Large Battery Packs
Best Buy customers often prefer the following products when searching for Large Battery Packs.
If you're a frequent traveler, a power user, or just someone who likes to have the latest gadgets available at all times, you know how important it is to have a large battery pack handy. These portable powerhouses will give you extra juice on-the-go so you never have to worry about running out of battery again. Browse the top-ranked list of large battery packs below along with associated reviews and opinions.
Energizer - Ultimate Lithium 10,000 mAh 3-Port 37.5W max 20W USB-C PD & 15W Qi Wireless Portable Power Bank - Black
Model: QM10005PQSKU: 6621947Top comment"Good battery pag and sticks well to the phone...great battery pack, does its job. Sticks to the phone perfectly and tightly....It’s compact, lightweight, and packs a surprising punch for its size. I can charge my phone, wireless earbuds, and even my tablet all at once without slowing down. f you need a reliable, stylish, and feature-packed portable charger, this Energizer model is worth every penny!"
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Stay powered on the go with the QM10005PQ 10,000mAh Magnetic Wireless Power Bank. Designed for convenience and efficiency, it delivers 22.5W USB-A Fast Charging, 20W USB-C Power Delivery, and up to 15W Wireless Charging for seamless, high-speed energy transfer. The strong magnetic attachment ensures secure alignment for MagSafe-compatible devices and magnetic phone cases. With multi-device support, you can fast-charge your smartphone for up to 36 hours, small tablets for 12 hours, and large tablets for 8 hours. Its compact, lightweight design makes it easy to carry, while the premium lithium polymer cell ensures safety and reliability.Top comment"Good battery pag and sticks well to the phone...great battery pack, does its job. Sticks to the phone perfectly and tightly....It’s compact, lightweight, and packs a surprising punch for its size. I can charge my phone, wireless earbuds, and even my tablet all at once without slowing down. f you need a reliable, stylish, and feature-packed portable charger, this Energizer model is worth every penny!"
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Stay powered on the go with the QM10005PQ 10,000mAh Magnetic Wireless Power Bank. Designed for convenience and efficiency, it delivers 22.5W USB-A Fast Charging, 20W USB-C Power Delivery, and up to 15W Wireless Charging for seamless, high-speed energy transfer. The strong magnetic attachment ensures secure alignment for MagSafe-compatible devices and magnetic phone cases. With multi-device support, you can fast-charge your smartphone for up to 36 hours, small tablets for 12 hours, and large tablets for 8 hours. Its compact, lightweight design makes it easy to carry, while the premium lithium polymer cell ensures safety and reliability.See all Portable Chargers & Power BanksYour price for this item is $14.99The comparable value price is $29.99Select pickup
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INIU - Pocket Power 20K Portable Power Bank with Built-In USB-C Cable (IN&OUT), 20000mAh PD 22.5W, for iPhone & Android - Black
Model: P51L-P1SKU: 6601685Top comment"Battery pack...Works for all my devices can charge phone fast atleast 4 times before needed to recharge pack...Portable battery pack"
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INIU Pocket Power 20K, this high-capacity 20,000mAh power bank powers your iPhone 15 to 65% in just 25 minutes with PD 22.5W output. With a built-in USB-C cable, no extra cord needed to charge your devices! Plus, it can provide power for a week with just one recharge. What's more, you are also back up with industry-leading 3-year warranty!Top comment"Battery pack...Works for all my devices can charge phone fast atleast 4 times before needed to recharge pack...Portable battery pack"
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INIU Pocket Power 20K, this high-capacity 20,000mAh power bank powers your iPhone 15 to 65% in just 25 minutes with PD 22.5W output. With a built-in USB-C cable, no extra cord needed to charge your devices! Plus, it can provide power for a week with just one recharge. What's more, you are also back up with industry-leading 3-year warranty!See all Portable Chargers & Power BanksYour price for this item is $31.44The comparable value price is $39.99Select pickup
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Best Buy essentials™ - 20W 20,000mAh Portable Charger for Most Smartphones, Tablets and USB Devices - Black
Model: BE-MB22020B25SKU: 6583836Top comment"Battery pack works as expected without any issues....Long lasting battery pack...Hold a charge long enough to charge my IPhone multiple times without having to recharge to battery pack."
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Stay fully charged while on the go with the Best Buy Essentials 20W 20,000mAh Portable Charge for Most Smartphones, Tablets and USB Devices. The power bank features a 20W USB-C port and two USB ports (12W total) to charge multiple devices simultaneously. Track the charging status and remaining battery with the LED indicators on the side. The power bank’s 20,000mAh capacity is at the top end of the spectrum for portable chargers, allowing maximum device charges before needing its own recharge. And it’s backed by Best Buy, so can trust it will keep your devices charged away from home.Top comment"Battery pack works as expected without any issues....Long lasting battery pack...Hold a charge long enough to charge my IPhone multiple times without having to recharge to battery pack."
