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Best Buy customers often prefer the following products when searching for lightest batteries.

A battery is a device that stores chemical energy and converts it to electrical energy. The chemical reactions in a battery involve the flow of electrons from one material (electrode) to another, through an external circuit. The flow of electrons provides an electric current that can be used to do work. Browse the top-ranked list of lightest batteries below along with associated reviews and opinions.

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  1. BlackWolf - Wush Powered Ear Cleaner - Black - Front_Zoom
    Top comment

    "Runs out of water quickly. Charge for battery lasts a very long time. tip is simple to clean....There are three settings but using the lightest pressure setting works fine most of the time. "

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    Product Description

    Wush is the new, safe, and effective way to remove earwax. With the press of a button, Wush generates a massaging triple jet stream of water that gently removes wax build-up and flushes it away.
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    Top comment

    "Runs out of water quickly. Charge for battery lasts a very long time. tip is simple to clean....There are three settings but using the lightest pressure setting works fine most of the time. "

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    Product Description

    Wush is the new, safe, and effective way to remove earwax. With the press of a button, Wush generates a massaging triple jet stream of water that gently removes wax build-up and flushes it away.
    See all Hearing Aid Accessories
    Your price for this item is $69.99
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  2. Energizer Ultimate Lithium AA Batteries (8 Pack), Double A Batteries - Front_Zoom
    Top comment

    "This 8 pack is convenient . Has long battery life....Battery life...Great product, great battery life .I will recommend others to buy this product."

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    Product Description

    Nothing outlasts Energizer Ultimate Lithium AA Batteries. These household batteries are not only the world's longest lasting AA batteries, but they also feature leak resistant construction and superior performance in extreme temperatures ranging from -40 degrees F to 140 degrees F. Use these AA lithium batteries to power a variety of high tech and household items, whether you need smoke detector batteries, camera batteries, or double A batteries to power your child's favorite toys and games. Ultimate Lithium Energizer AA batteries weigh one-third less than standard alkaline batteries, and they hold power for up to 20 years in storage, letting you keep a ready supply available when you need them. To ensure your favorite devices operate at their peak performance, depend on Energizer Ultimate Lithium batteries for work, play and home.
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    Top comment

    "This 8 pack is convenient . Has long battery life....Battery life...Great product, great battery life .I will recommend others to buy this product."

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    Product Description

    Nothing outlasts Energizer Ultimate Lithium AA Batteries. These household batteries are not only the world's longest lasting AA batteries, but they also feature leak resistant construction and superior performance in extreme temperatures ranging from -40 degrees F to 140 degrees F. Use these AA lithium batteries to power a variety of high tech and household items, whether you need smoke detector batteries, camera batteries, or double A batteries to power your child's favorite toys and games. Ultimate Lithium Energizer AA batteries weigh one-third less than standard alkaline batteries, and they hold power for up to 20 years in storage, letting you keep a ready supply available when you need them. To ensure your favorite devices operate at their peak performance, depend on Energizer Ultimate Lithium batteries for work, play and home.
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    Your price for this item is $25.49
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  3. Rechargeable Lithium-Ion Replacement Battery for GoPro HERO11 Black/HERO10 Black/HERO9 Black (2-Pack) - Front_Zoom
    Top comment

    "Better battery life than the standard GoPro batteries when dealing with any sort of temperature change....Good battery...Great quality batteries, charge fast and last a long time"

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    Product Description

    Keep your GoPro ADBAT-211 HERO9 or HERO10 cameras powered with this two-pack of Enduro lithium-ion camera batteries. The 1720 mAh capacity provides ample power for long recording sessions on a single charge, while the fast-charging support lets you get back to snapping actions shots in no time. These Enduro lithium-ion camera batteries are optimized for cold weather, helping maintain your camera's performance even at low temperatures.
    See all Action Camera Batteries & Chargers
    Top comment

    "Better battery life than the standard GoPro batteries when dealing with any sort of temperature change....Good battery...Great quality batteries, charge fast and last a long time"

