Best Buy customers often prefer the following products when searching for highest capacity external battery.
External batteries are devices that can be used to charge your mobile devices and gadgets when there is no other source of power available. They come in different shapes and sizes, with varying features and capabilities. Browse the top-ranked list of highest capacity external batteries below along with associated reviews and opinions.
Best Buy essentials™ - 18 W 10,000 mAh Portable Charger for Most USB Devices - Black
Model: BE-MMB10K22KSKU: 6456331Top comment"Used this at Disneyland, and was able to charge my phone for two days and it still had battery life left. ...Dependable external battery source for charging your phone on the go....Charge your Device on the go"
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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.Top comment"Used this at Disneyland, and was able to charge my phone for two days and it still had battery life left. ...Dependable external battery source for charging your phone on the go....Charge your Device on the go"
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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.See all Portable Chargers & Power PacksYour price for this item is $17.99myCharge - HUB Turbo 10,050 mAh Portable Charger for Most Mobile Devices - Gray
Model: HBT10GSKU: 6372013Top comment"Life long battery...Overall, battery is great! Last long. Can charge multiple phone and battery life still great!...Thia portal cheaper is a must. Able to charge multiple phonws quickly. The battery life on the charge was excellent."
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Power your tablet, smartphone and other portable electronics quickly with this myCharge HUB Turbo portable power pack. The 10,050 mAh capacity lets you charge three devices simultaneously, while the four-light LED indicator displays the current battery levels. This myCharge HUB Turbo portable power pack features integrated USB Type-C and Lightning cables for compatibility with a wide range of devices and a compact design for convenient storage.Top comment"Life long battery...Overall, battery is great! Last long. Can charge multiple phone and battery life still great!...Thia portal cheaper is a must. Able to charge multiple phonws quickly. The battery life on the charge was excellent."
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Power your tablet, smartphone and other portable electronics quickly with this myCharge HUB Turbo portable power pack. The 10,050 mAh capacity lets you charge three devices simultaneously, while the four-light LED indicator displays the current battery levels. This myCharge HUB Turbo portable power pack features integrated USB Type-C and Lightning cables for compatibility with a wide range of devices and a compact design for convenient storage.See all Portable Chargers & Power PacksYour price for this item is $99.99Energizer - MAX 20,000mAh High Speed Universal Portable Charger/Power Bank with LCD Display for Apple, Android, Google & USB Devices - Black
Model: UE20068SKU: 6498909Top comment"I like the long battery life and size. Also, battery life indicator is valuable...Too big and heavy but came pre charged with 75% of battery, good battery life as well."
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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.Top comment"I like the long battery life and size. Also, battery life indicator is valuable...Too big and heavy but came pre charged with 75% of battery, good battery life as well."
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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.See all Portable Chargers & Power PacksYour price for this item is $44.99Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black
Model: QE20007PQSKU: 6498854Top comment"The battery life is good its kinda of heavy and also it works...Great works as advertised. Has good battery life too."
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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.Top comment"The battery life is good its kinda of heavy and also it works...Great works as advertised. Has good battery life too."
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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 PacksYour price for this item is $69.99myCharge - Razor Xtreme 26,800 mAh Portable Charger for Most USB-Enabled Devices - Midnight Navy
Model: RZPD26BKSKU: 6460150Top comment"26800mha external battery...26800mha battery to solve in many occasions, for travel or no home electricity you can use in phones, tablets, laptops, etc. great power capacity to keep your equipment charge in emergencies situations!...It is heavy but it has a long battery life. Pretty durable!"
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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.Top comment"26800mha external battery...26800mha battery to solve in many occasions, for travel or no home electricity you can use in phones, tablets, laptops, etc. great power capacity to keep your equipment charge in emergencies situations!...It is heavy but it has a long battery life. Pretty durable!"
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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.See all Portable Chargers & Power PacksYour price for this item is $99.99myCharge - Adventure H2O Turbo 20,100 mAh Portable Charger for Most USB Enabled Devices - Gray
Model: AHCT20KGSKU: 6402522Top comment"Works great!! Long battery life, sturdy and not heavy...Works great!!!! Great battery life!!! Easy to carry!!!"
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Keep your mobile devices powered on the go with the myCharge Adventure H2O Turbo portable power pack. The 20100mAh capacity powers up to two devices simultaneously, while the rubberized design provides reliable durability. Dust proof, drop proof, and water proof, the myCharge Adventure H2O Turbo portable power pack has USB-A and USB-C ports that deliver up to 18W of output for rapid charging in a rugged, compact profile for maximum portability.Top comment"Works great!! Long battery life, sturdy and not heavy...Works great!!!! Great battery life!!! Easy to carry!!!"
