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Best Buy customers often prefer the following products when searching for pocket battery.

Portable power is a must for any smartphone user. Whether you're on the go or just need a little extra juice to make that call, a portable battery can be your best friend. Here are some of the best pocket batteries for your phone.

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  1. Energizer - MAX 5,000 mAh Ultra-Slim, 3-Port USB-C High Speed Universal Portable Charger Power bank, Charges Three Devices at Once - Black - Front_Zoom
    Top comment

    "Pocket Rocket...very accessible I like it because its size is small and fits in any pocket it only serves one charge"

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    Product Description

    Charge your mobile devices with this Energizer power bank. The Energizer UE5010 is the perfect ultra-slim power bank for smartphones, tablets, and more. The UE5010 provides 5,000 mAh capacity to charge smartphones, tablets, smartwatches, headphones, earbuds, and more. The 5,000mAh battery provides up to 18 hours of power, while three outputs - two USB 2.1 Type-A ports and one USB-C port - consistently and efficiently deliver power to up to three devices 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 protection 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 Banks
    Top comment

    "Pocket Rocket...very accessible I like it because its size is small and fits in any pocket it only serves one charge"

    See all customer reviews

    Product Description

    Charge your mobile devices with this Energizer power bank. The Energizer UE5010 is the perfect ultra-slim power bank for smartphones, tablets, and more. The UE5010 provides 5,000 mAh capacity to charge smartphones, tablets, smartwatches, headphones, earbuds, and more. The 5,000mAh battery provides up to 18 hours of power, while three outputs - two USB 2.1 Type-A ports and one USB-C port - consistently and efficiently deliver power to up to three devices 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 protection 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 Banks
    See all Portable Chargers & Power Banks
  2. myCharge - POWERHUB ULTRA 10,000mAh Everything Built-In Portable Charge for Most USB Enables Devices - Black - Front_Zoom
    Top comment

    "easy to use and recharge. good value and pocket size...They are great: functional with both PCs and Apple devices, charge to full charge very quickly and are pocket-sized."

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    Product Description

    The new myCharge POWERHUB ULTRA 10,000mAh everything built-in portable charger is one of a kind and packed with power. With an integrated iPhone (Apple® Lightning™) cable, an integrated USB-C cable, and built-in USB-A & USB-C ports, you can keep all your devices charged anywhere. Carrying charging cables is a thing of the past, not only are the cables built in for effortless charging but self-contained wall prongs make for effortless recharging – just plug it directly into the wall.
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    Top comment

    "easy to use and recharge. good value and pocket size...They are great: functional with both PCs and Apple devices, charge to full charge very quickly and are pocket-sized."

    See all customer reviews

    Product Description

    The new myCharge POWERHUB ULTRA 10,000mAh everything built-in portable charger is one of a kind and packed with power. With an integrated iPhone (Apple® Lightning™) cable, an integrated USB-C cable, and built-in USB-A & USB-C ports, you can keep all your devices charged anywhere. Carrying charging cables is a thing of the past, not only are the cables built in for effortless charging but self-contained wall prongs make for effortless recharging – just plug it directly into the wall.
    See all Portable Chargers & Power Banks
    See all Portable Chargers & Power Banks
  3. Energizer - Ultimate Lithium 20,000 mAh 20W USB-C PD & 15W Qi Wireless 4-Port Portable Battery Charger Power Bank with LCD Display - Black - Front_Zoom
    Top comment

    "Battery pack...This battery pack saved my kids life. They take it every where now....I even use it for my Oculus, which I bought from Best Buy, by keeping it in my pocket, while I use it, to keep it charged. It really is great."

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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 15W charging. Note that 10W for Apple, and 15W output for Samsung, Google Pixel, and other compatible devices should be expected. The 20,000mAh battery provides up to 72 hours of power. There are three outputs providomg 18W via a USB-A, 15W via the Wireless Qi charging mechanism, and 20W of power via the USB-C Power Delivery port. You can utilize all three ports at the same time for charging up to three devices at once. The 20W Power Delivery 3.0 USB-C allows you to fast charge certain iPhones from 0 to 50% in only 30 minutes with 20W of power. The 18W USB-A output supports fast charging for Samsung and other compatible Android devices allowing you to charge your compatible Android phone from 0-50% in only 30 minutes with 18W of power. The LCD screen displays current battery life and will show battery life as the unit charges as well. Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge of 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 Banks
    Top comment

    "Battery pack...This battery pack saved my kids life. They take it every where now....I even use it for my Oculus, which I bought from Best Buy, by keeping it in my pocket, while I use it, to keep it charged. It really is great."

