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Best Buy customers often prefer the following products when searching for fast charging external battery.

External batteries are one of those things that you don't realize you need until you have one. These portable power banks can charge your devices multiple times. They're a must-have for long flights, days at the theme park and camping trips. Browse the top-ranked list of fast charging external batteries below along with associated reviews and opinions.

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  1. Energizer - Ultimate Lithium 10,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray - Front_Zoom
    Top comment

    "She needs it when she has a layover. She says it charges fast and recharges even faster....Great for quick charge of my iPhone Good when you need a full charge quick...Speedy Charge"

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    Product Description

    Charge your mobile devices with this Energizer power bank. Energizer UE10015PQ is the perfect ultra-slim power bank for smartphones, tablets, and more. UE10015PQ provides 10,000mAh capacity to charge smartphones, tablets, smartwatches, headphones, ear buds, and more. The 10,000mAh battery provides up to 36 hours of power. The Qualcomm® Quick Charge™ 3.0 output, USB-C Power Delivery 3.0 output and USB-A 2.4A USB output deliver power consistently and efficiently to up to three devices at once. The USB-C Power Delivery 3.0 technology allows you to fast charge certain iPhones from 0 to 50% in only 30 minutes with 18W of power. The Qualcomm® Quick Charge™ 3.0 USB-A output supports fast charging for Samsung, Huawei, and other compatible Android devices allowing you to charge your compatible phone from 0-80% in only 30 minutes with 18W of power. Four white LED indicator lights signify the charging status and current battery life. The lightweight and ultra slim design fits perfectly in your pocket wherever you go! Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. A USB-C Cable is included for recharging the power bank or charging other devices
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    Top comment

    "She needs it when she has a layover. She says it charges fast and recharges even faster....Great for quick charge of my iPhone Good when you need a full charge quick...Speedy Charge"

    See all customer reviews

    Product Description

    Charge your mobile devices with this Energizer power bank. Energizer UE10015PQ is the perfect ultra-slim power bank for smartphones, tablets, and more. UE10015PQ provides 10,000mAh capacity to charge smartphones, tablets, smartwatches, headphones, ear buds, and more. The 10,000mAh battery provides up to 36 hours of power. The Qualcomm® Quick Charge™ 3.0 output, USB-C Power Delivery 3.0 output and USB-A 2.4A USB output deliver power consistently and efficiently to up to three devices at once. The USB-C Power Delivery 3.0 technology allows you to fast charge certain iPhones from 0 to 50% in only 30 minutes with 18W of power. The Qualcomm® Quick Charge™ 3.0 USB-A output supports fast charging for Samsung, Huawei, and other compatible Android devices allowing you to charge your compatible phone from 0-80% in only 30 minutes with 18W of power. Four white LED indicator lights signify the charging status and current battery life. The lightweight and ultra slim design fits perfectly in your pocket wherever you go! Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. A USB-C Cable is included for recharging the power bank or charging other devices
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    Your price for this item is $39.99
    The previous price was $49.99
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  2. Energizer - Ultimate Lithium 10,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black - Front_Zoom
    Top comment

    "Great Battery, Really Quick Charge for Samsung Devices....Fast charge...Lightweight to carry at music festivals, with quick charge for my iPhone."

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    Product Description

    Charge your mobile devices with this Energizer power bank. Energizer QE10007PQ is the perfect ultra-slim power bank for smartphones, tablets, and more. QE10007PQ is a Wireless Qi certified power bank that provides 10,000mAh capacity to charge smartphones, tablets, smartwatches, headphones, ear buds, and more. The Qi wireless fast charge supports up to 7.5W for Apple, and 10W output for Samsung, Google Pixel, and other compatible devices. The 10,000mAh battery provides up to 36 hours of power while the three outputs and QC 3.0, Qi, and PD 3.0 technology deliver power consistently and efficiently to up to three devices at once. This power bank includes one 18W Qualcomm® Quick Charge™ 3.0 USB-A and one 20W Power Delivery 3.0 USB-C port. The USB-C Power Delivery 3.0 technology allows you to fast charge certain iPhones from 0 to 50% in only 30 minutes with 20W of power. The Qualcomm® Quick Charge™ 3.0 USB-A output support fast charging for Samsung, Huawei, and other compatible Android devices allowing you to charge your compatible phone from 0-80% in only 30 minutes with 18W of power. Four white LED indicator lights signify the charging status and current battery life. The lightweight and ultra slim design fits perfectly in your pocket wherever you go! Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. A Micro USB Cable is included for recharging the power bank or charging other devices.
    See all Portable Chargers & Power Packs
    Top comment

    "Great Battery, Really Quick Charge for Samsung Devices....Fast charge...Lightweight to carry at music festivals, with quick charge for my iPhone."

