The best 9 volt battery for smoke detector September 2024 - Reviews

2-pack of Energizer Ultimate Lithium 9V batteries

Our longest-lasting 9V battery

Powers your most critical devices - ideal for your smart home devices, outdoor surveillance systems, digital cameras, and handheld games

Holds power up to 10 years in storage for trustworthy backup energy, so you’re always prepared

Performs in extreme temperatures, from -40F to 140° F, for year-round, indoor and outdoor use

Longer runtime 9V - Tenergy's 4 Pack 9V Lithium batteries offer 2.5 times more power than traditional 9V batteries. Provides enough power to last up to 10-years as a backup battery in ac-powered smoke detectors.

Low self-discharge - Tenergy 9volt lithium battery features ultra-low self-discharge of only 2% a year and are date stamped for freshness. We confident these batteries will provide power, even after 10 years in proper storage.

Designed for better fit - Tenergy's non-rechargeable batteries 9 volts is slightly slimmer with rounded edges and corners ensuring a perfect fit in any 9volt electronics.

Wide temperature range - Use these batteries in your devices outdoors or inside and receive reliable power whether it's as cold as -4°F or as hot as 140°F.

Tested and certified by UL standards. Included with every purchase is free lifetime support from our local team based in California.

Powerful Standard Size: Super 9V lithium batteries which standard size design for the smoke detector and offer high power for device. retains power for up to 10 years in storage.

Powerful Standard Size: Super 9V lithium batteries which standard size design for the smoke detector and offer high power for device. retains power for up to 10 years in storage.

Superior Performance in Extreme Enviroment: EBL lithium metal cell 9 volt batteries could keep high performance in a wide temperature range from -40° F to 140 ° F, Don’t worry about the influence of the weather.

Device Compatible for: 1200mAh high capacity powers your most critical devices, compatible for your smart home devices, outdoor surveillance systems, digital cameras, and handheld games.

Package Inculded: 4 Pack advanced 9V lithium batteries (NOTE:Non-Rechargeable).

Sold as 12/Box.

Dependable, powerful performance.

Designed specifically for professional applications.

【Comparison 1】Enegitech 1200mAh batteries last 2x longer than 600mAh lithium battery. Up to 10-year backup battery in ac-powered smoke detectors and fire alarms.

【Comparison 2】Ultra high energy density and lasts 3-5 times longer than ordinary alkaline batteries in high current drain devices like digital cameras.

【Wide Applications】smoke detectors, fire alarms, multi-meters, Infrared Thermometer, Laser Thermometer, Temperature Gun,remote transmitter, stud finder, Wall Scanner, mini photo printer, vital signs monitor and 9v lithium battery enabled devices.

【Performance】Fast flash performance with a consistent and very short recycle time. Factory fresh battery 10 years shelf life.

【Protection】Built-in smart protection ensures good performance in any extreme weather or temperature from -20℃ ～ 60℃ / -4°F ～ 140°F.

★ Maximum Power – Allmax 9V Maximum Power Alkaline Batteries are premium grade, high-performance batteries built with EnergyCircle Technology to supply maximum power to your electronic devices.

★ Ultra Long-Lasting – Allmax 9V batteries are considered “ultra long-lasting” and have been independently tested to outperform standard alkaline batteries. This means you can expect Allmax batteries to last longer.

★ Leakproof Design – Allmax 9V batteries are designed to seal in materials and protect your electronic devices. This means Allmax batteries are perfect for daily household or business use, and perfect for your family’s needs.

★ Longest Shelf Life – Allmax 9V batteries are always fresh and maintain power for up to 7 years in proper storage. This makes Allmax batteries the perfect choice for long-term storage and emergency preparedness kits.

★ Best Performance – Allmax 9V batteries are built to supply maximum power to your electronic devices so they perform their best. This includes devices such as smoke detectors, carbon monoxide detectors, toys, garage door openers, wireless microphones, stud finders, walkie-talkies, multimeters, alarm clocks, wireless transmitters, dog bark controllers, and more!

Eveready Heavy-Duty Battery 9 Volt, 12 Pack

Eveready Super Heavy Duty is a line of carbon zinc

This is manufactured in United States

Modern Batteries For The Digital Age — With technological advancements rapidly improving our equipment & gadgets, we decided it is time to bring batteries into the digital age. Using alkaline, our batteries are 6 - 9 times better compared to yesteryear’s standard carbon batteries.

Environmentally Considered — We fully consider our environmental impact as we make our premium grade alkaline batteries.We provide packaging which could be reused as well as our 9V batteries 4 pack being free from mercury and cadmium under the control of all stages of the manufacturing process.

Bring New Life To Your Electronic Devices — These Voniko 9V Batteries are perfect for many popular gadgets and household items: Digital cameras, remote/game controllers, wireless keyboards and mice, alarm clocks, radios, shavers, and electronic toys to name a few.

Designed To Go The Distance — You can store our batteries for up to 7 years and they'll be as fresh as the day they were made thanks to our patented power barrier technology. Lasting as long as many leading national brands, investing in our 9 volt battery pack will save you much money in the long-run.

Protection Comes First — We combine a double layer internal structure housed within a stainless steel cover so that Voniko's 9V batteries are 100% leakproof. Avoid short circuits, mixing and matching old batteries with new ones.

🐬POWERFUL ENERGY- PKCELL 9V 6LR61 Batteries with ultra long-lasting power,and a long service life also means the battery should be changed at a lower frequency than smaller cells, making them ideal battery.

🐛RELIABLE QUALITY-It is an affordable, reliable, dedicated low-power solution to provide sufficient energy to your application. Ideally used in circuits with low power consumption so that it can work for longer durations.

🐌SAFE TO USAGE—This batteries are made with advanced technology, does not contain chromium, lead, or mercury chemicals, and is double-sealed for safety and leakage.

🐥MULTIPLE APPLICATIONS-Suitable for smoke alarms, smoke detectors, walkie-talkies, transistor radios, test and instrumentation devices, medical batteries, LCD displays, and other small portable appliances.In proper storage, these batteries can hold power for up to 3 years.

📞AFTER-SALES SERVICE-If you have any questions, please feel free to contact us. We are committed to providing the highest quality products and outstanding customer service.

Fitment- 9v batteries are mainly used in alarms, remote control toys, wireless doorbells, wireless earphones, universal watches and other electronic equipment.

Ideal replacement- Meet the standard size of 9V battery, can be directly installed in all kinds of equipment suitable for 9V battery.

Advantages- The battery will last longer and continue to work even under harsher conditions, which will make your equipment work better.

Advanced materials- This is a high-quality battery that is mercury-free, lead-free, and chromium-free, and can be discarded with household waste. All materials have been carefully inspected and verified to meet the most stringent quality standards.

Check carefully- This battery model is 9V 6LR61, please check the model and the package quantity before purchasing the product.