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Best Buy customers often prefer the following products when searching for Small Batteries.

Powering your key fob, toy, headset or other electronic device may require small batteries. If you're looking for ones that are durable and have a great shelf life, we've got you covered. Browse the top-ranked list of small batteries below along with associated reviews and opinions.

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  1. Energizer - 1632 Lithium Coin Battery, 1 Pack - Front_Zoom
    Top comment

    "Who knew such a small battery could pack suck a powerful punch !...Batteries are a great invention...Batteries store energy for use at a later time. This one is surprisingly small and only fits specific devices."

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    Product Description

    Don’t let their small size fool you: This Energizer 1632 Lithium Coin 3-Volt Battery delivers big time on long-lasting, dependable power for your coin-battery-operated items. From heart rate or glucose monitors, to remotes, keyless entry systems, key fobs, watches, toys and games, and even more specialized devices, our coin batteries are compatible with the devices that fit your life, so you can keep going. These reliable and durable Energizer Coin Lithium Batteries are able to withstand a wide range of temperatures (from -22º to 140º F) and can hold power in storage for up to eight years, giving you coin battery power you can depend on. Responsibly designed with zero mercury, it’s easy to see why Energizer Lithium Coin Batteries are the right choice for your specialty devices.
    See all Lithium Batteries
    Top comment

    "Who knew such a small battery could pack suck a powerful punch !...Batteries are a great invention...Batteries store energy for use at a later time. This one is surprisingly small and only fits specific devices."

    See all customer reviews

    Product Description

    Don’t let their small size fool you: This Energizer 1632 Lithium Coin 3-Volt Battery delivers big time on long-lasting, dependable power for your coin-battery-operated items. From heart rate or glucose monitors, to remotes, keyless entry systems, key fobs, watches, toys and games, and even more specialized devices, our coin batteries are compatible with the devices that fit your life, so you can keep going. These reliable and durable Energizer Coin Lithium Batteries are able to withstand a wide range of temperatures (from -22º to 140º F) and can hold power in storage for up to eight years, giving you coin battery power you can depend on. Responsibly designed with zero mercury, it’s easy to see why Energizer Lithium Coin Batteries are the right choice for your specialty devices.
    See all Lithium Batteries
    Your price for this item is $5.49
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  2. Energizer - 377 Batteries (2 Pack), Silver Oxide Button Cell Batteries - Front_Zoom
    Top comment

    "Typical battery...They are tiny, 1.55V. Best Buy doesn't have a big selection of batteries. ...Tiny Button Batteries...hard to find these small button batteries at a reasonable price"

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    Product Description

    Energizer 377 Batteries provide reliable, long lasting power for your important devices. Small in size, but big on power, trust these button batteries when you need key fob batteries or calculator batteries. Keep your keyless entry system or health monitor powered with these small batteries, or use them to keep your child's favorite toys and games ready for fun. For best results, store these 1.5V button cell batteries in a cool, dry place until you're ready to use them. Each 377 battery lasts up to five years in storage, so you can keep a stock conveniently on hand and ready when you need it. Choose Energizer batteries to deliver long lasting power that you can rely on.
    See all Specialty Batteries
    Top comment

    "Typical battery...They are tiny, 1.55V. Best Buy doesn't have a big selection of batteries. ...Tiny Button Batteries...hard to find these small button batteries at a reasonable price"

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    Product Description

    Energizer 377 Batteries provide reliable, long lasting power for your important devices. Small in size, but big on power, trust these button batteries when you need key fob batteries or calculator batteries. Keep your keyless entry system or health monitor powered with these small batteries, or use them to keep your child's favorite toys and games ready for fun. For best results, store these 1.5V button cell batteries in a cool, dry place until you're ready to use them. Each 377 battery lasts up to five years in storage, so you can keep a stock conveniently on hand and ready when you need it. Choose Energizer batteries to deliver long lasting power that you can rely on.
    See all Specialty Batteries
    Your price for this item is $7.19
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  3. Energizer - AAAA Batteries (2 Pack), Miniature Quadruple A Batteries - Front_Zoom
    Top comment