    See all customer reviews

    Product Description

    Charge your mobile devices with this Energizer power bank. Energizer QE10007PQ is the perfect ultra-slim power bank for smartphones, tablets, and more. QE10007PQ is a Wireless Qi certified power bank that provides 10,000mAh capacity to charge smartphones, tablets, smartwatches, headphones, ear buds, and more. The Qi wireless fast charge supports up to 7.5W for Apple, and 10W output for Samsung, Google Pixel, and other compatible devices. The 10,000mAh battery provides up to 36 hours of power while the three outputs and QC 3.0, Qi, and PD 3.0 technology deliver power consistently and efficiently to up to three devices at once. This power bank includes one 18W Qualcomm® Quick Charge™ 3.0 USB-A and one 20W Power Delivery 3.0 USB-C port. The USB-C Power Delivery 3.0 technology allows you to fast charge certain iPhones from 0 to 50% in only 30 minutes with 20W of power. The Qualcomm® Quick Charge™ 3.0 USB-A output support fast charging for Samsung, Huawei, and other compatible Android devices allowing you to charge your compatible phone from 0-80% in only 30 minutes with 18W of power. Four white LED indicator lights signify the charging status and current battery life. The lightweight and ultra slim design fits perfectly in your pocket wherever you go! Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. A Micro USB Cable is included for recharging the power bank or charging other devices.
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    Your price for this item is $39.99
    The previous price was $49.99
    See all Portable Chargers & Power Packs
  3. Energizer - Ultimate Lithium 20,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray - Front_Zoom
    Top comment

    "Energizer Fast Charge Portable Charger...This was a great charger when I used it on our Disney World trip. It kept its charge for more than 6 hours. It does have a quick charge....Battery charger...Great for extra and easy charge very fast and will quick charge your phone"

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    Product Description

    Charge your mobile devices with this Energizer power bank. Energizer UE20015PQ is the perfect power bank for smartphones, tablets, and more. UE20015PQ provides 20,000mAh capacity to charge smartphones, tablets, smartwatches, headphones, ear buds, and more. The 20,000mAh battery provides up to 72 hours of power. The Qualcomm® Quick Charge™ 3.0 output, USB-C Power Delivery 3.0 output and USB-A 2.4A USB output deliver power consistently and efficiently to up to three devices at once. The USB-C Power Delivery 3.0 technology allows you to fast charge certain iPhones from 0 to 50% in only 30 minutes with 18W of power. The Qualcomm® Quick Charge™ 3.0 USB-A output supports fast charging for Samsung, Huawei, and other compatible Android devices allowing you to charge your compatible phone from 0-80% in only 30 minutes with 18W of power. Four white LED indicator lights signify the charging status and current battery life. The lightweight and ultra slim design fits perfectly in your pocket wherever you go! Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. A USB-C Cable is included for recharging the power bank or charging other devices.
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    Top comment

    "Energizer Fast Charge Portable Charger...This was a great charger when I used it on our Disney World trip. It kept its charge for more than 6 hours. It does have a quick charge....Battery charger...Great for extra and easy charge very fast and will quick charge your phone"

    See all customer reviews

    Product Description

    Charge your mobile devices with this Energizer power bank. Energizer UE20015PQ is the perfect power bank for smartphones, tablets, and more. UE20015PQ provides 20,000mAh capacity to charge smartphones, tablets, smartwatches, headphones, ear buds, and more. The 20,000mAh battery provides up to 72 hours of power. The Qualcomm® Quick Charge™ 3.0 output, USB-C Power Delivery 3.0 output and USB-A 2.4A USB output deliver power consistently and efficiently to up to three devices at once. The USB-C Power Delivery 3.0 technology allows you to fast charge certain iPhones from 0 to 50% in only 30 minutes with 18W of power. The Qualcomm® Quick Charge™ 3.0 USB-A output supports fast charging for Samsung, Huawei, and other compatible Android devices allowing you to charge your compatible phone from 0-80% in only 30 minutes with 18W of power. Four white LED indicator lights signify the charging status and current battery life. The lightweight and ultra slim design fits perfectly in your pocket wherever you go! Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. A USB-C Cable is included for recharging the power bank or charging other devices.
    See all Portable Chargers & Power Packs
    Your price for this item is $51.99
    The previous price was $64.99
    See all Portable Chargers & Power Packs
  4. Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black - Front_Zoom
    Top comment

    "The battery life is good its kinda of heavy and also it works...Great fast charge. A little heavy . Wish you could charge more than 1item at a time."

