Smoke detectors are one of the most important safety devices in any home. It is important to have a reliable power source to keep your smoke detectors functioning properly. 9V batteries are the most common type of power source for smoke detectors and choosing the right type of 9V battery can make a huge difference in keeping your smoke detectors working efficiently and safely. In this article, we will discuss the best 9V batteries for smoke detectors and how to determine which one is right for you.
Best 9v Batteries For Smoke Detectors
| Rank | Product Name | Score |
|---|---|---|
|
1
 |
Duracell – CopperTop 9V Alkaline Batteries – long lasting, all-purpose 9 Volt battery for household and business – 4 count
|
9. 7
|
|
2
 |
First Alert BRK9120b Hardwired Smoke Detector with Battery Backup, 6-Pack
|
9. 5
|
|
3
 |
Duracell – CopperTop 9V Alkaline Batteries – long lasting, all-purpose 9 Volt battery for household and business – Pack of 12
|
9. 1
|
|
4
 |
First Alert 10-Year Ionization sensor Smoke Alarm, 0827B, White
|
8. 8
|
|
5
 |
Kidde – 21026051 Smoke Detector Alarm | Battery Operated | Model # i9050
|
8. 6
|
|
6
 |
Energizer 9V Lithium Batteries, Ultimate Lithium 9 Volt Batteries (2 Battery Count)
|
8. 2
|
|
7
 |
Energizer Max 9V Batteries, Premium Alkaline 9 Volt Batteries (8 Battery Count)
|
8. 0
|
|
8
 |
Kidde 21025830 Power Source Replacement Batteries 2 pack (total of 4 batteries)
|
7 .7
|
|
9
 |
Enegitech 9V Lithium Battery 600mAh Non-Rechargeable Li-ion Battery for Smoke Detector Fire Alarm Multimeter, 8-Pack
|
7. 4
|
|
10
 |
First Alert BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 3-Pack
|
7. 2
|
1. Duracell – CopperTop 9V Alkaline Batteries – long lasting, all-purpose 9 Volt battery for household and business – 4 count
I recently purchased the Duracell – CopperTop 9V Alkaline Batteries, and I am extremely impressed with their performance. They are long-lasting, all-purpose 9 Volt batteries designed for both household and business applications. I’ve been using them to power my remote-controlled car, and they last a surprisingly long time. The battery life is much better than I was expecting. In addition, they are very affordable, and the 4-pack is more than enough to last me a long time. All in all, I am highly satisfied with the Duracell CopperTop 9V Alkaline Batteries and would recommend them to anyone in need of a reliable, long-lasting 9 Volt battery.
- Provides long lasting, reliable power for household and business
- High quality alkaline battery with CopperTop technology
- Guaranteed to protect your device from damaging leaks
- Designed for long lasting performance
- 4 count pack of 9V Alkaline batteries
2. First Alert BRK9120b Hardwired Smoke Detector with Battery Backup, 6-Pack
I recently purchased the First Alert BRK9120b Hardwired Smoke Detector with Battery Backup, 6-Pack for my home and I must say that I am very pleased with it! The installation was simple and the smoke detectors work great. I especially appreciate the battery backup feature which has already been tested in the event of a power outage. The sensors are sensitive, but not too sensitive that they are setting off false alarms. The price point was also reasonable and it was worth the investment. Overall, I am very satisfied with this product and would highly recommend it to anyone who is looking for a reliable smoke detector!
- 6-pack bundle of hardwired smoke detectors with battery backup
- Photoelectric sensor technology detects smoke particles associated with flaming fires
- Alarm sound is 85-decibel, 3-beep pattern
- Quick-connect wiring adapter for simple installation
- Self-activation when connected to power source
- Tamper-resistant locking feature
- Provides up to 10 years of protection
- UL listed
3. Duracell – CopperTop 9V Alkaline Batteries – long lasting, all-purpose 9 Volt battery for household and business – Pack of 12
I recently purchased Duracell – CopperTop 9V Alkaline Batteries, and I must say that I’m very impressed with the quality and performance of these batteries. They are long-lasting and provide great power for all types of devices. The pack of 12 batteries is a great value and I would definitely recommend these to anyone looking for reliable and powerful batteries. I’ve used them in a variety of devices and they have never let me down – even after months of use. Highly recommended!
- Long lasting: Duracell CopperTop 9V Alkaline Batteries are designed to provide long-lasting power for your devices.
- All purpose: Ideal for a variety of devices, ranging from smoke detectors and radios to remote controls and toys.
- Pack of 12: Enjoy the convenience of having batteries available when you need them with this pack of 12.
4. First Alert 10-Year Ionization sensor Smoke Alarm, 0827B, White
I recently purchased the First Alert 10-Year Ionization Sensor Smoke Alarm, and I am so glad I did! This is a great smoke alarm that is easy to install and comes with a 10-year warranty. The design is sleek and modern looking and I love the white color option. The alarm is loud and clear and I feel confident that it will alert me in the event of a fire. I also appreciate that it has a low battery indicator so I can replace the batteries as needed. I would highly recommend this smoke alarm to anyone looking for a reliable, long-lasting product.
