Best back up phone charger for 2021

It’s hard to know which is good back up phone charger. There are alot of back up phone charger reviews on internet. In this article we suggest top 10 the best back up phone charger for you. Please read carefully and choose what is the best back up phone charger for you.

Best back up phone charger

Product Features Editor's score Go to site
Anker PowerCore 10000 Portable Charger, One of The Smallest and Lightest 10000mAh Power Bank, Ultra-Compact Battery Pack, High-Speed Charging Technology Phone Charger for iPhone, Samsung and More. Anker PowerCore 10000 Portable Charger, One of The Smallest and Lightest 10000mAh Power Bank, Ultra-Compact Battery Pack, High-Speed Charging Technology Phone Charger for iPhone, Samsung and More.
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Portable Charger Anker PowerCore 20100mAh - Ultra High Capacity Power Bank with 4.8A Output and PowerIQ Technology, External Battery Pack for iPhone, iPad & Samsung Galaxy & More (Black) (A1271) Portable Charger Anker PowerCore 20100mAh - Ultra High Capacity Power Bank with 4.8A Output and PowerIQ Technology, External Battery Pack for iPhone, iPad & Samsung Galaxy & More (Black) (A1271)
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INIU Power Bank, Ultra-Slim Dual 3A High-Speed Portable Charger, 10000mAh USB C Input & Flashlight External Phone Battery Pack for iPhone Xs X 8 Plus Samsung S10 Google LG iPad etc. [2020 Upgrade] INIU Power Bank, Ultra-Slim Dual 3A High-Speed Portable Charger, 10000mAh USB C Input & Flashlight External Phone Battery Pack for iPhone Xs X 8 Plus Samsung S10 Google LG iPad etc. [2020 Upgrade]
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Jackery Portable Charger Giant+ 12000mAh Power Outdoors Dual USB Output Battery Pack Travel Backup Power Bank with Emergency LED Flashlight for iPhone, Samsung and Other Smart Devices - Black Jackery Portable Charger Giant+ 12000mAh Power Outdoors Dual USB Output Battery Pack Travel Backup Power Bank with Emergency LED Flashlight for iPhone, Samsung and Other Smart Devices - Black
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Solar Charger,Yelomin 20000mAh Portable Outdoor Mobile Power Bank,Camping External Backup Battery Pack Dual USB 5V 1A/2A Outputs with SOS Function & Compass Solar Charger,Yelomin 20000mAh Portable Outdoor Mobile Power Bank,Camping External Backup Battery Pack Dual USB 5V 1A/2A Outputs with SOS Function & Compass
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BESTON 10000mAh Power Bank Portable Charger, Dual USB Max 2.1A Output, Ultra Slim External Battery for iPhone, iPad, Android Cell Phones and Tablets BESTON 10000mAh Power Bank Portable Charger, Dual USB Max 2.1A Output, Ultra Slim External Battery for iPhone, iPad, Android Cell Phones and Tablets
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Portable Charger Power Bank 25800mAh, Ultra-High Capacity Fast Phone Charging with Newest Intelligent Controlling IC, 2 USB Ports External Cell Phone Battery Pack for iPhone,Samsung Android,Table etc Portable Charger Power Bank 25800mAh, Ultra-High Capacity Fast Phone Charging with Newest Intelligent Controlling IC, 2 USB Ports External Cell Phone Battery Pack for iPhone,Samsung Android,Table etc
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Portable Charger 26800mAh2020 Upgrade High CapacityPower Bank Ultra Compact External Battery Pack Backup with 4 LED Lights,Dual USB Ports High-Speed Charging for Cell Phones, Tablet and More (Black) Portable Charger 26800mAh2020 Upgrade High CapacityPower Bank Ultra Compact External Battery Pack Backup with 4 LED Lights,Dual USB Ports High-Speed Charging for Cell Phones, Tablet and More (Black)
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2-Pack Miady 20000mAh Portable Charger Power Bank, Dual USB Output and USB-C Input, Fast Charging Battery Pack Charger for iPhone X, Galaxy S9, Pixel 3 and etc 2-Pack Miady 20000mAh Portable Charger Power Bank, Dual USB Output and USB-C Input, Fast Charging Battery Pack Charger for iPhone X, Galaxy S9, Pixel 3 and etc
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Power Bank Portable Charger 26800mAh Portable Phone Charger with Dual Ports Output,Phone Battery Backup with Visible LED Display External Charger for iPhone,Samsung Galaxy,iPad and More. Power Bank Portable Charger 26800mAh Portable Phone Charger with Dual Ports Output,Phone Battery Backup with Visible LED Display External Charger for iPhone,Samsung Galaxy,iPad and More.
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Related posts:

