Highest Capacity External Battery
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.
Energizer - MAX 30,000mAh 15W USB-C 3-Port Universal Portable Battery Charger/Power Bank w/ LCD screen for Smartphones & Accessories - Black
Model: UE30035CSKU: 6589871Top comment"Wonderful battery - too slow to recharge...A fine battery pack. A little heavy, but considering its capacity, no surprise. ...Great Portable Battery Charger/Power Bank...Great Portable Battery Charger/Power Bank that charge various devices up to 3 at a time."
See all customer reviewsSee all Portable Chargers & Power BanksProduct Description
Charge your mobile devices quickly and efficiently with this Energizer power bank. This portable charger provides 30,000mAh 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 30,000mAh battery provides up to 108 hours of additional power to smartphones while the USB 2.1 Type-A port with Rapid Charge technology delivers power consistently and efficiently. The two USB-C outputs provide up to 15W of charging power. Charge up to three devices at once via one USB-A outputs and two USB-C output. 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 3 foot USB-C Cable is included for recharging the power bank and external devices quickly and efficiently.Top comment"Wonderful battery - too slow to recharge...A fine battery pack. A little heavy, but considering its capacity, no surprise. ...Great Portable Battery Charger/Power Bank...Great Portable Battery Charger/Power Bank that charge various devices up to 3 at a time."
See all customer reviewsSee all Portable Chargers & Power BanksProduct Description
Charge your mobile devices quickly and efficiently with this Energizer power bank. This portable charger provides 30,000mAh 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 30,000mAh battery provides up to 108 hours of additional power to smartphones while the USB 2.1 Type-A port with Rapid Charge technology delivers power consistently and efficiently. The two USB-C outputs provide up to 15W of charging power. Charge up to three devices at once via one USB-A outputs and two USB-C output. 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 3 foot USB-C Cable is included for recharging the power bank and external devices quickly and efficiently.See all Portable Chargers & Power BanksYour price for this item is $39.99
Energizer - MAX 20,000mAh 15W USB-C 3-Port Universal Portable Battery Charger/Power Bank w/ LCD screen for Smartphones & Accessories - Black
Model: UE20035CSKU: 6589874Top comment"Energizer battery is great...This external battery is easy to use, holds a charge well, and charges my phone and laptop quickly when I need a boost away from a plug. ...An excellent high capacity battery pack....This thing is a lifesaver. The high 20,000mAh capacity means I can charge my phone multiple times before it needs a refill. "
See all customer reviewsSee all Portable Chargers & Power BanksProduct 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 USB 2.1 Type-A port with Rapid Charge technology delivers power consistently and efficiently. The two USB-C outputs provide up to 15W of charging power. Charge up to three devices at once via one USB-A outputs and two USB-C output. 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 3 foot USB-C Cable is included for recharging the power bank and external devices quickly and efficiently.Top comment"Energizer battery is great...This external battery is easy to use, holds a charge well, and charges my phone and laptop quickly when I need a boost away from a plug. ...An excellent high capacity battery pack....This thing is a lifesaver. The high 20,000mAh capacity means I can charge my phone multiple times before it needs a refill. "
See all customer reviewsSee all Portable Chargers & Power BanksProduct 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 USB 2.1 Type-A port with Rapid Charge technology delivers power consistently and efficiently. The two USB-C outputs provide up to 15W of charging power. Charge up to three devices at once via one USB-A outputs and two USB-C output. 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 3 foot USB-C Cable is included for recharging the power bank and external devices quickly and efficiently.See all Portable Chargers & Power BanksYour price for this item is $29.99
Energizer - MAX 5,000mAh 15W USB-C 3-Port Universal Portable Battery Charger/Power Bank w/ LCD screen for Smartphones & Accessories - Black
Model: UE5035CSKU: 6589873Top comment"Display is extremely helpful showing charge capacity. Can fully charge an iPhone from zero 1.5x. ...Compact battery pack....This is a pretty small battery pack that's easy to carry. It's lightbweight an easily fits in a pocket. "
