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household essentials

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household batteries

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alkaline batteries

Lightweight 9v Battery

A battery is an electrochemical device that stores energy and releases it on demand. The main purpose of a battery is to provide power for electronic devices. Browse the top-ranked list of lightweight 9V batteries below along with associated reviews and opinions.

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  1. Energizer - MAX 9V Batteries (2 Pack), 9 Volt Alkaline Batteries

    SKU: J78676CL43

    Energizer batteries are the best...The batteries are very long lasting and I love them. Great price....The best batteries out there guys....Absolutely great batteries I love the brand I was having problems...

    Product Description

    A reliable pair of silver 9V alkaline batteries providing long-lasting, leak-resistant power for everyday devices.
    See all Alkaline Batteries
    Your price for this item is $6.49
    Save $6
    The previous price was $12.49

  2. Energizer - Ultimate Lithium 9V Batteries (1 Pack), Lithium 9 Volt Batteries

    SKU: J7867QLL9W

    All you need is to go to Best Buy for you Gift cards for many other restuarants, etc. The Best....The best 9v battery I have ever owned. Out last all of the previous batteries...Great place to shop....

    Product Description

    A silver lithium 9V battery offering long-lasting power, leak resistance, and reliable performance in extreme temperatures.
    See all Lithium Batteries
    Your price for this item is $15.99
    Save $3
    The previous price was $18.99

  3. Energizer - Ultimate Lithium 9-Volt 9 V Battery 2 pk

    SKU: J7867QLL67

    The Best!...The lithium line is the best. They always last long. They’re easy to install.

    Product Description

    A pack of two long-lasting lithium 9V batteries designed for critical devices at home or work.
    See all Lithium Batteries
    Your price for this item is $45.30

  4. Energizer - MAX 9V Batteries (1 Pack), 9 Volt Alkaline Batteries

    SKU: J7867674K6

    The best!...These batteries are great and they are very long lasting compared to other brands....Best value

    Product Description

    A dependable silver 9V alkaline battery providing long-lasting, leak-resistant power for everyday electronics.
    See all Alkaline Batteries
    Your price for this item is $23.68

  5. Rayovac - High Energy 9V Batteries (4 Pack), Alkaline 9 Volt Batteries

    SKU: J7CCPKL29T

    Great value for the money ..last a long timeBest buy is great...Great way to use your best buy rewards,we all need batteries right.

    Product Description

    A pack of four silver alkaline 9V batteries engineered for long-lasting, dependable performance in household devices.
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    Your price for this item is $10.99
    Save $2
    The previous price was $13.49

  6. Rayovac - Fusion 9V Batteries (2 Pack), Alkaline 9 Volt Batteries

    SKU: J7CCPKLS45

    So great to have Best Buy make the simple batteries available to not have to go to different locations...Long lasting, great quality!...Love the Fusion line of batteries! Long lasting Alkaline batteries...

    Product Description

    A powerful pair of silver alkaline 9V batteries engineered for high-drain devices and long-lasting performance.
    See all Alkaline Batteries
    Your price for this item is $9.49

  7. Energizer - LN522 Industrial Lithium 9V Battery (12/Box)

    SKU: J78676L5JF

    Product Description

    A long-lasting, leakproof lithium 9V battery designed for professional devices and extreme temperature performance.
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    Your price for this item is $179.99

  8. Rayovac - High Energy 9-Volt Alkaline Batteries 1 pk Carded

    SKU: J7CCPW42R3

    Great performance....Great for Smoke Detectors!

    Product Description

    A dependable alkaline 9-volt battery ideal for medium-drain devices, flashlights, and household electronics.
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    Your price for this item is $18.83
    Save $0
    The previous price was $18.94
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FAQ

Lightweight 9V batteries are commonly used in devices such as smoke detectors, wireless microphones, guitar pedals, clocks, toys, and select electronic accessories.

Depending on the product, a lightweight 9V battery may use alkaline, lithium, or rechargeable chemistry. Check the product specifications to identify the chemistry of a specific battery.

Most 9V batteries use a snap-style connector with positive and negative terminals positioned at the top of the battery.

The terminals are typically marked with plus (+) and minus (−) symbols, helping you match the battery connector to the device.

Store the battery in a cool, dry location and keep it in its original packaging or another way that prevents the terminals from contacting metal objects.