The 5 Best 9 Volt Batteries
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Catherine Lane/iStock Whether you need a new battery for your flashlight, or are looking for a long-lasting, reliable option for your smoke detector, everyone needs a good 9 volt battery every once in awhile. It’s also a great idea to keep extra 9 volt batteries around in case of an emergency. That’s why we’ve found some of the best 9 volt batteries available.
What Is a 9 Volt Battery?
A 9 volt battery is a power source commonly used in small electronic devices, home appliances, and home security devices. They can easily be replaced and installed, the same as you would an AA battery or an AAA battery.
They were first introduced for transistor radios in 1956 and are commonly used in professional and home use today. They have a rectangular shape with rounded edges and are constructed of six 1.5V LR61 cells. Lithium batteries tend to work longer for high-drain devices, while alkaline batteries offer a more affordable option for low-drain devices.
Top 5 9-Volt Batteries
AmazonBasics 9 Volt Everyday Alkaline Batteries
Amazon’s own house brand of batteries, AmazonBasics 9 Volt Everyday Alkaline Batteries, are Amazon’s #1 best seller in 9 volt batteries, as well as the top rated 9V batteries and one of the “most wished for” items on Amazon. AmazonBasics offers affordable products, without sacrificing quality. In fact, these batteries are carefully tested and reviewed to ensure Amazon consistently offers high-quality products with uncompromised standards.
The batteries offer a three-year shelf life and can work with a variety of devices, including cameras, toys, remotes, clocks, flashlights, radios, and other household electronics. They are slightly longer than standard 9V batteries, but should still fit your electronics and home security devices fine. This affordable pack of eight batteries ships in certified frustration-free packaging.
Energizer Advanced Lithium 9V Batteries
Energizer Advanced Lithium 9V Batteries are a great long-lasting choice. The lithium design has a storage life of up to 10 years, and lithium batteries can last up to twice as long as alkaline batteries. They are leak resistant, weigh 25% less than a standard alkaline battery, and can perform well even in extreme temperatures. They offer more power, so you can count on them to run any devices, high-tech gadgets, smoke detectors, and electronics.
These high-energy batteries are one of Amazon’s best sellers. Energizer was named an Innovations Design and Engineering Award Honoree and is a trusted household name. Energizer MAX Alkaline Batteries and Rechargeable 9 Volt Batteries are also bestselling award-winners, so you’re bound to find the right batteries with Energizer.
Duracell Procell 9 Volt Batteries
Duracell Procell 9 Volt Batteries are one of Amazon’s best sellers, as well as the top rated 9V batteries and one of the “most wished for” items on Amazon. They are professional quality and manufactured specifically for industrial use, making them the preferred choice of sound technicians, broadcasters, police, and fire departments around the nation. They are also the preferred choice for hospitals and medical devices due to their unwavering reliability. They can also fit any device that the traditional Duracell Coppertop Batteries can fit, such as small radios, toys, remotes, calculators, smoke detectors, flashlights, and bathroom fixtures, so they are also perfect for home use. They have the longest lasting alkaline power cells available and are some of the most dependable batteries on the market, with a seven-year shelf life. They have secure seal corrosion resistance, so the sensitive equipment inside is well protected.
The 12-pack of batteries offers bulk pricing, which leads to significant savings. Duracell is the world’s #1 brand of batteries, has been a trusted household name for more than 40 years, guarantees dependable performance, and was awarded the Good Housekeeping Seal, so you’re bound to be satisfied.
EBL High Volume 9V Lithium-ion Low Self-Discharge Rechargeable Battery
The EBL® High Volume 9V Lithium-ion Low Self-discharge Rechargeable Battery was selected as the best 9V rechargeable battery by several independent review sites. The batteries come pre-charged and can be recharged up to 1,200 times, providing an incredible value. The improved “low-self discharge” means they will hold the charge for a year and can maintain 75% of capacity after three years of consistent usage, which is ideal for fire alarms, home security devices, and professional audio and medical devices. They can be charged anytime and offer convenient operation with no memory effect. The battery uses a new gel-type electrolyte, which has an energy density that is 20% more than other lithium ion batteries with only 550mAh capacity. Along with holding their charge for longer, they also last up to three times as long as other rechargeable 9V NiMH batteries.
The batteries are backed by outstanding reviews and a 30-day money back and one-year limited warranty. If you don’t already have a universal battery charger for rechargeable batteries, consider the affordable EBL® 829 Universal Battery Charger for AA/AAA/9V/18650 Rechargeable Batteries.
Duracell Alkaline 9 Volt Coppertop Batteries
The Duracell Alkaline 9 Volt Coppertop Batteries are the everyday-use version of the Duracell Procell 9V batteries. These mercury-free batteries are ideal for small radios, toys, remotes, smoke alarms, flashlights, and bathroom fixtures. They offer dependable, long-lasting results with an expected life of about seven years. These batteries are one of Amazon’s best sellers and even come with a free reusable plastic storage container. Duracell is the world’s #1 brand of batteries, has been a trusted household name for more than 40 years, guarantees dependable performance, and was awarded the Good Housekeeping Seal, so you’re bound to be satisfied.
And those are our recommendations for the best 9 volt batteries. As always, be sure to check Wise Bread's Buying Calendar to learn when and how to buy just about anything!
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Procell is the lowest tier of battery Duracell makes.