external rechargeable battery for iphone 4

Best Buy customers often prefer the following products when searching for external rechargeable battery for iphone 4.

If you're a heavy user of your iPhone, you might be running out of battery at a crucial moment. An external battery pack can help you get more out of your phone and keep it charged longer. Browse the top-ranked list of external rechargeable batteries for iPhone 4 below along with associated reviews and opinions.

mophie - Powerstation PD (Fast Charge) 10,000 mAh Portable Charger for Most USB-Enabled Devices - Black
Model: 401105995
SKU: 6432666
Rating 4.6 out of 5 stars with 362 reviews
Top comment
"Great product which offers a lot of bang for your buck! I can charge my phone 3X before I have to recharge the battery pack. ...Next time , I will be able to charge my iphone!...Backup Power for Iphones...Battery Life Saver!"
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Product Description
Experience superfast charging that easily fits in your bag. Thanks to a versatile USB-C PD port, this mophie Powersation 10,000 mAh charges and recharges in record time. Easily charge multiple devices simultaneously with the USB-C and USB-A ports. The premium fabric finish adds style and prevents scuffs and scratches to your devices. mophie’s 10,000mAh powerstation lets your everyday devices be ready for any adventure.
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Top comment
"Great product which offers a lot of bang for your buck! I can charge my phone 3X before I have to recharge the battery pack. ...Next time , I will be able to charge my iphone!...Backup Power for Iphones...Battery Life Saver!"
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Product Description
Experience superfast charging that easily fits in your bag. Thanks to a versatile USB-C PD port, this mophie Powersation 10,000 mAh charges and recharges in record time. Easily charge multiple devices simultaneously with the USB-C and USB-A ports. The premium fabric finish adds style and prevents scuffs and scratches to your devices. mophie’s 10,000mAh powerstation lets your everyday devices be ready for any adventure.
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Energizer - Ultimate Lithium 20,000 mAh 22.5W PD USB-C Universal Portable Battery Charger/Power Bank with LCD Display - Black
Model: UE20063PQ
SKU: 6513563
Rating 4.4 out of 5 stars with 43 reviews
Top comment
"It's not a battery charger that will fit in your pocket, but it will be a staple in my traveling pack due to its prolonged battery life....A lot of battery life...This charger is much lighter then the previous version and holds a hefty charge. I charged my iPhone from 50% to 100% and it only used 10% of the battery. "
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Product Description
Charge your mobile devices including Smartphones, Tablets, earbuds and most USB devices with this Energizer power bank. The triple outputs, including 2 Smart USB-A and 1 USB-C, can charge up to three devices at the same time. 20W USB-C Power Delivery allows you to fast charge the new iPhones from 0 to 50% in only 30 minutes, and other USB-C devices. The Smart USB-A supports up to 22.5W fast charge for Samsung, Huawei, and other compatible Android devices charting them from 0-80% in as little as 35 minutes. The dual inputs allow you to recharge through USB-C or micro-USB based on your convenience. The LCD indicator shows the battery charging status and amount of power remaining. Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. A USB-C cable is included.
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Top comment
"It's not a battery charger that will fit in your pocket, but it will be a staple in my traveling pack due to its prolonged battery life....A lot of battery life...This charger is much lighter then the previous version and holds a hefty charge. I charged my iPhone from 50% to 100% and it only used 10% of the battery. "
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Product Description
Charge your mobile devices including Smartphones, Tablets, earbuds and most USB devices with this Energizer power bank. The triple outputs, including 2 Smart USB-A and 1 USB-C, can charge up to three devices at the same time. 20W USB-C Power Delivery allows you to fast charge the new iPhones from 0 to 50% in only 30 minutes, and other USB-C devices. The Smart USB-A supports up to 22.5W fast charge for Samsung, Huawei, and other compatible Android devices charting them from 0-80% in as little as 35 minutes. The dual inputs allow you to recharge through USB-C or micro-USB based on your convenience. The LCD indicator shows the battery charging status and amount of power remaining. Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices. A USB-C cable is included.
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mophie - Snap+ Powerstation Stand 10,000 mAh Portable Charger with MagSafe Compatibility - Black
Model: 401107913
SKU: 6459713
Rating 4.4 out of 5 stars with 78 reviews
Top comment
"Great product with amazing battery life...This product is great, will charge my iphone14 pro max 3-4 times. The only down side is the magnet isnt that strong, so even if you have a magsafe case the battery will fall off pretty easily....Qi portable charge battery...Great battery for the iPhone with qi … keeps me on the go when my phone battery is low! "
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Product Description
Stream movies or make video calls without worrying about a low battery! This mophie Snap+ Powerstation Stand 10,000 mAh Portable Charger with MagSafe Compatibility charges MagSafe enabled iPhone 13/iPhone 12 devices and Qi-enabled smartphones in an ultra-versatile package. An adjustable stand folds out to turn the powerstation into a portable stand that charges your phone while you text or stream. The snap+ powerstation stand also includes a standard ¼ inch tripod socket to take your video calls to the next level. The magnetic array ensures charging begins on contact, so you get the perfect charge every time.
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Top comment
"Great product with amazing battery life...This product is great, will charge my iphone14 pro max 3-4 times. The only down side is the magnet isnt that strong, so even if you have a magsafe case the battery will fall off pretty easily....Qi portable charge battery...Great battery for the iPhone with qi … keeps me on the go when my phone battery is low! "
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Product Description
Stream movies or make video calls without worrying about a low battery! This mophie Snap+ Powerstation Stand 10,000 mAh Portable Charger with MagSafe Compatibility charges MagSafe enabled iPhone 13/iPhone 12 devices and Qi-enabled smartphones in an ultra-versatile package. An adjustable stand folds out to turn the powerstation into a portable stand that charges your phone while you text or stream. The snap+ powerstation stand also includes a standard ¼ inch tripod socket to take your video calls to the next level. The magnetic array ensures charging begins on contact, so you get the perfect charge every time.