    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 15W charging. Note that 10W for Apple, and 15W output for Samsung, Google Pixel, and other compatible devices should be expected. The 20,000mAh battery provides up to 72 hours of power. There are three outputs providomg 18W via a USB-A, 15W via the Wireless Qi charging mechanism, and 20W of power via the USB-C Power Delivery port. You can utilize all three ports at the same time for charging up to three devices at once. The 20W Power Delivery 3.0 USB-C allows you to fast charge certain iPhones from 0 to 50% in only 30 minutes with 20W of power. The 18W USB-A output supports fast charging for Samsung and other compatible Android devices allowing you to charge your compatible Android phone from 0-50% in only 30 minutes with 18W of power. The LCD screen displays current battery life and will show battery life as the unit charges as well. Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge of 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 Banks
    See all Portable Chargers & Power Banks
  4. Anker - Power Bank(10000mAh, 20W, 3-Port) - Black - Front_Zoom
    Top comment

    "Great Pocket Charger...Great value. Long battery life. Sturdy and doesn't feel cheap....No issues with this slim battery that fits great in my pocket."

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    Product Description

    Elevate your charging experience with the PowerCore III Sense (10000mAh, 20W, 3-Port). This power bank offers versatile charging options, featuring Triple Charging Modes including a 20W Power Delivery USB-C port, a PowerIQ-enabled USB-A port, and a trickle-charging mode for low-power devices. Charge two devices simultaneously through its dual USB ports. With exquisite craftsmanship, its sleek design and cool-blue LED light wheel showcase the battery level elegantly. Quality is paramount inside and out. Recharge swiftly in just 4.5 hours using a USB-C Power Delivery wall charger (charger not included), or approximately 10.2 hours with a USB-A charger and cable (not included). Elevate your charging game with PowerCore III Sense 10K.
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    Top comment

    "Great Pocket Charger...Great value. Long battery life. Sturdy and doesn't feel cheap....No issues with this slim battery that fits great in my pocket."

    See all customer reviews

    Product Description

    Elevate your charging experience with the PowerCore III Sense (10000mAh, 20W, 3-Port). This power bank offers versatile charging options, featuring Triple Charging Modes including a 20W Power Delivery USB-C port, a PowerIQ-enabled USB-A port, and a trickle-charging mode for low-power devices. Charge two devices simultaneously through its dual USB ports. With exquisite craftsmanship, its sleek design and cool-blue LED light wheel showcase the battery level elegantly. Quality is paramount inside and out. Recharge swiftly in just 4.5 hours using a USB-C Power Delivery wall charger (charger not included), or approximately 10.2 hours with a USB-A charger and cable (not included). Elevate your charging game with PowerCore III Sense 10K.
    See all Portable Chargers & Power Banks
    See all Portable Chargers & Power Banks
  5. Anker PowerCore Select 10000mAh Dual USB Portable Charger External Battery Pack - Black - Front_Zoom

    Product Description

    Anker PowerCore Select 10000 Portable Charger - Black, One of The Smallest and Lightest 10000mAh Power Banks, Ultra-Compact, High-Speed Charging Technology Phone Charger for iPhone, Samsung and More. A revolution in high cell capacity portable charging. It fits easily into any pocket or bag, making it the perfect charger for on the couch, on a plane, or anywhere else your phone needs a boost. Dual charging ports with Anker's PowerIQ high-speed charging technology lets you charge two devices at the same time
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    Product Description

    Anker PowerCore Select 10000 Portable Charger - Black, One of The Smallest and Lightest 10000mAh Power Banks, Ultra-Compact, High-Speed Charging Technology Phone Charger for iPhone, Samsung and More. A revolution in high cell capacity portable charging. It fits easily into any pocket or bag, making it the perfect charger for on the couch, on a plane, or anywhere else your phone needs a boost. Dual charging ports with Anker's PowerIQ high-speed charging technology lets you charge two devices at the same time
    See all Portable Chargers & Power Banks
    See all Portable Chargers & Power Banks
  6. Anker PowerCore 5K - Black - Front_Zoom