1. Anker PowerCore 10000 Portable Charger, One of The Smallest and Lightest 10000mAh Power Bank, Ultra-Compact Battery Pack, High-Speed Charging Technology Phone Charger for iPhone, Samsung and More.

Feature

The Anker Advantage: Join the 30 million+ powered by our leading technology.
Remarkably Compact: One of the smallest and lightest 10000mAh portable charger. Provides almost three-and-a-half iPhone 8 charges or two-and-a-half Galaxy S8 charges.
High-speed-Charging Technology: Anker's exclusive PowerIQ and VoltageBoost combine to deliver the fastest possible charge for any device. Qualcomm Quick Charge not supported.
Certified Safe: Anker's MultiProtect safety system ensures complete protection for you and your devices.
What You Get: Anker PowerCore 10000 portable charger, Micro USB cable, travel pouch, welcome guide, our worry-free 18-month warranty and friendly customer service. USB-C and Lightning cable for iPhone / iPad sold separately.

Description

PowerCore 10000
The Compact High-Capacity Portable Charger

From ANKER, America's Leading USB Charging Brand
Faster and safer charging with our advanced technology
10 million+ happy users and counting

Astonishing Size
PowerCore 10000 is incredibly small and light for its large capacity. It's smaller than a deck of cards and as light as a baseball, but can charge a phone over three times and most tablets once.

High-speed-Charging Technology
Anker's exclusive PowerIQ and VoltageBoost technologies combine to ensure the fastest possible charge up to 2.4 amps. Does not support Qualcomm Quick Charge

MultiProtect Safety System
Surge protection, short circuit prevention and more advanced safety features keep you and your devices safe.

Unrivaled Quality
Designed and built using only high-quality chips and hardware.

Worry-Free Warranty
At Anker, we believe in our products. That's why we back them all with an 18-month warranty and provide friendly, easy-to-reach support.

Notes:
We strongly recommend using the original Apple charging cable (not included) to charge Apple devices.
AC adapter not included.
Not compatible with devices with an input below 50mA (e.g. some Bluetooth headsets and GPS devices).

What's in the Box
1 Anker PowerCore 10000 portable charger
1 Micro USB cable
1 travel pouch
1 welcome guide

2. Portable Charger Anker PowerCore 20100mAh - Ultra High Capacity Power Bank with 4.8A Output and PowerIQ Technology, External Battery Pack for iPhone, iPad & Samsung Galaxy & More (Black) (A1271)

Feature

The Anker Advantage:Join the 50 million+ powered by our leading technology.
Ultra-High Capacity:Weighs as little as a can of soup (12.5 oz) yet charges the iPhone 8 almost seven times, the Galaxy S8 five times or the iPad mini 4 twice.
High-Speed Charging: PowerIQ and VoltageBoost combine to deliver the fastest possible charge(does not support Qualcomm Quick Charge). Recharges itself in 10 hours with a 2 amp charger, phone chargers (generally 1 amp) may take up to 20 hours.
Certified Safe: Anker's MultiProtect safety system ensures complete protection for you and your devices.
What You Get: Anker PowerCore 20100 Portable Charger, Micro USB cable, travel pouch, welcome guide, Lightning cable for iPhone / iPad sold separately.

3. INIU Power Bank, Ultra-Slim Dual 3A High-Speed Portable Charger, 10000mAh USB C Input & Flashlight External Phone Battery Pack for iPhone Xs X 8 Plus Samsung S10 Google LG iPad etc. [2020 Upgrade]

Feature

INIUs ConfidenceAt INIU, we use only the highest-grade materials, so we do have the confidence to provide industry-leading 3 years warranty.
High-speed ChargingOutpace your mates and charge 1.4x faster through our exclusive UPower+ technology. After intelligently identifying your devices, it auto-adjusts the output up to 3A.
Ultra SlimThe thinnest 10000mAh power bank on the market, easily slips it into any of your pockets or bags.
Dynamic DesignWhile your hand enjoys the device's sleek feel, your eyes will love the one-of-a-kind illuminated paw indicator.
Handy FlashlightSimply click the power button twice to turn on/off it. Helpful for reading camping blackout or emergency.
What You GetINIU 10000mAh portable charger*1, USB C cable*1, travel pouch*1, user manual*1, 30 days money back guarantee, INIU industry-leading 3 years warranty and life-time technical support.