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Keep your mobile devices powered on the go with the myCharge Adventure H2O Turbo portable power pack. The 20100mAh capacity powers up to two devices simultaneously, while the rubberized design provides reliable durability. Dust proof, drop proof, and water proof, the myCharge Adventure H2O Turbo portable power pack has USB-A and USB-C ports that deliver up to 18W of output for rapid charging in a rugged, compact profile for maximum portability.See all Portable Chargers & Power PacksYour price for this item is $79.99myCharge - HUB Turbo 6700 mAh Portable Charger for Most Mobile Devices - Gray
Model: HBT67GSKU: 6372012Top comment"excellent portable charger with strong battery life and ease of use. This portable charger holds a charge for a long time and quickly charges up devices. ...External battery...This has been a great external battery! Chareges my devices very quickly!!"
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Pack extra power for your portable mobile devices with this myCharge HUB Turbo power pack. The 6700 mAh rechargeable battery provides ample power for use while on the go, while the built-in USB port ensures seamless recharging. This myCharge HUB Turbo power pack has a four-light LED battery indicator that shows the charge status.Top comment"excellent portable charger with strong battery life and ease of use. This portable charger holds a charge for a long time and quickly charges up devices. ...External battery...This has been a great external battery! Chareges my devices very quickly!!"
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Pack extra power for your portable mobile devices with this myCharge HUB Turbo power pack. The 6700 mAh rechargeable battery provides ample power for use while on the go, while the built-in USB port ensures seamless recharging. This myCharge HUB Turbo power pack has a four-light LED battery indicator that shows the charge status.See all Portable Chargers & Power PacksYour price for this item is $79.99Anker - PowerCore III Elite 25600 mah 87W USB-C PD Portable Charger - Black
Model: A1291H11-1SKU: 6433261Top comment"Battery Life...Excellent battery life! Need fast charger though, takes long to charge with regular chargers....Best Battery Pack...Great battery life to charge a phone a few times."
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The Anker Advantage: Join the 55 million+ powered by our leading technology. Colossal Capacity: With a huge 25,600mAh cell capacity, you can keep multiple devices charged for days at a time (25,600mAh is the total of the nominal rated capacity of internal battery cells ). Charge an iPhone 11 Pro Max 4 times, an iPad mini 5 3 times, or a MacBook Air 2020 once. Unrivaled Charging Options: Equipped with dual USB-C ports for a powerful 87W charge to a single device, or simultaneous high-speed charging to 2 devices. With an additional 2 USB-A ports, you can even charge 4 devices at the same time at a combined output of 78W. Universal Compatibility: PowerCore is built using Anker’s exclusive PowerIQ technology to ensure flawless compatibility with virtually any mobile device.Top comment"Battery Life...Excellent battery life! Need fast charger though, takes long to charge with regular chargers....Best Battery Pack...Great battery life to charge a phone a few times."
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The Anker Advantage: Join the 55 million+ powered by our leading technology. Colossal Capacity: With a huge 25,600mAh cell capacity, you can keep multiple devices charged for days at a time (25,600mAh is the total of the nominal rated capacity of internal battery cells ). Charge an iPhone 11 Pro Max 4 times, an iPad mini 5 3 times, or a MacBook Air 2020 once. Unrivaled Charging Options: Equipped with dual USB-C ports for a powerful 87W charge to a single device, or simultaneous high-speed charging to 2 devices. With an additional 2 USB-A ports, you can even charge 4 devices at the same time at a combined output of 78W. Universal Compatibility: PowerCore is built using Anker’s exclusive PowerIQ technology to ensure flawless compatibility with virtually any mobile device.See all Portable Chargers & Power PacksYour price for this item is $149.99myCharge - Adventure H2O Turbo 10,050 mAh Portable Charger for Most USB Enabled Devices - Gray
Model: AHCT10KGSKU: 6402529Top comment"Battery life does not last long...Charges one device then battery to charger doesn’t last...Love it use it with my dash cam the battery life on it is unbelievable long"
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Keep your mobile devices powered on the go with the myCharge Adventure H2O Turbo portable power pack. The 10050mAh capacity powers up to two devices simultaneously, while the rubberized design provides reliable durability. Dust proof, drop proof, and water proof, the myCharge Adventure H2O Turbo portable power pack has USB-A and USB-C ports that deliver up to 18W of output for rapid charging in a rugged, compact profile for maximum portability.Top comment"Battery life does not last long...Charges one device then battery to charger doesn’t last...Love it use it with my dash cam the battery life on it is unbelievable long"
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Keep your mobile devices powered on the go with the myCharge Adventure H2O Turbo portable power pack. The 10050mAh capacity powers up to two devices simultaneously, while the rubberized design provides reliable durability. Dust proof, drop proof, and water proof, the myCharge Adventure H2O Turbo portable power pack has USB-A and USB-C ports that deliver up to 18W of output for rapid charging in a rugged, compact profile for maximum portability.See all Portable Chargers & Power PacksYour price for this item is $49.99Energizer - Ultimate Lithium 20,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray
Model: UE20015PQSKU: 6412341Top comment"External battery...Many, probably most, external batteries stretch the truth in its capacity. ...I love this charger. It has the capacity to charge multiple devices out in the field. "
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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.Top comment"External battery...Many, probably most, external batteries stretch the truth in its capacity. ...I love this charger. It has the capacity to charge multiple devices out in the field. "
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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 PacksYour price for this item is $64.99