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    Product Description

    Keep your GoPro ADBAT-211 HERO9 or HERO10 cameras powered with this two-pack of Enduro lithium-ion camera batteries. The 1720 mAh capacity provides ample power for long recording sessions on a single charge, while the fast-charging support lets you get back to snapping actions shots in no time. These Enduro lithium-ion camera batteries are optimized for cold weather, helping maintain your camera's performance even at low temperatures.
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    Your price for this item is $39.99
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  4. GoPro - Enduro Rechargeable Lithium-Ion Replacement Battery for HERO11 Black/HERO10 Black/HERO9 Black - Front_Zoom
    Top comment

    "This battery did so well that i decided to replace all of the original Gopro batteries with the Enduro batteries. ...Extended battery life...great product, bettrn than the battery that comes with gopro."

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    Product Description

    Enduro features revolutionary technology that dramatically improves your HERO10 or HERO9 Black’s performance in cold temperatures while also extending recording times by up to 40% in moderate temperatures. It lets you power through ski, snowboard and other winter shots at lower temperatures than ever before. Faster charging also means less waiting and more time chasing your adventure.
    See all Action Camera Batteries & Chargers
    Top comment

    "This battery did so well that i decided to replace all of the original Gopro batteries with the Enduro batteries. ...Extended battery life...great product, bettrn than the battery that comes with gopro."

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    Product Description

    Enduro features revolutionary technology that dramatically improves your HERO10 or HERO9 Black’s performance in cold temperatures while also extending recording times by up to 40% in moderate temperatures. It lets you power through ski, snowboard and other winter shots at lower temperatures than ever before. Faster charging also means less waiting and more time chasing your adventure.
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    Your price for this item is $24.99
    See all Action Camera Batteries & Chargers
  5. Greenworks - 80 Volt 4Ah Battery (Charger not included) - Front_Zoom
    Top comment

    "battery use duration is marginal...plenty of power - use duration is still marginal. Better have two batteries...I have two batteries so I can charge one while using the other."

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    Product Description

    Take your Greenworks 80V tools to the next level with this high-capacity, 4.0 Ah Lithium-Ion Battery. It delivers fade-free power with a faster charge, more power & more runtime. The Greenworks lineup features over 20 high-performance Pro 80V tools, allowing you to ditch your gas tools for an innovative, eco-friendly alternative.
    See all Power Tool Batteries and Chargers
    Top comment

    "battery use duration is marginal...plenty of power - use duration is still marginal. Better have two batteries...I have two batteries so I can charge one while using the other."

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    Product Description

    Take your Greenworks 80V tools to the next level with this high-capacity, 4.0 Ah Lithium-Ion Battery. It delivers fade-free power with a faster charge, more power & more runtime. The Greenworks lineup features over 20 high-performance Pro 80V tools, allowing you to ditch your gas tools for an innovative, eco-friendly alternative.
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    Your price for this item is $199.99
    The previous price was $299.99
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  6. Energizer MAX AA Batteries (24 Pack), Double A Alkaline Batteries - Front_Zoom
    Top comment

    "Good battery life...Energizer batteries are the best. It last forever....Long lasting battery life...I still have some batteries left even though I bought this pack on black Friday, the battery life is crazy good."

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    Product Description

    Power the devices you love with Energizer MAX Alkaline AA Batteries. These Energizer batteries fuel the technology that helps you live, work and play, whether you need remote batteries, clock batteries, or backup batteries for your child's favorite toys and games. Energizer's #1 longest-lasting MAX, these double A batteries keep your favorite devices running longer. Powerseal Technology helps protect your devices against damaging leaks for up to two years after these AA Energizer MAX Batteries are fully used. With a shelf life of up to 10 years in storage, these long lasting batteries are ready to keep your devices operating when you need them most. Depend on the power of Energizer MAX AA Batteries to power your everyday electronics.
    See all Alkaline Batteries
    Top comment

    "Good battery life...Energizer batteries are the best. It last forever....Long lasting battery life...I still have some batteries left even though I bought this pack on black Friday, the battery life is crazy good."