    Model: A1109013
    SKU: 6568690

    Product Description

    Boasting a high cell capacity, this portable charger contains 5,000 mAh of power, sufficient to provide over a full replacement charge for devices like the iPhone X and Samsung Galaxy S9, or nearly two charges for an iPhone 8. Safety is paramount with our MultiProtect Safety System, which includes advanced surge protection and short circuit prevention, ensuring optimal security for you and your devices. Despite its power, the charger is ultra-compact. Its remarkably small, tubular design, measuring just 10cm tall and 3cm wide, easily slides into any pocket or bag alongside your phone. Experience the Anker Advantage and join the 50 million+ powered by America's leading USB charging brand.
    See all Portable Chargers & Power Banks

    Product Description

    Boasting a high cell capacity, this portable charger contains 5,000 mAh of power, sufficient to provide over a full replacement charge for devices like the iPhone X and Samsung Galaxy S9, or nearly two charges for an iPhone 8. Safety is paramount with our MultiProtect Safety System, which includes advanced surge protection and short circuit prevention, ensuring optimal security for you and your devices. Despite its power, the charger is ultra-compact. Its remarkably small, tubular design, measuring just 10cm tall and 3cm wide, easily slides into any pocket or bag alongside your phone. Experience the Anker Advantage and join the 50 million+ powered by America's leading USB charging brand.
    See all Portable Chargers & Power Banks
    See all Portable Chargers & Power Banks
  7. Energizer - MAX 5,000mAh Ultra-Slim, High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black - Front_Zoom

    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 Banks

    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 Banks
    See all Portable Chargers & Power Banks
  8. ToughTested - ROC16 16,000 mAh Portable Charger for Most USB-Enabled Devices - Black/Orange - Front_Zoom
    Top comment

    "Battery pack...Its a great battery pack its really help when i when camping...Not ideal for carrying around in my pocket but works very well and the fact that it’s solar powered is pretty awesome."

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    Product Description

    The ToughTested ROC16 features a 280mA fast recharging solar panel, 10 watt of wireless charging technology, IP65 water- and dust-resistant rating, a high output multi-mode flashlight, 3 charging ports (2 USB-A + 1USB-C port), 18 watts of power delivery on the USB-C, it also includes a carabiner to attach the charger to your belt, or backpack for an all-out solution.
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    Top comment

    "Battery pack...Its a great battery pack its really help when i when camping...Not ideal for carrying around in my pocket but works very well and the fact that it’s solar powered is pretty awesome."

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    Product Description

    The ToughTested ROC16 features a 280mA fast recharging solar panel, 10 watt of wireless charging technology, IP65 water- and dust-resistant rating, a high output multi-mode flashlight, 3 charging ports (2 USB-A + 1USB-C port), 18 watts of power delivery on the USB-C, it also includes a carabiner to attach the charger to your belt, or backpack for an all-out solution.
    See all Portable Chargers & Power Banks
    See all Portable Chargers & Power Banks
  9. Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black - Angle_Zoom
    Top comment

    "Portable Battery 20,000mah...Excellent Battery. Works as advertised. It fits easily in your pocket....spectacular works good easy for charging and compact for your purse and pockets."

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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 Banks
    Top comment

    "Portable Battery 20,000mah...Excellent Battery. Works as advertised. It fits easily in your pocket....spectacular works good easy for charging and compact for your purse and pockets."

    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 Banks
    See all Portable Chargers & Power Banks
  10. mophie - Powerstation PD (Fast Charge) 10,000 mAh Portable Charger for Most USB-Enabled Devices - Black - Front_Zoom
    Top comment

    "Worked as expected Would buy again Good size for purse. Little large for pocket...Great battery life...Great gift. Has a king battery life and can charge multiple times before recharging."

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    Product Description

    Charge three devices at once with the mophie powerstation 10K. It has a fast-charging USB-C PD port that puts out up to 20W as well as two USB-A ports. The compact powerstation has an internal 10,000mAh battery with the capacity to meet the demands of your day.
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    Top comment

    "Worked as expected Would buy again Good size for purse. Little large for pocket...Great battery life...Great gift. Has a king battery life and can charge multiple times before recharging."

    See all customer reviews

    Product Description

    Charge three devices at once with the mophie powerstation 10K. It has a fast-charging USB-C PD port that puts out up to 20W as well as two USB-A ports. The compact powerstation has an internal 10,000mAh battery with the capacity to meet the demands of your day.
    See all Portable Chargers & Power Banks
    See all Portable Chargers & Power Banks
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