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

Batteries are the lifeblood of our phones, and if you're looking to replace the ones in your compact phone, then you probably need batteries with a slim profile. These slim batteries can definitely hold a charge and they will bring your phone back to life. Browse the top-ranked list of slim batteries for phones below along with associated reviews and opinions.

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  1. Energizer - AAAA Batteries (2 Pack), Miniature Quadruple A Batteries - Front_Zoom
    Top comment

    "cool little thin battery...need this battery to run the surface pen, best buy has these batteries, hard to find otherwise...Had thought I'd be working with a bunch of small hearing aid batteries stacked on top of each other. Nice to know that they make a battery slim enough to fit in a pen."

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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

    "cool little thin battery...need this battery to run the surface pen, best buy has these batteries, hard to find otherwise...Had thought I'd be working with a bunch of small hearing aid batteries stacked on top of each other. Nice to know that they make a battery slim enough to fit in a pen."

    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
    See all Alkaline Batteries
  2. Google - Nest Wi-Fi Video Doorbell - Battery Operated - Snow - Front_Zoom
    Top comment

    "Was pleased to receive the Google Nest Battery Doorbell as our old one was getting very temperamental! ...Great item and slim...I like how slim this is compared to the Ring. It works well"

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    Product Description

    The Nest Doorbell is the battery-powered video doorbell that works with any home. See what’s happening at your door from anywhere and get intelligent alerts about important activity, like when there’s a person, package, animal, or vehicle.* And because there are no wires, you can install it yourself. Nest Doorbell requires the Google Home app and a Google Account – it’s not compatible with the Nest app or the home.nest.com site.
    See all Smart Doorbells
    Top comment

    "Was pleased to receive the Google Nest Battery Doorbell as our old one was getting very temperamental! ...Great item and slim...I like how slim this is compared to the Ring. It works well"

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    Product Description

    The Nest Doorbell is the battery-powered video doorbell that works with any home. See what’s happening at your door from anywhere and get intelligent alerts about important activity, like when there’s a person, package, animal, or vehicle.* And because there are no wires, you can install it yourself. Nest Doorbell requires the Google Home app and a Google Account – it’s not compatible with the Nest app or the home.nest.com site.
    See all Smart Doorbells
    See all Smart Doorbells
  3. Belkin - BoostCharge Dual USB-A Car Charger 24W - Black - Front_Zoom

    Product Description

    Charge two devices simultaneously with our Dual USB-A Car Charger. This compact charger is compatible with the latest iphone 14 and offers faster-than-standard charging speeds and an LED indicator.
    See all Cell Phone Chargers & Cables

    Product Description

    Charge two devices simultaneously with our Dual USB-A Car Charger. This compact charger is compatible with the latest iphone 14 and offers faster-than-standard charging speeds and an LED indicator.
    See all Cell Phone Chargers & Cables
    See all Cell Phone Chargers & Cables
  4. Belkin - BoostCharge Dual 10W Wireless Charging Pads - White - Front_Zoom

    Product Description

    The Belkin Quick Charge Dual Wireless Charging Pad is the perfect way to keep up to two of your devices charged and ready to go. The elegant design and sleek black finish of Belkin Quick Charge Wireless Charging Pad makes it an ideal iPhone, Samsung, and Google phone charger for any home or office space. The durable pad can fit almost anywhere, and the subtle and elegant design looks right at home on a nightstand or desk, while the non-slip grip on each pad ensures your devices stay securely in place. The Quick Charge Wireless Dual Charging Pad is perfect for charging your smartphone wire-free, and the built-in LED indicator light notifies you about optimal charging. The Belkin Quick Charge Dual Wireless Charging Pad allows you to quickly and easily charge multiple Qi-enabled devices at incredibly fast speeds, featuring Qi technology that delivers safe power transfer up to 10 watts for a rapid wireless charging experience. The phone charger works with iPhone 14, iPhone 13, iPhone 12, iPhone 11, iPhone X, iPhone 8 & iPhone SE including all standard, Plus, Pro, Pro Max and Mini models, as well as Qi-enabled phones from Samsung, Google, and more!
    See all Cell Phone Chargers & Cables

    Product Description

    The Belkin Quick Charge Dual Wireless Charging Pad is the perfect way to keep up to two of your devices charged and ready to go. The elegant design and sleek black finish of Belkin Quick Charge Wireless Charging Pad makes it an ideal iPhone, Samsung, and Google phone charger for any home or office space. The durable pad can fit almost anywhere, and the subtle and elegant design looks right at home on a nightstand or desk, while the non-slip grip on each pad ensures your devices stay securely in place. The Quick Charge Wireless Dual Charging Pad is perfect for charging your smartphone wire-free, and the built-in LED indicator light notifies you about optimal charging. The Belkin Quick Charge Dual Wireless Charging Pad allows you to quickly and easily charge multiple Qi-enabled devices at incredibly fast speeds, featuring Qi technology that delivers safe power transfer up to 10 watts for a rapid wireless charging experience. The phone charger works with iPhone 14, iPhone 13, iPhone 12, iPhone 11, iPhone X, iPhone 8 & iPhone SE including all standard, Plus, Pro, Pro Max and Mini models, as well as Qi-enabled phones from Samsung, Google, and more!
    See all Cell Phone Chargers & Cables
    See all Cell Phone Chargers & Cables
  5. Belkin - BoostCharge Pro Dual USB-C PD GaN Wall Charger 68W - White - Front_Zoom