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    Product Description

    Power the devices you love with Energizer MAX Alkaline AA Batteries. These Energizer batteries fuel the technology that helps you live, work and play, whether you need remote batteries, clock batteries, or backup batteries for your child's favorite toys and games. Energizer's #1 longest-lasting MAX, these double A batteries keep your favorite devices running longer. Powerseal Technology helps protect your devices against damaging leaks for up to two years after these AA Energizer MAX Batteries are fully used. With a shelf life of up to 10 years in storage, these long lasting batteries are ready to keep your devices operating when you need them most. Depend on the power of Energizer MAX AA Batteries to power your everyday electronics.
    See all Alkaline Batteries
    Your price for this item is $27.49
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  7. Energizer MAX AA Batteries (10 Pack), Double A Alkaline Batteries - Front_Zoom
    Top comment

    "very good batteries. long battery life. reasonable price...Good Battery Life (I mean, they are batteries)...Long battery life. Energizers are the best there is."

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    Product Description

    Power the devices you love with Energizer MAX Alkaline AA Batteries. These Energizer batteries fuel the technology that helps you live, work and play, whether you need remote batteries, clock batteries, or backup batteries for your child's favorite toys and games. Energizer's #1 longest-lasting MAX, these double A batteries keep your favorite devices running longer. Powerseal Technology helps protect your devices against damaging leaks for up to two years after these AA Energizer MAX Batteries are fully used. With a shelf life of up to 10 years in storage, these long lasting batteries are ready to keep your devices operating when you need them most. Depend on the power of Energizer MAX AA Batteries to power your everyday electronics.
    See all Alkaline Batteries
    Top comment

    "very good batteries. long battery life. reasonable price...Good Battery Life (I mean, they are batteries)...Long battery life. Energizers are the best there is."

    See all customer reviews

    Product Description

    Power the devices you love with Energizer MAX Alkaline AA Batteries. These Energizer batteries fuel the technology that helps you live, work and play, whether you need remote batteries, clock batteries, or backup batteries for your child's favorite toys and games. Energizer's #1 longest-lasting MAX, these double A batteries keep your favorite devices running longer. Powerseal Technology helps protect your devices against damaging leaks for up to two years after these AA Energizer MAX Batteries are fully used. With a shelf life of up to 10 years in storage, these long lasting batteries are ready to keep your devices operating when you need them most. Depend on the power of Energizer MAX AA Batteries to power your everyday electronics.
    See all Alkaline Batteries
    Your price for this item is $12.99
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  8. Energizer MAX AA Batteries (12 Pack), Double A Alkaline Batteries - Front_Zoom
    Top comment

    "Good battery...I get good battery life withEnergizer batteries. Best Buy had a good price on the 12 pack...great battery life...great battery life, always prefer energizer batteries to other brands because they tend to last longer"

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    Product Description

    Power the devices you love with Energizer MAX Alkaline AA Batteries. These Energizer batteries fuel the technology that helps you live, work and play, whether you need remote batteries, clock batteries, or backup batteries for your child's favorite toys and games. Energizer's #1 longest-lasting MAX, these double A batteries keep your favorite devices running longer. Powerseal Technology helps protect your devices against damaging leaks for up to two years after these AA Energizer MAX Batteries are fully used. With a shelf life of up to 10 years in storage, these long lasting batteries are ready to keep your devices operating when you need them most. Depend on the power of Energizer MAX AA Batteries to power your everyday electronics.
    See all Household Batteries
    Top comment

    "Good battery...I get good battery life withEnergizer batteries. Best Buy had a good price on the 12 pack...great battery life...great battery life, always prefer energizer batteries to other brands because they tend to last longer"

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    Product Description

    Power the devices you love with Energizer MAX Alkaline AA Batteries. These Energizer batteries fuel the technology that helps you live, work and play, whether you need remote batteries, clock batteries, or backup batteries for your child's favorite toys and games. Energizer's #1 longest-lasting MAX, these double A batteries keep your favorite devices running longer. Powerseal Technology helps protect your devices against damaging leaks for up to two years after these AA Energizer MAX Batteries are fully used. With a shelf life of up to 10 years in storage, these long lasting batteries are ready to keep your devices operating when you need them most. Depend on the power of Energizer MAX AA Batteries to power your everyday electronics.
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    Your price for this item is $15.49
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  9. Energizer MAX AA Batteries (4 Pack), Double A Alkaline Batteries - Front_Zoom
    Top comment

    "Batteries!...Bought these batteries for game console controllers! Decent battery life span!...Great batteries...Has an unusually long battery life. Very dependable."