    "Batteries...Good, small batteries. Work as great as you could want a small battery to ever work....tiny batteries...Having recently purchased a Surface Pro with pen, I realized that I needed these little guys...who knew they came so small?? Performs as advertised"

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    Product Description

    Energizer AAAA Batteries provide dependable power to your important electronics. These mini batteries make long-lasting flashlight batteries, and they're compatible with a variety of devices, including wireless mice and TV remotes. Trust these AAAA alkaline batteries to reliably power your key fob and Connected Home security system. Miniature alkaline quadruple A batteries contain zero mercury to reduce environmental impact. Count on Energizer, the #1 brand of specialty batteries, to deliver dependable, long lasting power to your devices.
    See all Alkaline Batteries
    Top comment

    "Batteries...Good, small batteries. Work as great as you could want a small battery to ever work....tiny batteries...Having recently purchased a Surface Pro with pen, I realized that I needed these little guys...who knew they came so small?? Performs as advertised"

    See all customer reviews

    Product Description

    Energizer AAAA Batteries provide dependable power to your important electronics. These mini batteries make long-lasting flashlight batteries, and they're compatible with a variety of devices, including wireless mice and TV remotes. Trust these AAAA alkaline batteries to reliably power your key fob and Connected Home security system. Miniature alkaline quadruple A batteries contain zero mercury to reduce environmental impact. Count on Energizer, the #1 brand of specialty batteries, to deliver dependable, long lasting power to your devices.
    See all Alkaline Batteries
    Your price for this item is $5.99
    Save $1
    The comparable value price is $6.99
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  4. Canon - Rechargeable Lithium-Ion Battery for LP-E17 - Front_Zoom
    Top comment

    "So small!...I love that these batteries are so small. I needed a secondary battery and this exactly what I needed!...Charges canon battery likes it’s supoosed to, not much to it. Nice compact design where plug folds into the unit for storage and won’t be sticking out all the time. "

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    Product Description

    Keep your compatible Canon camera ready for use with this Canon LP-E17 9967B002 replacement battery, which features lithium-ion chemistry for reliable power.
    See all Camcorder Batteries
    Top comment

    "So small!...I love that these batteries are so small. I needed a secondary battery and this exactly what I needed!...Charges canon battery likes it’s supoosed to, not much to it. Nice compact design where plug folds into the unit for storage and won’t be sticking out all the time. "

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    Product Description

    Keep your compatible Canon camera ready for use with this Canon LP-E17 9967B002 replacement battery, which features lithium-ion chemistry for reliable power.
    See all Camcorder Batteries
    Your price for this item is $68.99
    See all Camcorder Batteries
  5. Energizer - 2032 Batteries (6 Pack), 3V Lithium Coin Batteries - Front_Zoom
    Top comment

    "These batteries work...A difficult review to write, because the only thing to state is that these 2032 batteries do what they are supposed to do, which is to power certain very small devices. ...I use them for my igrill mini that Burns’s through batteries."

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    Product Description

    Energizer 2032 Lithium Coin Batteries provide reliable, long lasting power for your important devices. These lithium 2032 batteries perform in extreme temperatures ranging from -22 F to 140 F for dependable power, even in the toughest conditions. Reach for these Energizer batteries when you need key fob batteries, batteries for remotes, or glucose monitors and heart monitors. Energizer coin batteries are also an ideal power source for your keyless entry system, toys and games. Lasting up to 10 years in storage, these lithium batteries provide reliable power whenever you need them. Energizer packages its lithium coin batteries in child-resistant packaging, designed to help keep kids safe from ingesting them.
    See all Lithium Batteries
    Top comment

    "These batteries work...A difficult review to write, because the only thing to state is that these 2032 batteries do what they are supposed to do, which is to power certain very small devices. ...I use them for my igrill mini that Burns’s through batteries."