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mophie - Snap+ Juice Pack Mini 5,000 mAh Portable Charger with MagSafe Compatibility - Black
Model: 401107911
SKU: 6459705
Rating 4.2 out of 5 stars with 232 reviews
Top comment
"Battery Pack...Awesome battery pack, works with magsafe for new and older iphones...Works well with my 13 pro Max and you can charge your air pods pro as well. Long lasting battery life"
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Product Description
Giving your phone a boost of power is now easier than ever! Just attach the snap+ juice pack mini to your phone and you're ready to outlast the day. The snap+ juice pack mini works with most MagSafe enabled iPhone 13/iPhone 12 devices and Qi-enabled smartphones. Just use the included snap adapter with Qi-enabled smartphones to get the same, convenient charging experience. The magnetic array ensures you get a perfect charge every time.
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Top comment
"Battery Pack...Awesome battery pack, works with magsafe for new and older iphones...Works well with my 13 pro Max and you can charge your air pods pro as well. Long lasting battery life"
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Product Description
Giving your phone a boost of power is now easier than ever! Just attach the snap+ juice pack mini to your phone and you're ready to outlast the day. The snap+ juice pack mini works with most MagSafe enabled iPhone 13/iPhone 12 devices and Qi-enabled smartphones. Just use the included snap adapter with Qi-enabled smartphones to get the same, convenient charging experience. The magnetic array ensures you get a perfect charge every time.
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mophie - Snap+ Juice Pack Mini Wallet 5,000 mAh Portable Charger & Card Holder with MagSafe Compatibility - Black
Model: 401108985
SKU: 6494559
Rating 3.8 out of 5 stars with 118 reviews
Top comment
"battery charger...No heavy for external battery charger and charge quickly...The device itself comes to a full charge pretty quickly and maintains great battery life while in use. "
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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...The device itself comes to a full charge pretty quickly and maintains great battery life while in use. "
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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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Anker - PowerCore III Elite 25600 mah 87W USB-C PD Portable Charger - Black
Model: A1291H11-1
SKU: 6433261
Rating 4.5 out of 5 stars with 653 reviews
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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Product Description
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.
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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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Product Description
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.
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Energizer - Ultimate Lithium 10,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray
Model: UE10015PQ
SKU: 6412336
Rating 4.6 out of 5 stars with 720 reviews
Top comment
"Great portable battery...Takes times to charge but it’s because it’s a 10k charge battery , one’s fully charge it’s work perfectly, it charges my iPhone and other devices very fast...Great for increasing the battery life of a phone whose battery can not be replaced. "
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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
"Great portable battery...Takes times to charge but it’s because it’s a 10k charge battery , one’s fully charge it’s work perfectly, it charges my iPhone and other devices very fast...Great for increasing the battery life of a phone whose battery can not be replaced. "
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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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Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black
Model: QE20007PQ
SKU: 6498854
Rating 4.3 out of 5 stars with 404 reviews
Top comment
"Great Battery...Amazing on the number of charges that you get for an iphone. I wish all batteries were like this....The battery life is good its kinda of heavy and also it works"
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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.
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Top comment
"Great Battery...Amazing on the number of charges that you get for an iphone. I wish all batteries were like this....The battery life is good its kinda of heavy and also it works"
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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.
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See all Portable Chargers & Power Packs
Energizer - MAX 10,000mAh High Speed Universal Portable Charger/Power Bank with LCD Display for Apple, Android, Google & USB Devices - Black
Model: UE10068
SKU: 6498921
Rating 4.5 out of 5 stars with 507 reviews
Top comment
"great battery life, can charge multiple devices at once...Decent Charge! Took it to Disneyland and it fully charged about 2 Iphones one being Iphone 11 and Iphone 13"
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Product 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 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 battery life, can charge multiple devices at once...Decent Charge! Took it to Disneyland and it fully charged about 2 Iphones one being Iphone 11 and Iphone 13"
See all customer reviews
Product 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 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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See all Portable Chargers & Power Packs
Energizer - MAX 20,000mAh High Speed Universal Portable Charger/Power Bank with LCD Display for Apple, Android, Google & USB Devices - Black
Model: UE20068
SKU: 6498909
Rating 4.5 out of 5 stars with 507 reviews
Top comment
"I like the long battery life and size. Also, battery life indicator is valuable...Works better than I hoped for, I have charged me phone about 4 times and it is still at over 50% battery life."
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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
"I like the long battery life and size. Also, battery life indicator is valuable...Works better than I hoped for, I have charged me phone about 4 times and it is still at over 50% battery life."
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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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See all Portable Chargers & Power Packs