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Stay fully charged while on the go with the Best Buy Essentials 20W 20,000mAh Portable Charge for Most Smartphones, Tablets and USB Devices. The power bank features a 20W USB-C port and two USB ports (12W total) to charge multiple devices simultaneously. Track the charging status and remaining battery with the LED indicators on the side. The power bank’s 20,000mAh capacity is at the top end of the spectrum for portable chargers, allowing maximum device charges before needing its own recharge. And it’s backed by Best Buy, so can trust it will keep your devices charged away from home.See all Portable Chargers & Power BanksYour price for this item is $31.99The comparable value price is $39.99Open-Box OnlyNew conditions of this item are unavailable, but we do have open-box conditions in your area.
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"Battery Pack...Battery pack i a little heavy, but packs a big punch especially for the cost, so really like it so far. ...great battery pack...This battery pack lasts me weeks! I havent had any issues with it and I can charge many devices several times with it."
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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"Battery Pack...Battery pack i a little heavy, but packs a big punch especially for the cost, so really like it so far. ...great battery pack...This battery pack lasts me weeks! I havent had any issues with it and I can charge many devices several times with it."
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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 $24.99The comparable value price is $49.99Select pickup
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Best Buy essentials™ - 5,000mAh Magnetic Wireless Portable Charger for iPhone and Most USB-C Devices - White
Model: BE-MQ2515W25SKU: 6585738See all Portable Chargers & Power BanksProduct Description
The Best Buy essentials 5,000mAh Magnetic Wireless Portable Charger for iPhone and Most USB-C Devices provides 7.5W of total power to keep your devices charged and at the ready, while a USB-C port can provide up to 15W to charge an additional device. With a 5,000mAh capacity, attach the charger to your iPhone or use the included USB-C cable for wired charging. LED indicator lights will let you know when the battery is charging your device, when it is finished or when it needs to be charged.See all Portable Chargers & Power BanksProduct Description
The Best Buy essentials 5,000mAh Magnetic Wireless Portable Charger for iPhone and Most USB-C Devices provides 7.5W of total power to keep your devices charged and at the ready, while a USB-C port can provide up to 15W to charge an additional device. With a 5,000mAh capacity, attach the charger to your iPhone or use the included USB-C cable for wired charging. LED indicator lights will let you know when the battery is charging your device, when it is finished or when it needs to be charged.See all Portable Chargers & Power BanksYour price for this item is $22.99The comparable value price is $32.99Select pickup
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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"Charger pack...This battery pack is use on rhe inside of a heat vest small and fit in pocket...Energizer power pack...I bought two of these power packs, a 5000mah and a 10000mah version both function flawlessly. "
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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"Charger pack...This battery pack is use on rhe inside of a heat vest small and fit in pocket...Energizer power pack...I bought two of these power packs, a 5000mah and a 10000mah version both function flawlessly. "
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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 Portable Chargers & Power BanksYour price for this item is $7.49The comparable value price is $14.99Select pickup
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Energizer - MAX 30,000mAh 15W USB-C 3-Port Universal Portable Battery Charger/Power Bank w/ LCD screen for Smartphones & Accessories - Black
Model: UE30035CSKU: 6589871See 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 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 $19.99The comparable value price is $39.99Select pickup
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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"Good battery pack...Very nice, reliable battery pack. Works well. Clearly displays what power is remaining...Charges slower than other battery packs I’ve owned due to it’s 15w max output but otherwise an alright battery pack."
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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 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"Good battery pack...Very nice, reliable battery pack. Works well. Clearly displays what power is remaining...Charges slower than other battery packs I’ve owned due to it’s 15w max output but otherwise an alright battery pack."
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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 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 $14.99The comparable value price is $29.99Select pickup
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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"Battery pack...Great battery pack for the price works great for the price...Energizer power pack...I bought two of these power packs, a 5000mah and a 10000mah version both function flawlessly. "
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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"Battery pack...Great battery pack for the price works great for the price...Energizer power pack...I bought two of these power packs, a 5000mah and a 10000mah version both function flawlessly. "
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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 $9.99The comparable value price is $19.99Select pickup
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Samsung - 45W 20,000mAh Battery Pack - Beige
Model: EB-P4520XUEGUSSKU: 6576235Top comment"Great battery pack, but it needs wireless charging...This 45w battery pack packs a serious punch of power. Charge up to 3 devices at once. "
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The 45W 20,000mAh Battery Pack with Super Fast Charging 2.0 allows you to charge your device in a flash. With a 5A USB C cable included, you have what you need to charge on the go.Top comment"Great battery pack, but it needs wireless charging...This 45w battery pack packs a serious punch of power. Charge up to 3 devices at once. "
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The 45W 20,000mAh Battery Pack with Super Fast Charging 2.0 allows you to charge your device in a flash. With a 5A USB C cable included, you have what you need to charge on the go.See all Portable Chargers & Power BanksYour price for this item is $54.99Open-Box OnlyNew conditions of this item are unavailable, but we do have open-box conditions in your area.
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