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    Product Description

    Charge your mobile devices with this Energizer power bank. This portable charger is a wireless Qi certified power bank that provides 20,000mAh capacity to charge smartphones, tablets, smartwatches, headphones, ear buds, and more. The Qi wireless fast charge supports up to 7.5W for Apple, and 10W output for Samsung, Google Pixel, and other compatible devices. The 20,000mAh battery provides up to 72 hours of power while the three outputs and 18W QC 3.0, Qi, and 20W PD 3.0 technology deliver power consistently and efficiently to up to three devices at once. This power bank includes one 18W Qualcomm Quick Charge 3.0 USB-A and one 20W Power Delivery 3.0 USB-C. The USB-C Power Delivery 3.0 technology allows you to fast charge certain iPhones from 0 to 50% in only 30 minutes with 20W of power. The Qualcomm Quick Charge 3.0 USB-A output supports fast charging for Samsung, Huawei, and other compatible Android devices allowing you to charge your compatible phone from 0-80% in only 30 minutes with 18W of power. Four white LED indicator lights signify the charging status and current battery life. The lightweight and ultra slim design fits perfectly in your pocket wherever you go! Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. A USB-C Cable is included for recharging the power bank or charging other devices.
    See all Portable Chargers & Power Packs
    Top comment

    "The battery life is good its kinda of heavy and also it works...Great fast charge. A little heavy . Wish you could charge more than 1item at a time."

    See all customer reviews

    Product Description

    Charge your mobile devices with this Energizer power bank. This portable charger is a wireless Qi certified power bank that provides 20,000mAh capacity to charge smartphones, tablets, smartwatches, headphones, ear buds, and more. The Qi wireless fast charge supports up to 7.5W for Apple, and 10W output for Samsung, Google Pixel, and other compatible devices. The 20,000mAh battery provides up to 72 hours of power while the three outputs and 18W QC 3.0, Qi, and 20W PD 3.0 technology deliver power consistently and efficiently to up to three devices at once. This power bank includes one 18W Qualcomm Quick Charge 3.0 USB-A and one 20W Power Delivery 3.0 USB-C. The USB-C Power Delivery 3.0 technology allows you to fast charge certain iPhones from 0 to 50% in only 30 minutes with 20W of power. The Qualcomm Quick Charge 3.0 USB-A output supports fast charging for Samsung, Huawei, and other compatible Android devices allowing you to charge your compatible phone from 0-80% in only 30 minutes with 18W of power. Four white LED indicator lights signify the charging status and current battery life. The lightweight and ultra slim design fits perfectly in your pocket wherever you go! Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. A USB-C Cable is included for recharging the power bank or charging other devices.
    See all Portable Chargers & Power Packs
    Your price for this item is $55.99
    The previous price was $69.99
    See all Portable Chargers & Power Packs
  5. Energizer - MAX 20,000mAh High Speed Universal Portable Charger/Power Bank with LCD Display for Apple, Android, Google & USB Devices - Black - Front_Zoom
    Top comment

    "Great power quick charge for the price can't complain, I mean I can buy wouldn't be right...Battery bank...Quick charge. Standby is great. Charged my phone and two tablets and it only used 25%. "

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    Product Description

    Charge your mobile devices quickly and efficiently with this Energizer power bank.  This portable charger provides 20,000mAh capacity to charge smartphones, tablets, smartwatches, headphones, ear buds, and more.  The bright LCD screen displays the current battery level so you always know how much power is left. The 20,000mAh battery provides up to 72 hours of additional power to smartphones while the two USB 2.1 Type-A ports with Rapid Charge technology deliver power consistently and efficiently to up to two devices at once at 10.5W.  The textured surface prevents slippage, scratches and fingerprints. Energizer PowerSafe Management protects against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. A USB-C Cable is included for recharging the power bank quickly and efficiently.
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    Top comment