    Product Description

    Belkin’s Dual Port USB-C 68W GaN Wall Charger offers fast charging for multiple devices in an unusually compact, convenient size. Using GaN technology, the USB Type C charger provides a combined 68W between two ports, and intelligently delivers the most efficient charge to each device. When charging one device, it delivers up to 60W. When using both ports, it can power laptops up to 50W, while the other port fast charges compatible iPhone models up to 18W. The iPhone charger can fast charge an iPhone 15, or it can charge a MacBook Pro from 0-50% in 60 minutes*. The USB Type C charger block has foldable prongs making it easy to take everywhere. The USB charger has certified over-voltage protection, giving peace of mind that your device will charge safely, without overheating. USB-C Power Delivery certification ensures reliable performance with all compatible devices, and its 2-year warranty and Connected Equipment Warranty (CEW) ensures your devices are safe and protected.*60W USB-PD charges MacBook Pro from 0-50% in 60 minutes over USB-C. Now compatible with Apple iPhone 15, iPhone 15 Plus, iPhone 15 Pro, and iPhone 15 Pro Max, plus Samsung Galaxy S24, Galaxy S24+, and Galaxy S24 Ultra
    See all Cell Phone Chargers & Cables

    Product Description

    Belkin’s Dual Port USB-C 68W GaN Wall Charger offers fast charging for multiple devices in an unusually compact, convenient size. Using GaN technology, the USB Type C charger provides a combined 68W between two ports, and intelligently delivers the most efficient charge to each device. When charging one device, it delivers up to 60W. When using both ports, it can power laptops up to 50W, while the other port fast charges compatible iPhone models up to 18W. The iPhone charger can fast charge an iPhone 15, or it can charge a MacBook Pro from 0-50% in 60 minutes*. The USB Type C charger block has foldable prongs making it easy to take everywhere. The USB charger has certified over-voltage protection, giving peace of mind that your device will charge safely, without overheating. USB-C Power Delivery certification ensures reliable performance with all compatible devices, and its 2-year warranty and Connected Equipment Warranty (CEW) ensures your devices are safe and protected.*60W USB-PD charges MacBook Pro from 0-50% in 60 minutes over USB-C. Now compatible with Apple iPhone 15, iPhone 15 Plus, iPhone 15 Pro, and iPhone 15 Pro Max, plus Samsung Galaxy S24, Galaxy S24+, and Galaxy S24 Ultra
    See all Cell Phone Chargers & Cables
    See all Cell Phone Chargers & Cables
  6. UltraLast - Nickel Metal Hydride Batteries for General Electric 2-6980GE1 (2-Pack) - Front_Zoom
    Top comment

    "needed batteries for phone ***********************************"

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    Product Description

    Answer calls with confidence from anywhere in your home when you use these UltraLast cordless phone replacement batteries. The multicount pack makes it easy to keep a backup power source on hand, and the slim design fits securely in place with select AT&T devices. These UltraLast cordless phone replacement batteries offer hassle-free installation for reduced downtime.
    See all Specialty Batteries
    Top comment

    "needed batteries for phone ***********************************"

    See all customer reviews

    Product Description

    Answer calls with confidence from anywhere in your home when you use these UltraLast cordless phone replacement batteries. The multicount pack makes it easy to keep a backup power source on hand, and the slim design fits securely in place with select AT&T devices. These UltraLast cordless phone replacement batteries offer hassle-free installation for reduced downtime.
    See all Specialty Batteries
    See all Specialty Batteries
  7. Panasonic - eneloop pro Charger, 8 AA and 2 AAA Batteries Kit - Black - Front_Zoom
    Top comment

    "PANASONIC BATTERY KIT...8 AA & 2 AAA BATTERIES SLIM CHARGER TAKES A FEW HOURS TO FULLY CHARGE THE BATTERIES. ...Works great, quality batteries and unit...I wish I could find an 8-battery charger for these batteries, as sometimes I have to replace multiple batteries in my flameless candles."

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    Product Description

    Charge your batteries and power your devices with this Panasonic eneloop pro K-KJ17KHC82A AA and AAA battery charger. The 4-battery charger can handle a combination of AA and AAA batteries and provides automatic shutoff for your safety.
    See all Rechargeable Batteries
    Top comment

    "PANASONIC BATTERY KIT...8 AA & 2 AAA BATTERIES SLIM CHARGER TAKES A FEW HOURS TO FULLY CHARGE THE BATTERIES. ...Works great, quality batteries and unit...I wish I could find an 8-battery charger for these batteries, as sometimes I have to replace multiple batteries in my flameless candles."