See all customer reviewsSee all MagSafe Portable Chargers & Power BanksProduct Description
Charge your mobile devices with this Energizer power bank. The Energizer UE5035C is the perfect ultra-slim power bank for smartphones, tablets, and more. The UE5035C 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 to smartphones while the USB 2.1 Type-A port with Rapid Charge technology delivers power consistently and efficiently. The two USB-C outputs provide up to 15W of charging power. Charge up to three devices at once via one USB-A outputs and two USB-C output. 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 3 foot USB-C Cable is included for recharging the power bank and external devices quickly and efficiently.Top comment"Display is extremely helpful showing charge capacity. Can fully charge an iPhone from zero 1.5x. ...Compact battery pack....This is a pretty small battery pack that's easy to carry. It's lightbweight an easily fits in a pocket. "
See all customer reviewsSee all MagSafe Portable Chargers & Power BanksProduct Description
Charge your mobile devices with this Energizer power bank. The Energizer UE5035C is the perfect ultra-slim power bank for smartphones, tablets, and more. The UE5035C 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 to smartphones while the USB 2.1 Type-A port with Rapid Charge technology delivers power consistently and efficiently. The two USB-C outputs provide up to 15W of charging power. Charge up to three devices at once via one USB-A outputs and two USB-C output. 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 3 foot USB-C Cable is included for recharging the power bank and external devices quickly and efficiently.See all MagSafe Portable Chargers & Power BanksYour price for this item is $12.99Save $2The comparable value price is $14.99
Energizer - MAX 10,000mAh 15W USB-C 3-Port Universal Portable Battery Charger/Power Bank w/ LCD screen for Smartphones & Accessories - Black
Model: UE10035CSKU: 6589876Top comment"And it doesn't require too many hours to charge to full capacity....External battery...Energizer battery works great for when on the go keeps u charged up"
See all customer reviewsSee all Portable Chargers & Power BanksProduct Description
Charge your mobile devices quickly and efficiently with this Energizer power bank. This portable charger provides 10,000mAh 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 10,000mAh battery provides up to 36 hours of additional power to smartphones while the USB 2.1 Type-A port with Rapid Charge technology delivers power consistently and efficiently. The two USB-C outputs provide up to 15W of charging power. Charge up to three devices at once via one USB-A outputs and two USB-C output. 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 3 foot USB-C Cable is included for recharging the power bank and external devices quickly and efficiently.Top comment"And it doesn't require too many hours to charge to full capacity....External battery...Energizer battery works great for when on the go keeps u charged up"
See all customer reviewsSee all Portable Chargers & Power BanksProduct Description
Charge your mobile devices quickly and efficiently with this Energizer power bank. This portable charger provides 10,000mAh 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 10,000mAh battery provides up to 36 hours of additional power to smartphones while the USB 2.1 Type-A port with Rapid Charge technology delivers power consistently and efficiently. The two USB-C outputs provide up to 15W of charging power. Charge up to three devices at once via one USB-A outputs and two USB-C output. 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 3 foot USB-C Cable is included for recharging the power bank and external devices quickly and efficiently.See all Portable Chargers & Power BanksYour price for this item is $19.99
Anker - PowerCore Select 10000mAh Dual USB Portable Charger External Battery Pack - Black
Model: A1223H11-1SKU: 6581512Top comment"Good battery...You can’t go wrong with extra battery on the go and I my daughter really like this brand Anker....Battery pack...The battery pack works great .. the full charge last for hours in my jacket & vest .. so good I bought 3 I highly recommend this product !"
See all customer reviewsSee all Portable Chargers & Power BanksProduct 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 timeTop comment"Good battery...You can’t go wrong with extra battery on the go and I my daughter really like this brand Anker....Battery pack...The battery pack works great .. the full charge last for hours in my jacket & vest .. so good I bought 3 I highly recommend this product !"