    "Great power quick charge for the price can't complain, I mean I can buy wouldn't be right...Battery bank...Quick charge. Standby is great. Charged my phone and two tablets and it only used 25%. "

    See all customer reviews

    Product Description

    Charge your mobile devices quickly and efficiently with this Energizer power bank.  This portable charger provides 20,000mAh capacity to charge smartphones, tablets, smartwatches, headphones, ear buds, and more.  The bright LCD screen displays the current battery level so you always know how much power is left. The 20,000mAh battery provides up to 72 hours of additional power to smartphones while the two USB 2.1 Type-A ports with Rapid Charge technology deliver power consistently and efficiently to up to two devices at once at 10.5W.  The textured surface prevents slippage, scratches and fingerprints. Energizer PowerSafe Management protects against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. A USB-C Cable is included for recharging the power bank quickly and efficiently.
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    Your price for this item is $35.99
    The previous price was $44.99
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  6. myCharge - Razor Xtreme 26,800 mAh Portable Charger for Most USB-Enabled Devices - Midnight Navy - Angle_Zoom
    Top comment

    "Battery...Bought for trip to Alaska to keep phones charged. Quick charge!...Very convenient power bank Fast charge and "C" cable port very useful"

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    Product Description

    Stay charged on the go with this myCharge Razor Xtreme rechargeable power bank. The compact design slips into pockets and features three charging ports to extend the battery life of USB-A- and USB-C-compatible devices by up to 13.5 times. This myCharge Razor Xtreme rechargeable power bank makes it easy to check remaining charge with the button-activated four-light LED indicator.
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    Top comment

    "Battery...Bought for trip to Alaska to keep phones charged. Quick charge!...Very convenient power bank Fast charge and "C" cable port very useful"

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    Product Description

    Stay charged on the go with this myCharge Razor Xtreme rechargeable power bank. The compact design slips into pockets and features three charging ports to extend the battery life of USB-A- and USB-C-compatible devices by up to 13.5 times. This myCharge Razor Xtreme rechargeable power bank makes it easy to check remaining charge with the button-activated four-light LED indicator.
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    Your price for this item is $99.99
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  7. myCharge - HUBXTRA 4400 mAh Portable Charger for Most Lightning-Equipped Apple® Devices - Gray - Angle_Zoom

    Product Description

    Worry less about dead batteries with this myCharge HUBXTRA power bank. It has built-in wall prongs to charge up to three devices at once, and the USB-A port, Lightning and micro-USB cables power electronics of different sizes. Charge devices up to 65 percent faster with the hyper-charge capability of this myCharge HUBXTRA power bank.
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    Product Description

    Worry less about dead batteries with this myCharge HUBXTRA power bank. It has built-in wall prongs to charge up to three devices at once, and the USB-A port, Lightning and micro-USB cables power electronics of different sizes. Charge devices up to 65 percent faster with the hyper-charge capability of this myCharge HUBXTRA power bank.
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    Your price for this item is $47.99
    Clearance
    The regular price is $59.99
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  8. Best Buy essentials™ - 18 W 10,000 mAh Portable Charger for Most USB Devices - Black - Alt_View_Zoom_11
    Top comment

    "Quick charge...Charges two iPhone 11 perfectly with charge left. ...Quick Charge didnt work...The quick charge didn't work and the build quality was meh"

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    Product Description

    Recharge your battery while you’re on the go with the Best Buy essentials BE-MMB10K22K 18 W 10,000 mAh Portable Charger for Most USB Devices. Compatible with Apple and Samsung devices, a standard USB port and a Quick Charge 3.0 USB port provide 18 W of total power and let you charge multiple devices at once. With a 10,000 mAh capacity, charge your smartphone, tablet and other devices to keep them powered for the day. Blue LED indicator lights will let you know when the battery is charging your device and when it needs to be charged. A black, compact design lets the battery fit smoothly into your pocket or purse, ready to take wherever you go. Let us keep your devices powered with portable batteries backed by Best Buy.
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    Top comment

    "Quick charge...Charges two iPhone 11 perfectly with charge left. ...Quick Charge didnt work...The quick charge didn't work and the build quality was meh"