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    Product Description

    Power the devices you love with Energizer MAX Alkaline AA Batteries. These Energizer batteries fuel the technology that helps you live, work and play, whether you need remote batteries, clock batteries, or backup batteries for your child's favorite toys and games. Energizer's #1 longest-lasting MAX, these double A batteries keep your favorite devices running longer. Powerseal Technology helps protect your devices against damaging leaks for up to two years after these AA Energizer MAX Batteries are fully used. With a shelf life of up to 10 years in storage, these long lasting batteries are ready to keep your devices operating when you need them most. Depend on the power of Energizer MAX AA Batteries to power your everyday electronics.
    See all Alkaline Batteries
    Top comment

    "Batteries!...Bought these batteries for game console controllers! Decent battery life span!...Great batteries...Has an unusually long battery life. Very dependable."

    See all customer reviews

    Product Description

    Power the devices you love with Energizer MAX Alkaline AA Batteries. These Energizer batteries fuel the technology that helps you live, work and play, whether you need remote batteries, clock batteries, or backup batteries for your child's favorite toys and games. Energizer's #1 longest-lasting MAX, these double A batteries keep your favorite devices running longer. Powerseal Technology helps protect your devices against damaging leaks for up to two years after these AA Energizer MAX Batteries are fully used. With a shelf life of up to 10 years in storage, these long lasting batteries are ready to keep your devices operating when you need them most. Depend on the power of Energizer MAX AA Batteries to power your everyday electronics.
    See all Alkaline Batteries
    Your price for this item is $7.49
    See all Alkaline Batteries
  10. Energizer MAX AA Batteries (20 Pack), Double A Alkaline Batteries - Front_Zoom
    Top comment

    "Batteries...More quantity for Great value. And last long battery life....Good battery life...One of the best batteries I’ve bought! Excellent battery life for all my devices and controllers!"

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    Product Description

    Power the devices you love with Energizer MAX Alkaline AA Batteries. These Energizer batteries fuel the technology that helps you live, work and play, whether you need remote batteries, clock batteries, or backup batteries for your child's favorite toys and games. Energizer's #1 longest-lasting MAX, these double A batteries keep your favorite devices running longer. Powerseal Technology helps protect your devices against damaging leaks for up to two years after these AA Energizer MAX Batteries are fully used. With a shelf life of up to 10 years in storage, these long lasting batteries are ready to keep your devices operating when you need them most. Depend on the power of Energizer MAX AA Batteries to power your everyday electronics.
    See all Alkaline Batteries
    Top comment

    "Batteries...More quantity for Great value. And last long battery life....Good battery life...One of the best batteries I’ve bought! Excellent battery life for all my devices and controllers!"

    See all customer reviews

    Product Description

    Power the devices you love with Energizer MAX Alkaline AA Batteries. These Energizer batteries fuel the technology that helps you live, work and play, whether you need remote batteries, clock batteries, or backup batteries for your child's favorite toys and games. Energizer's #1 longest-lasting MAX, these double A batteries keep your favorite devices running longer. Powerseal Technology helps protect your devices against damaging leaks for up to two years after these AA Energizer MAX Batteries are fully used. With a shelf life of up to 10 years in storage, these long lasting batteries are ready to keep your devices operating when you need them most. Depend on the power of Energizer MAX AA Batteries to power your everyday electronics.
    See all Alkaline Batteries
    Your price for this item is $23.99
    See all Alkaline Batteries
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