Best Battery Smoke Alarms of 2025

The FireAngel FA6620 Smoke Alarm makes safeguarding your home straightforward. Its advanced optical sensing technology quickly detects smoke, ensuring a fast response to slow-burning fires, which is crucial for your safety. You can enjoy peace of mind knowing that this alarm is less likely to trigger false alerts from cooking fumes, making it an ideal choice for busy kitchens. Additionally, with a 10-year sealed battery, you won’t have to worry about changing batteries, providing hassle-free protection for years to come.

The FireAngel SB1-R Alarm is designed to keep your home safe with its advanced optical smoke detection. This smoke alarm is particularly useful for detecting slow-burning fires, helping you respond early to potential threats. Its toast-proof feature minimises false alarms from cooking fumes, allowing you to enjoy meals without interruptions. Additionally, the large test button makes it easy for you to check that the alarm is functioning correctly, ensuring peace of mind in your home.

The TEFLERON Smoke Alarms utilise advanced optical sensing technology, enabling swift detection of smoke to enhance your safety against slow-burning fires. Constructed from high-quality fire-retardant materials, these alarms are designed to last for 10 years, even in high temperatures. You will appreciate the powerful 85dB alarm paired with a red light indicator, ensuring you are alerted promptly in larger spaces. With a built-in 5-year battery, there’s no need for extra purchases—just replace the battery when necessary for continued protection.

The Mercury SD102P Smoke Alarm is designed to keep your home safe and provide peace of mind. Its simple test button allows you to easily check that the alarm is fully operational, ensuring your safety. UK certified, this smoke detector is crucial for saving lives and giving you confidence in your home's safety. The included battery and fixings mean you can set it up right away without any additional purchases. Plus, the large hush button lets you reduce sensitivity for ten minutes, making it convenient to avoid false alarms during cooking.

The Isafenest Smoke Alarm is designed to enhance your home safety with its reliable features. It includes a test function that allows you to check the alarm while it goes into silent mode for nine minutes, ensuring you can do so without constant noise. The alarm boasts a loud 85dB alert, effective across a range of 20-40 square metres, giving you peace of mind. Additionally, it performs self-checks every 33 seconds, keeping you informed about its operational status. With easy installation, you can set it up without any rewiring hassle.

The Kidde 2030DSR Smoke Alarm features advanced optical smoke detection technology that accurately identifies smoke particles, helping to minimise false alarms. You can enjoy added convenience with the "hush" control feature, which allows you to temporarily silence nuisance alarms. The mesh bug screen around the sensor further reduces the chances of false alarms, ensuring reliable performance. Additionally, the alarm can be mounted on walls or placed freestanding, providing flexibility in installation to suit your needs.

The ELRO FS1805 Smoke Alarms offer an easy installation with their magnetic sticker system, allowing you to set them up quickly without the need for tools. With a long-lasting 5-year battery, you can enjoy peace of mind knowing they will reliably protect your home without frequent battery changes. A handy test button lets you easily check the functionality of the alarms, ensuring they are always in working order. This set comes with two alarms, providing comprehensive coverage for your space.

The WISUALARM Smoke Alarm offers several impressive features to enhance your home safety. Its split spectrum technology quickly detects smoke with high accuracy, helping to minimise false alarms caused by vapour and dust. The 10-year sealed lithium battery provides long-lasting fire protection, eliminating the hassle of frequent battery replacements. Additionally, you can easily silence the alarm with an infrared remote control, allowing you to manage it comfortably from your living space. Installation is a breeze, requiring no wiring and simply using the included adhesive.

The STATUS 9 V Smoke Alarm is designed to keep you safe in your home. It features a low battery warning, ensuring you are alerted when it's time to replace the battery, so you never have to worry about it failing. The test button allows you to easily check that the alarm is functioning correctly, giving you peace of mind. With an 85 dB alarm, you can be confident that you will hear it in case of smoke detection. Plus, it is easy to install, making it convenient for you to set up without hassle.

The X-Sense SD11 is designed to keep your home safe with its sensitive photoelectric sensor, which quickly detects smoke levels while reducing false alarms. With a remarkable 10-year battery life, you can enjoy uninterrupted protection, allowing you to sleep soundly at night. The reliable auto-check feature continuously monitors the alarm’s functionality, ensuring you are promptly alerted to any faults or low battery issues. Constructed from eco-friendly materials, this smoke detector emits a loud 85-decibel alarm, providing peace of mind for you and your family.