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    Product Description

    Recharge your battery while you’re on the go with the Best Buy essentials BE-MMB10K22K 18 W 10,000 mAh Portable Charger for Most USB Devices. Compatible with Apple and Samsung devices, a standard USB port and a Quick Charge 3.0 USB port provide 18 W of total power and let you charge multiple devices at once. With a 10,000 mAh capacity, charge your smartphone, tablet and other devices to keep them powered for the day. Blue LED indicator lights will let you know when the battery is charging your device and when it needs to be charged. A black, compact design lets the battery fit smoothly into your pocket or purse, ready to take wherever you go. Let us keep your devices powered with portable batteries backed by Best Buy.
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    Your price for this item is $17.99
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  9. Energizer - MAX 5,000mAh Ultra-Slim, High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black - Front_Zoom
    Top comment

    "Great quick re-charge battery, Life saver when you need a quick charge for your phone or other compatible items....Fast charge...Works great! Charges really fast with a lighting cable"

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    Product Description

    Charge your mobile devices with this Energizer power bank. Energizer UE5044 is the perfect ultra-slim power bank for smartphones, tablets, and more. UE5044 provides 5,000mAh capacity to charge smartphones, tablets, smartwatches, headphones, ear buds, and more. The 5,000 mAh battery provides up to 18 hours of power while the USB 2.1 Type-A port and Rapid Charge technology deliver power consistently and efficiently at 10.5W. Four white LED indicator lights signify the charging status and current battery life. The textured diagonal pattern design prevents slippage, scratches and fingerprints on the surface. The lightweight and ultra slim design fits perfectly in your pocket wherever you go! Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. A Micro USB Cable is included for recharging the power bank or charging other devices.
    See all Portable Chargers & Power Packs
    Top comment

    "Great quick re-charge battery, Life saver when you need a quick charge for your phone or other compatible items....Fast charge...Works great! Charges really fast with a lighting cable"

    See all customer reviews

    Product Description

    Charge your mobile devices with this Energizer power bank. Energizer UE5044 is the perfect ultra-slim power bank for smartphones, tablets, and more. UE5044 provides 5,000mAh capacity to charge smartphones, tablets, smartwatches, headphones, ear buds, and more. The 5,000 mAh battery provides up to 18 hours of power while the USB 2.1 Type-A port and Rapid Charge technology deliver power consistently and efficiently at 10.5W. Four white LED indicator lights signify the charging status and current battery life. The textured diagonal pattern design prevents slippage, scratches and fingerprints on the surface. The lightweight and ultra slim design fits perfectly in your pocket wherever you go! Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. A Micro USB Cable is included for recharging the power bank or charging other devices.
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    Your price for this item is $19.99
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  10. mophie - Snap+ Juice Pack Mini Wallet 5,000 mAh Portable Charger & Card Holder with MagSafe Compatibility - Black - Alt_View_Zoom_1
    Top comment

    "battery charger...No heavy for external battery charger and charge quickly...It decreased my battery life as well."

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    Product Description

    The mophie Snap+ Juice Pack Mini Wallet 5,000 mAh Portable Charger & Card Holder with MagSafe Compatibility offers a convenient card holder in one compact accessory that easily attaches to the back of your phone. The Snap+ Juice Pack Mini Wallet wirelessly charges most MagSafe enabled iPhone 13/12 models and Qi-enabled smartphones. The magnetic array ensures charging coils always line up, so you get the perfect charge every time. No MagSafe? No problem! Use the included snap adapter to get the same experience on just about any wireless charging smartphone.
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    Top comment

    "battery charger...No heavy for external battery charger and charge quickly...It decreased my battery life as well."

    See all customer reviews

    Product Description

    The mophie Snap+ Juice Pack Mini Wallet 5,000 mAh Portable Charger & Card Holder with MagSafe Compatibility offers a convenient card holder in one compact accessory that easily attaches to the back of your phone. The Snap+ Juice Pack Mini Wallet wirelessly charges most MagSafe enabled iPhone 13/12 models and Qi-enabled smartphones. The magnetic array ensures charging coils always line up, so you get the perfect charge every time. No MagSafe? No problem! Use the included snap adapter to get the same experience on just about any wireless charging smartphone.
    See all Portable Chargers & Power Packs
    Your price for this item is $49.99
    See all Portable Chargers & Power Packs
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