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Labor Day SaleEnds September 7. Limited quantities. No rainchecks.Shop now

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cell phone accessories

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cell phone chargers & cables

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portable chargers & power banks

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 - 10,000mAh SLIM METAL 20W Magnetic Wireless Qi/Qi2.0/MagSafe PowerBank, Portable Charger, 2 Outputs, LED Display, & USB-C - Black

    SKU: J36C4YX4LL

    Great Battery...Great Battery. Love it. Best charge ever. Buy it is the best...Best Buy is the best...I love my new power bank is the best thing ever Best Buy is the best place to buy!

    Product Description

    A slim black metal power bank with 10,000mAh capacity, 20W output, magnetic wireless charging, and LED display.
    See all Portable Chargers & Power Banks
    Your price for this item is $17.99
    Save $17
    The previous price was $34.99

  2. Anker - Nano Power Bank, Ultra-Slim 5,000mAh Magnetic Battery Pack, 15W Max Ultra-Fast MagSafe-Compatible Portable Charger - Green

    SKU: JJ858RS32C

    Product Description

    An ultra-slim green magnetic power bank with 5,000mAh capacity and 15W fast MagSafe-compatible charging.
    See all MagSafe Portable Chargers & Power Banks
    Your price for this item is $59.99

  3. Anker - Nano Power Bank, Ultra-Slim 5,000mAh Magnetic Battery Pack, 15W Max Ultra-Fast MagSafe-Compatible Portable Charger - Orange

    SKU: JJ858RS6WW

    Product Description

    An ultra-slim orange magnetic power bank delivering 5,000mAh and 15W fast wireless charging for MagSafe devices.
    See all MagSafe Portable Chargers & Power Banks
    Your price for this item is $59.99

  4. Anker - MagGo Power Bank, Ultra-Slim 10,000mAh Magnetic Battery Pack, Qi2 Certified 15W Ultra-Fast Portable Charger - Pink

    SKU: JJ858RX7H2

    Love my Anker MagGo Power Bank!...Great

    Product Description

    An ultra-slim pink magnetic power bank with 10,000mAh capacity and Qi2-certified 15W fast charging.
    See all Portable Chargers & Power Banks
    Your price for this item is $79.99

  5. Anker - MagGo Power Bank, Ultra-Slim 10,000mAh Magnetic Battery Pack, Qi2 Certified 15W Ultra-Fast Portable Charger - Green

    SKU: JJ858RX7HP

    Product Description

    An ultra-slim green magnetic power bank with 10,000mAh capacity and Qi2-certified 15W fast charging.
    See all Portable Chargers & Power Banks
    Your price for this item is $79.99
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FAQ

Slim batteries are commonly used in devices such as watches, calculators, remote controls, fitness trackers, key fobs, and some medical devices. Always check your device's manual or battery compartment for compatible battery types before purchasing.

Yes, slim batteries come in both rechargeable and single-use (non-rechargeable) varieties. Make sure to select the type that best matches your device's requirements and usage preferences.

Store slim batteries in a cool, dry place away from direct sunlight and moisture. Keep them in their original packaging or a battery organizer to prevent contact with other metal objects, which can cause short-circuiting.

Yes, slim batteries are available in various voltages and chemistries, such as lithium, silver oxide, and alkaline. It's important to use the correct type specified by your device manufacturer to ensure optimal performance.

Many slim batteries can be recycled. Check your local recycling guidelines or bring used batteries to a Best Buy store with a battery recycling program to help reduce environmental impact.