worse than something dying right when you need it, and these seem to save me from that. Overall, solid batteries. Reliable, no issues, just does what you need them to do.

Simply well pleased with the quality and value for money of these batteries simply they do what it states on the packet. thank you

Llegaron bien, el empaque estaba en buen estado, así que supuse que había hecho una buena compra, sin embargo, cuando tuve la necesidad de usar una de las dos baterías para mi guitarra electroacustica me llevé la sorpresa de que solo duró 15 días la carga en la batería, pese a que tenía caducidad del 2029. La segunda batería hasta el momento funciona.

great value much cheaper than at supermarkets.

You get only four pieces in total for the price paid. Description about the product is not clear!