See all customer reviewsSee all Portable Chargers & Power BanksProduct 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 timeSee all Portable Chargers & Power BanksYour price for this item is $19.99
Insignia™ - 30W 10,000mAh Portable Charger for Most Smartphones, Tablets and other USB-C devices - Black
Model: NS-MB31030B25SKU: 6585737Top comment"It is able to be used for charging an external device or charging the battery pack itself. ...All of my mobile devices identified themselves as being in fast charge mode when connected, and the 10,000mAh capacity should be sufficient to fully charge my Galaxy S23 Ultra, with its 5000mAh battery, twice. "
See all customer reviewsSee all Portable Chargers & Power BanksProduct Description
Don’t be left stranded with a dead battery. Stow away the Insignia NS-MB31030B25 30W 10,000mAh Portable Charger for Most Smartphones, Tablets and other USB-C devices in your backpack and be confident that a quick charge is just moments away. The portable charger offers a multitude of charging options, including the built-in USB-C cable, a second USB-C port and a USB port. And with the built-in cable, there’s one less thing to worry about packing. The charging bank features a 10,000mAh capacity, letting you charge multiple devices before needing a recharge. An LCD screen on the power bank displays battery level and charging duration, and a battery indicator blinks when the battery level drops below 5 percent. The sleek and compact design makes it easy to take the portable charger with you wherever you go.Top comment"It is able to be used for charging an external device or charging the battery pack itself. ...All of my mobile devices identified themselves as being in fast charge mode when connected, and the 10,000mAh capacity should be sufficient to fully charge my Galaxy S23 Ultra, with its 5000mAh battery, twice. "
See all customer reviewsSee all Portable Chargers & Power BanksProduct Description
Don’t be left stranded with a dead battery. Stow away the Insignia NS-MB31030B25 30W 10,000mAh Portable Charger for Most Smartphones, Tablets and other USB-C devices in your backpack and be confident that a quick charge is just moments away. The portable charger offers a multitude of charging options, including the built-in USB-C cable, a second USB-C port and a USB port. And with the built-in cable, there’s one less thing to worry about packing. The charging bank features a 10,000mAh capacity, letting you charge multiple devices before needing a recharge. An LCD screen on the power bank displays battery level and charging duration, and a battery indicator blinks when the battery level drops below 5 percent. The sleek and compact design makes it easy to take the portable charger with you wherever you go.See all Portable Chargers & Power BanksYour price for this item is $29.99Save $5The comparable value price is $34.99
Energizer - Ultimate Lithium 30,000 mAh 30W Power Delivery 3-Port USB-C Universal Portable Battery Charger/Power Bank w/ LCD Display - Black
Model: UE30072PQSKU: 6589869Top comment"I highly recommend this Energizer Power Pack. My highest recommendation. 5-Stars....Great portable battery...Looking for a battery to power a dashboard camera. This is exactly what I needed."
See all customer reviewsSee all Portable Chargers & Power BanksProduct Description
Charge your mobile devices including Smartphones, Computers, Tablets, earbuds and most USB devices with this Energizer power bank. The three outputs, including one Smart USB-A and two USB-C, can charge three devices at the same time. The 30W USB-C Power Delivery technology allows you to fast charge the new iPhones from 0 to 50% in only 30 minutes, and other USB-C devices. The 30,000mAh battery provides up to 108 hours of additional power to smartphones. The two 30W USB-C Power Delivery outputs also support laptop charging. One USB-A port charges devices at 18W to charge Android devices from 0-50% in 30 minutes. The LCD screen indicator shows the battery charging status at a quick glance. Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. You also get a built in LED light to illuminate the way!Top comment"I highly recommend this Energizer Power Pack. My highest recommendation. 5-Stars....Great portable battery...Looking for a battery to power a dashboard camera. This is exactly what I needed."