    See all customer reviews

    Product Description

    Energizer 2032 Lithium Coin Batteries provide reliable, long lasting power for your important devices. These lithium 2032 batteries perform in extreme temperatures ranging from -22 F to 140 F for dependable power, even in the toughest conditions. Reach for these Energizer batteries when you need key fob batteries, batteries for remotes, or glucose monitors and heart monitors. Energizer coin batteries are also an ideal power source for your keyless entry system, toys and games. Lasting up to 10 years in storage, these lithium batteries provide reliable power whenever you need them. Energizer packages its lithium coin batteries in child-resistant packaging, designed to help keep kids safe from ingesting them.
    See all Lithium Batteries
    Your price for this item is $14.49
    See all Lithium Batteries
  6. EcoFlow - DELTA 2 Smart Extra Battery (1024 Wh Capacity) - Front_Zoom

    Product Description

    Planning a longer trip off the grid or anticipating extended power outages? The EcoFlow DELTA 2 Extra Battery is the perfect solution to keep you powered up. This add-on seamlessly integrates with your DELTA 2, doubling your power capacity to an impressive 2048Wh. The battery itself is equipped with advanced lithium iron phosphate (LiFePO4) technology, ensuring up to 3000 cycles before reaching 80% capacity, providing a long-lasting and durable power source. It’s also designed with multiple safety features including overvoltage, overcurrent, and over-temperature protection. Whether you’re planning an extended adventure or need reliable backup power at home, this extra battery ensures you have the energy to stay connected and powered up. Easy to attach and manage, it’s the perfect enhancement for your DELTA 2 system, providing extended power for all your needs.
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    Product Description

    Planning a longer trip off the grid or anticipating extended power outages? The EcoFlow DELTA 2 Extra Battery is the perfect solution to keep you powered up. This add-on seamlessly integrates with your DELTA 2, doubling your power capacity to an impressive 2048Wh. The battery itself is equipped with advanced lithium iron phosphate (LiFePO4) technology, ensuring up to 3000 cycles before reaching 80% capacity, providing a long-lasting and durable power source. It’s also designed with multiple safety features including overvoltage, overcurrent, and over-temperature protection. Whether you’re planning an extended adventure or need reliable backup power at home, this extra battery ensures you have the energy to stay connected and powered up. Easy to attach and manage, it’s the perfect enhancement for your DELTA 2 system, providing extended power for all your needs.
    See all Solar Generators & Power Banks
    Your price for this item is $699.00
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  7. APC - Back-UPS Pro 1050VA Retail, 1050VA, 600W, 8 outlets - Black - Front_Zoom
    Top comment

    "Powerful Backup Battery...This backup battery is compact, sleek and powerful. Its multiple ports make it perfect for office use with multiple devices plugged into it....Good for a Small Business!...Good Battery Back-up! It's great for a Small Business."

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    Product Description

    The APC Back-UPS Pro BN1050M mini-tower model is designed to power your critical electronics during blackouts and protect them from the dangers of surges, spikes, lightning, and power outages. By powering your critical electronics during blackouts, you ensure personal and professional connectivity when it matters most. Improvements in size and surge protection come at an affordable price, making the Back-UPS ProBN1050M mini-tower model a perfect solution for your power protection needs.
    See all Battery Backup (UPS)
    Top comment

    "Powerful Backup Battery...This backup battery is compact, sleek and powerful. Its multiple ports make it perfect for office use with multiple devices plugged into it....Good for a Small Business!...Good Battery Back-up! It's great for a Small Business."

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    Product Description

    The APC Back-UPS Pro BN1050M mini-tower model is designed to power your critical electronics during blackouts and protect them from the dangers of surges, spikes, lightning, and power outages. By powering your critical electronics during blackouts, you ensure personal and professional connectivity when it matters most. Improvements in size and surge protection come at an affordable price, making the Back-UPS ProBN1050M mini-tower model a perfect solution for your power protection needs.
    See all Battery Backup (UPS)
    Your price for this item is $164.99
    See all Battery Backup (UPS)
  8. Energizer - A23 Batteries (2 Pack), Miniature Alkaline Small Batteries - Front_Zoom
    Top comment