    See all customer reviews

    Product Description

    Charge your batteries and power your devices with this Panasonic eneloop pro K-KJ17KHC82A AA and AAA battery charger. The 4-battery charger can handle a combination of AA and AAA batteries and provides automatic shutoff for your safety.
    See all Rechargeable Batteries
    See all Rechargeable Batteries
  8. Best Buy essentials™ - AAAA Batteries (4-Pack) - Alt_View_Zoom_11
    Top comment

    "They're batteries...They're batteries of an uncommon size. Worked great to power the stylus that needed a replacement battery....Super thin batteries...These batteries are durable and super thin. It is convenient for the bamboo ink pen"

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    Product Description

    They’re just batteries – until your remote control is dead. The Best Buy essentials BE-BAAAA4PK AAAA Batteries (4-Pack) deliver consistent power to a wide variety of compatible toys and electronics. This pack contains 4 alkaline AAAA batteries, ensuring you have enough to power your device. Safe and environmentally friendly, they are also mercury- and cadmium-free. They deliver a long-lasting and reliable charge with a 500 mAh capacity and 1.5 V of power, ensuring your toys, remote controls, cameras and other electronics are ready to go. Keep your favorite electronics powered with alkaline batteries backed by Best Buy.
    See all Alkaline Batteries
    Top comment

    "They're batteries...They're batteries of an uncommon size. Worked great to power the stylus that needed a replacement battery....Super thin batteries...These batteries are durable and super thin. It is convenient for the bamboo ink pen"

    See all customer reviews

    Product Description

    They’re just batteries – until your remote control is dead. The Best Buy essentials BE-BAAAA4PK AAAA Batteries (4-Pack) deliver consistent power to a wide variety of compatible toys and electronics. This pack contains 4 alkaline AAAA batteries, ensuring you have enough to power your device. Safe and environmentally friendly, they are also mercury- and cadmium-free. They deliver a long-lasting and reliable charge with a 500 mAh capacity and 1.5 V of power, ensuring your toys, remote controls, cameras and other electronics are ready to go. Keep your favorite electronics powered with alkaline batteries backed by Best Buy.
    See all Alkaline Batteries
    See all Alkaline Batteries
  9. Energizer - 357/303 Batteries (1 Pack), Button Cell Batteries - Front_Zoom
    Top comment

    "I mean, it's batteries...What else should a battery review say? Quality battery....Battery...BestBuy always has these crazy size batteries for electronics."

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    Product Description

    Energizer 357/303 Batteries provide reliable, long lasting power to your important devices. Count on these button cell batteries to power your electronics, whether you need batteries for your kitchen scale, calculator or your keyless entry system. These Energizer batteries also provide dependable power for medical devices, like your glucose monitor or heart rate monitor. Each 357/303 battery holds power for up to 5 years in storage, letting you keep a ready supply of replacement batteries. Plus, these batteries contain no mercury, making them a more environmentally conscious choice. Count on Energizer specialty batteries to provide long lasting power when you need it most.
    See all Specialty Batteries
    Top comment

    "I mean, it's batteries...What else should a battery review say? Quality battery....Battery...BestBuy always has these crazy size batteries for electronics."

    See all customer reviews

    Product Description

    Energizer 357/303 Batteries provide reliable, long lasting power to your important devices. Count on these button cell batteries to power your electronics, whether you need batteries for your kitchen scale, calculator or your keyless entry system. These Energizer batteries also provide dependable power for medical devices, like your glucose monitor or heart rate monitor. Each 357/303 battery holds power for up to 5 years in storage, letting you keep a ready supply of replacement batteries. Plus, these batteries contain no mercury, making them a more environmentally conscious choice. Count on Energizer specialty batteries to provide long lasting power when you need it most.
    See all Specialty Batteries
    See all Specialty Batteries
  10. Energizer - Ultimate Lithium AAA Batteries (4-Pack) - Front_Zoom
    Top comment

    "Long life batteries / time will tell...I figured with the expected long life of these batteries, they would work great powering some slim line window contacts that are part of my security system. ...Lithium battery are the best....Nice light weight batteries. Long lasting batteries."

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    Product Description

    World's longest lasting AAA batteries in high-tech devices. Up to 15 years of shelf life. Performs in extreme temperatures from -40° to 140°F.
    See all Lithium Batteries
    Top comment

    "Long life batteries / time will tell...I figured with the expected long life of these batteries, they would work great powering some slim line window contacts that are part of my security system. ...Lithium battery are the best....Nice light weight batteries. Long lasting batteries."

    See all customer reviews

    Product Description

    World's longest lasting AAA batteries in high-tech devices. Up to 15 years of shelf life. Performs in extreme temperatures from -40° to 140°F.
    See all Lithium Batteries
    See all Lithium Batteries
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