See all customer reviewsSee all Portable Chargers & Power BanksProduct Description
Charge your mobile devices including Smartphones, Computers, Tablets, earbuds and most USB devices with this Energizer power bank. The three outputs, including one Smart USB-A and two USB-C, can charge three devices at the same time. The 30W USB-C Power Delivery technology allows you to fast charge the new iPhones from 0 to 50% in only 30 minutes, and other USB-C devices. The 30,000mAh battery provides up to 108 hours of additional power to smartphones. The two 30W USB-C Power Delivery outputs also support laptop charging. One USB-A port charges devices at 18W to charge Android devices from 0-50% in 30 minutes. The LCD screen indicator shows the battery charging status at a quick glance. Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. You also get a built in LED light to illuminate the way!See all Portable Chargers & Power BanksYour price for this item is $49.99
myCharge - AMP PRONG PLUS 10,000mAh Everything Built-In Portable Charge for Most USB-C Enables Devices - Blue
Model: AP10BSKU: 6553158Top comment"Impressive external battery pack...I bought this product because I recently became a Amazon delivery driver and the device we are required to use constantly drains the battery immensely so I decided that I needed to buy an external battery pack so far this device has made my job 100% more efficient it charges Very fast And has really good battery life I love that it plugs into the wall!! ...Battery...Great product for reasonable price. The battery looks good and last a long time."
See all customer reviewsSee all Wall Chargers & Power AdaptersProduct Description
Keep your mobile devices powered on the go with the myCharge AMP PRONG 10K portable power pack. The 10000mAh capacity powers up to two devices simultaneously. The myCharge AMP PRONG 10K portable power pack has USB-C port and a built-in USB-C cable that deliver up to 12W of output for rapid charging. The device has built-in wall prongs for rapid recharging of the powerbankTop comment"Impressive external battery pack...I bought this product because I recently became a Amazon delivery driver and the device we are required to use constantly drains the battery immensely so I decided that I needed to buy an external battery pack so far this device has made my job 100% more efficient it charges Very fast And has really good battery life I love that it plugs into the wall!! ...Battery...Great product for reasonable price. The battery looks good and last a long time."
See all customer reviewsSee all Wall Chargers & Power AdaptersProduct Description
Keep your mobile devices powered on the go with the myCharge AMP PRONG 10K portable power pack. The 10000mAh capacity powers up to two devices simultaneously. The myCharge AMP PRONG 10K portable power pack has USB-C port and a built-in USB-C cable that deliver up to 12W of output for rapid charging. The device has built-in wall prongs for rapid recharging of the powerbankSee all Wall Chargers & Power AdaptersYour price for this item is $49.99
mophie - Powerstation PD (Fast Charge) 10,000 mAh Portable Charger for Most USB-Enabled Devices - Black
Model: 401110783SKU: 6542176Top comment"External phone charger...It has three different ports for iPhone and others. It contains a large battery capacity I continuously use it after my phone runs out of complete battery. "
See all customer reviewsSee all Portable Chargers & Power BanksProduct 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.Top comment"External phone charger...It has three different ports for iPhone and others. It contains a large battery capacity I continuously use it after my phone runs out of complete battery. "
See all customer reviewsSee all Portable Chargers & Power BanksProduct 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 BanksYour price for this item is $37.99Save $2The comparable value price is $39.99
myCharge - Adventure H2O Turbo 10,050 mAh Portable Charger for Most USB Enabled Devices - Gray
Model: AHCT10KGSKU: 6402529Top comment"External charger...Good size and battery capacity, good idea with side carabiner - makes it convenient to attach to belt loop in my case - comes handy"
See all customer reviewsSee all Portable Chargers & Power BanksProduct Description
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"External charger...Good size and battery capacity, good idea with side carabiner - makes it convenient to attach to belt loop in my case - comes handy"
See all customer reviewsSee all Portable Chargers & Power BanksProduct Description
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 BanksYour price for this item is $33.99Save $16The comparable value price is $49.99
Shopping ideas related to Highest Capacity External Battery
- 4500 Mah Battery Phones
"Just bought recently, my son loves his new phone. Definitely an upgrade from his OP 10, awesome quality and these phones have outstanding battery"
- Best Travel Phone Charger
"The battery does weigh a good amount so it may not be the best for air travel. Would reccommend though"
- Durable Battery
"[This review was collected as part of a promotion.] Great durable batteries, they last a good while and the price value you can't beat anywhere, the packaging is nice as well easy to get into, i recommend buying"
- External Rechargeable Battery For Iphone 4
"Loses some charge while sitting which I didn't really like, it can fully charge my iphone 16pro once with 30% left, kinda figured it would do a little more than that"