    "Pretty batteries...Work great, nice color for such tiny cute batteries....Hey...They're batteries. What more can I say. Oh...there's a plus side and a minus side. "

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    Product Description

    Energizer A23 Batteries provide reliable power to your important gadgets. These mini batteries are compatible with a variety of devices, including your keyless entry system, bluetooth headsets and home security systems. Reach for these specialty batteries when you need replacement camera batteries or a new garage door opener battery. Miniature alkaline Energizer batteries contain zero mercury to reduce environmental impact. Count on Energizer, the #1 brand of specialty batteries, to deliver dependable, long lasting power to your devices.
    See all Alkaline Batteries
    Top comment

    "Pretty batteries...Work great, nice color for such tiny cute batteries....Hey...They're batteries. What more can I say. Oh...there's a plus side and a minus side. "

    See all customer reviews

    Product Description

    Energizer A23 Batteries provide reliable power to your important gadgets. These mini batteries are compatible with a variety of devices, including your keyless entry system, bluetooth headsets and home security systems. Reach for these specialty batteries when you need replacement camera batteries or a new garage door opener battery. Miniature alkaline Energizer batteries contain zero mercury to reduce environmental impact. Count on Energizer, the #1 brand of specialty batteries, to deliver dependable, long lasting power to your devices.
    See all Alkaline Batteries
    Your price for this item is $4.99
    Save $1
    The comparable value price is $5.99
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  9. Rayovac - High Energy D Batteries (4 Pack), Alkaline D Cell Batteries - Front_Zoom
    Top comment

    "Batteries...They had both a plus and minus end, they came encased in form fitting plastic and were filled with electric goodness....Battery Plus Lights Minus...Of course Rayovac batteries are one of the best, made in the USA, excellent life. "

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    Product Description

    Provide power to household electronics with this Rayovac 813-4TF2 D batteries 4-pack. Reclosable packaging lets you take what you need and stow the rest neatly away.
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    Top comment

    "Batteries...They had both a plus and minus end, they came encased in form fitting plastic and were filled with electric goodness....Battery Plus Lights Minus...Of course Rayovac batteries are one of the best, made in the USA, excellent life. "

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    Product Description

    Provide power to household electronics with this Rayovac 813-4TF2 D batteries 4-pack. Reclosable packaging lets you take what you need and stow the rest neatly away.
    See all Alkaline Batteries
    Your price for this item is $6.99
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  10. Energizer - 123 Lithium Batteries (4 Pack), 3V Photo Batteries - Front_Zoom
    Top comment

    "Great little batteries....They could be a little more affordable but they do work. Nice compact sized battery with a nice bit of power to them....Its tiny...It's the cutest most powerful battery"

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    Product Description

    Energizer 123 Lithium Photo Batteries deliver reliable performance for your high tech devices. Place these powerful batteries in your cameras, and capture that perfect photo or video without worrying about your batteries running low. Lithium 123 batteries are also a long lasting, dependable choice when you need flashlight batteries or replacement batteries for your smart home devices. Energizer 123 lithium batteries last up to 10 years in storage, letting you keep a ready supply available when you need them. Count on Energizer lithium batteries to ensure your high tech devices stay powered and ready to capture precious memories.
    See all Camera Batteries & Power
    Top comment

    "Great little batteries....They could be a little more affordable but they do work. Nice compact sized battery with a nice bit of power to them....Its tiny...It's the cutest most powerful battery"

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    Product Description

    Energizer 123 Lithium Photo Batteries deliver reliable performance for your high tech devices. Place these powerful batteries in your cameras, and capture that perfect photo or video without worrying about your batteries running low. Lithium 123 batteries are also a long lasting, dependable choice when you need flashlight batteries or replacement batteries for your smart home devices. Energizer 123 lithium batteries last up to 10 years in storage, letting you keep a ready supply available when you need them. Count on Energizer lithium batteries to ensure your high tech devices stay powered and ready to capture precious memories.
    See all Camera Batteries & Power
    Your price for this item is $20.99
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