PKCELL9V Battery 6F22/PP3 (4 Pack) - Long-Lasting 9 Volt Square Batteries for Smoke Alarm, Fire Detector, Multimeter & Remote Control Car - 0% Plastic Packaging - 3-Year Storage

Perfect pack for my smoke alarms. I have a three bed house and four smoke alarms so perfect number of batteries. Price is very good and batteries themselves look decent quality. Will see how long they last but so far no problems.

Bought these for my smoke alarms and they have lasted well so far.

Great for the price 👍

Reliable and Long-Lasting Batteries!★★★★★The PKCELL 9V Batteries are a great choice for various devices like smoke detectors, radios, and toys. The pack of 2 is convenient, and the batteries are long-lasting, ensuring that my devices stay powered for a long time. They fit perfectly and provide reliable performance every time. I’ve used them in multiple applications, and they’ve worked flawlessly. I highly recommend these batteries for anyone looking for quality and dependability!

Good price

They fit my fire alarm, all good.

Good value

Not as expensive as other similar batteries, but you get what you pay for. I replaced an Energizer battery that had literally lasted for years in my smoke alarm with one of these, and it has lasted less than 7 months. The Energizer battery that was already in my smoke alarm upstairs (I can't even remember when I fitted it, it's been so long) has outlasted this one.See how long one of these lasts for you before reviewing it.