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Labor Day Appliances SaleEnds 9/16. 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

High Capacity Portable Power Banks

High capacity portable power banks are essential for anyone who needs reliable power on the go. Whether you’re traveling, working remotely, or spending time outdoors, these powerful devices help keep your smartphones, tablets, and other electronics charged when you need them most. With a variety of styles and sizes available, finding the right high capacity portable power bank makes it easy to stay connected and productive wherever life takes you. Explore options designed to support your busy lifestyle and ensure you never run out of battery when it matters most.

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  1. Energizer - MAX 30,000mAh 15W USB-C 3-Port Universal Portable Battery Charger/Power Bank w/ LCD screen for Smartphones & Accessories - Black

    SKU: J36C4YXKZ3

    Awesome product thank you Best Buy!!!! Love it! Use it daily...absolutely love this!!!...Best portable charger I’ve ever bought. It lasts a long time and very high quality!

    Product Description

    A high-capacity black portable charger with LCD screen, three ports, and 15W USB-C fast charging.
    See all Portable Chargers & Power Banks
    Your price for this item is $39.99

  2. ToughTested - ROC 10,000 mAh Portable Charger for Most Qi- and USB-Enabled Devices - Black/Orange

    SKU: JXV8726RKL

    Product Description

    A rugged black and orange portable charger offering 10,000 mAh, Qi wireless charging, and waterproof durability.
    See all Portable Chargers & Power Banks
    Your price for this item is $74.99

  3. Chargeworx - 10,000mAh Premium Solar Power Bank with built-in Dual USB Ports - Black

    SKU: JX3S8W4VQ8

    Product Description

    A black waterproof solar power bank with 10,000mAh capacity, dual USB ports, LED indicator, and flashlight.
    See all Portable Chargers & Power Banks
    Your price for this item is $49.99

  4. Anker - Zolo Portable charger (10K, 35W, Built-In Dual USB-C Cables) - Blue

    SKU: JJ8586WS9C

    Product Description

    A blue portable charger with 10,000mAh capacity, 35W output, and built-in dual USB-C cables.
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    Your price for this item is $29.99

  5. myCharge - RetractaCharger 20,000 mAh Portable Charger for Most USB-C Phones - Black

    SKU: J365K2CR69

    Product Description

    A powerful black portable charger featuring a 20,000mAh battery, built-in wall plug, and retractable USB-C cables.
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    Your price for this item is $25.99
    Save $64
    The previous price was $89.99

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

    SKU: JJ858RX7HP

    Works great, charges quick! Only downside is that it heats up and heats up my phone.

    Product Description

    An ultra-slim green magnetic power bank with 10,000mAh capacity and Qi2-certified 15W fast charging.
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    Your price for this item is $69.99
    Save $10
    The previous price was $79.99

  7. Anker - Zolo Power Bank, 20,000mAh 45W Max Fast Portable Charger - Blue

    SKU: JJ858RG7LW

    Product Description

    A blue portable charger with 20,000mAh capacity, built-in USB-C cable, and 45W fast charging support.
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    Your price for this item is $45.99

  8. Anker - Zolo Power Bank, 20,000mAh 45W Max Fast Portable Charger - Pink

    SKU: JJ858RG7Y7

    Product Description

    A pink portable charger with 20,000mAh capacity, built-in USB-C cable, and 45W fast charging.
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    Your price for this item is $45.99

  9. Anker - Power Bank, 20,000mAh 30W Max Fast Portable Charger with Built-in USB-C and MFi Certified Lightning Cables - White

    SKU: JJ8586W6XW

    Product Description

    A white portable charger with 20,000mAh capacity, 30W fast charging, and built-in USB-C and Lightning cables.
    See all Portable Chargers & Power Banks
    Your price for this item is $54.79
    Save $0
    The previous price was $54.99

  10. Anker - Zolo Portable charger (10K, 35W, Built-In Dual USB-C Cables) - Black

    SKU: JJ8586WS9H

    Product Description

    A black 10,000mAh portable charger with 35W output and built-in dual USB-C cables for fast charging.
    See all Portable Chargers & Power Banks
    Your price for this item is $29.99
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FAQ

When choosing a high capacity portable power bank, consider features such as multiple charging ports, fast charging capabilities, compatibility with your devices, digital displays for battery status, and built-in cables or wireless charging options.

Many high capacity portable power banks offer enough output power and the right ports, such as USB-C with Power Delivery, to charge laptops in addition to smartphones and tablets. Always check the power bank’s specifications to ensure compatibility with your laptop.

Check the power bank’s output voltage and current ratings, as well as the types of ports it offers, such as USB-A, USB-C, or Lightning. Make sure these match your device’s charging requirements for optimal performance.

Yes, many high capacity power banks are designed with two or more output ports, allowing you to charge several devices simultaneously, such as your phone, tablet, and wireless earbuds.

Common accessories include USB charging cables, carrying pouches, and user manuals. Some models may also come with adapters or built-in cables for added convenience.