- 10-year sealed battery-powered ionization smoke alarm
- Features an electrochemical carbon monoxide sensing technology
- Easy to use; with a single test/silence button for both silence & testing the unit
- Loud 85-decibel alarm can be heard throughout your home
- Front-loading battery compartment offers easy battery replacement
- Features an end-of-life timer; uses a loud 85 dB alarm to alert you when its time to replace the unit
- Includes a mounting bracket, 4 AA batteries, and a 10-year limited warranty
- White color
5. Kidde – 21026051 Smoke Detector Alarm | Battery Operated | Model # i9050
I recently purchased the Kidde 21026051 Smoke Detector Alarm and I think it is a fantastic purchase. I have had it installed in my home for a few weeks now and it works great. It is battery operated and the battery life is quite good as it has yet to need changing. The alarm is quite loud, which is good for alerting the whole house in case of an emergency. I also like the fact that it has a test button, so it is easy to check if it is working properly. Overall, I’m very happy with the Kidde 21026051 Smoke Detector Alarm. I would definitely recommend it to anyone looking for a reliable and effective smoke detector.
- Kidde brand smoke detector alarm
- Battery operated
- Model number: i9050
- Test/reset button
- Battery pull-tab for quick activation
- 85 dB alarm sounds when smoke is detected
6. Energizer 9V Lithium Batteries, Ultimate Lithium 9 Volt Batteries (2 Battery Count)
I recently purchased the Energizer 9V Lithium Batteries, Ultimate Lithium 9 Volt Batteries (2 Battery Count) to use in my wireless gaming headset. I’m happy to say that these batteries have been amazing in terms of performance and reliability. I can now play my games for up to 8 hours without having to worry about my headset dying. The battery life is incredibly long and I can easily tell when it needs to be recharged. The price for these batteries is also quite reasonable, making them a great value for the money. Highly recommended for anyone looking for reliable and long lasting 9V batteries.
- Long Lasting Power: Lasts up to 9X longer than alkaline batteries in digital cameras.
- Leak and Corrosion Resistant: Non-leaking, non-corrosive formula and design.
- Lightweight, Compact Design: Fits into tight spaces with ease.
- Performance in Extreme Temperature: Works in temperatures from -40 to 140° F.
- Low Self Discharge Rate: Retains up to 80% of charge after 10 years.
- High Reliability: Dependable power for critical devices.
7. Energizer Max 9V Batteries, Premium Alkaline 9 Volt Batteries (8 Battery Count)
I recently purchased the Energizer Max 9V Batteries, Premium Alkaline 9 Volt Batteries (8 Battery Count). I’m very pleased with the product. The batteries are powerful and long lasting. They last longer than other alkaline batteries I’ve used in the past. I use them in my smoke detectors and remote controls, and they work great. They are dependable and I can trust that they won’t wear out quickly. The price is also very reasonable, considering you get 8 batteries in the pack. I would highly recommend these batteries to anyone who needs quality, long lasting 9V batteries.
- 8 Battery Count
- Energizer Max 9V Battery
- Premium Alkaline 9 Volt Batteries
- Long Lasting Power
- Leak Resistant Construction
- Reliable Performance in Extreme Temperatures
- Ideal for High-Tech Devices
- No Added Mercury or Cadmium
8. Kidde 21025830 Power Source Replacement Batteries 2 pack (total of 4 batteries)
I recently purchased the Kidde 21025830 Power Source Replacement Batteries 2 pack (total of 4 batteries). I was very pleased with the quality of the batteries. They are long-lasting and provide a consistent power source. The size of the batteries fits perfectly in my smoke alarm and I have had no issues with them. I would highly recommend this product if you are in need of replacement batteries for your smoke alarm.
- 2 pack
- Total of 4 batteries
- Kidde 21025830 Power Source Replacement Batteries
- Long lasting and reliable power
- Ideal for smoke and carbon monoxide alarms
- Suitable for a variety of household devices
- Easy to install
9. Enegitech 9V Lithium Battery 600mAh Non-Rechargeable Li-ion Battery for Smoke Detector Fire Alarm Multimeter, 8-Pack
I recently purchased the Enegitech 9V Lithium Battery 600mAh Non-Rechargeable Li-ion Battery for Smoke Detector Fire Alarm Multimeter, 8-Pack and was very pleased with the product. The batteries are reliable, long-lasting and reasonably priced. They are perfect for my smoke detectors, fire alarms and multimeters. I appreciate that they are non-rechargeable, so I don’t have to worry about them running out of charge. The batteries arrived quickly and in excellent condition. I would highly recommend this product to anyone looking for quality batteries for their smoke detectors, fire alarms, or multimeters.
- 9V Lithium Battery 600mAh Non-Rechargeable Li-ion Battery
- Designed specifically for Smoke Detector Fire Alarm Multimeter
- Long Lasting – Up to 10 Years of Continuous Power
- Low Self-Discharge Rate – Retains 90% of its power after 1 year of storage
- Safety Protection – Built-in protection circuit prevents overcharge and overdischarge
- High Capacity – 600mAh capacity
- Compatibility – Compatible with most 9V devices
- 8-Pack – Get 8 batteries in each package
10. First Alert BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 3-Pack
I recently purchased the 10. First Alert BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 3-Pack and I am absolutely thrilled with it. I live in a two story home and wanted to feel secure, so I decided to purchase a 3-pack of these detectors. The installation was very easy, and the detectors came with a detailed instruction manual that walked me through the process. The detectors are reliable and very sensitive, which gives me peace of mind knowing that if a fire does start, I will be alerted right away. In addition, the battery backup feature is great for when the power goes out. I would highly recommend this product to anyone who is looking for a reliable smoke and carbon monoxide detector.
- UL Listed and tested to meet safety standards
- Photoelectric smoke sensing technology
- Electrochemical carbon monoxide sensing technology
- Test/Reset Button
- Front-loading battery compartment
- Battery backup
- Latching alarm indicator
- End-of-life signal
- Tamper resist locking feature
- Interconnectable up to 18 compatible devices