4. Jackery Portable Charger Giant+ 12000mAh Power Outdoors Dual USB Output Battery Pack Travel Backup Power Bank with Emergency LED Flashlight for iPhone, Samsung and Other Smart Devices - Black

Feature

Founded in California in 2012, Jackery specializes in providing outdoor green power solutions for explorers. Jackery portable power station, power outdoors.
A Life Saver for Emegency: Keep a charger handy in an emergency, using it get emergency information and alerts or warnings from mobile or social media; Built-in flashlight light up the darkness and keep you safe in darkness or emergency place or when a light is needed
Massive Powerful 12000mAh Power and Dual Fast Charging: High capacity portable battery power pack recharges your iPhone XS 2.75 times, iPhone 8 5.2 times, a Galaxy S8 for 3.2 times, or an iPad Air more than one full charges; With dual USB outports (5V/2.4A each) of rechargeable battery powers up to 2 smartphones or tablets at once, Portable external battery pack perfect for travel
UL certified Safety: featuring UL certified battery cells, with professional management system, Jackery ensures comprehensive protection for you and your devices.
What's Included: 1* Jackery Giant+ 12,000mAh Portable Charger, 1* Micro USB 2.0 Charging Cable for the power bank, 1* User Guide, 1* Thank You Card. USB-C and Lightning cable for iPhone / iPad sold separately.

5. Solar Charger,Yelomin 20000mAh Portable Outdoor Mobile Power Bank,Camping External Backup Battery Pack Dual USB 5V 1A/2A Outputs with SOS Function & Compass

Feature

High Quality Portable Solar Charger - Made of durable and reliable ABS+PC+Silicone material.Built-in 20000mAh high capacity polymer battery equipped with a compact solar panel, which could recharge the battery itself under sunshine, eco-friendly and ideal for outdoor activity.The solar USB battery pack can be regards as a nice gift.
Compatible with Multiple Devices - Compatible with all smart phones,Tablet and other USB devices. More than 900+ recharge lifecycle. Solar Charging Travel Power bank with Carabiner, very reliable and durable.Solar power bank provides more convenience in your daily or in your trip.
Convenient Smart Express Charge - The solar powered charger has dual USB and powerful SOS function.Makes it easy to charge two smartphones simultaneously or a tablet at full speed.Featured with SOS function with Steady-SOS-Strobe mode. Five pilot indicators indicate the status of battery charger timely. Green indicator on when charging by solar, blue indicators on when USB charging.
FRIENDLY REMINDERS ON SOLAR POWER - External battery charger with solar panel can recharge by solar or outlet. But please do not take solar as main power source. It's subject to sunshine intensity and panel conversion rate, which may take long time to charge.The USB cable in the package is only used to charge the solar charger. It is not recommended to charge other devices, which may slow down the charging efficiency due to incompatibility.
Friendly Service for Solar Power Bank: 24h online after-sales service, friendly replace policy. Note: Solar charging is limited, the charging power can't always reach the maximum value because of the environment. It's recommended to take the solar charging feature as the emergency back-up solution instead of the main power sources, please fully charge it by USB cable before traveling or hiking.

6. BESTON 10000mAh Power Bank Portable Charger, Dual USB Max 2.1A Output, Ultra Slim External Battery for iPhone, iPad, Android Cell Phones and Tablets

Feature

10000 mAh High Capacity: Airplane-Safe 37Wh power can add 4 solid charges to iPhone 8, 2.2 charges to iPhone X, 2 charges to Samsung Galaxy S8 and 0.8 charge to iPad Air 2
Smart Charge: Auto detect your you devices and deliver its fastest possible charging speed with up to 2.1A output per port, charge 2 devices simultaneously with 2 USB ports (total 2.1A max)
Faster Recharge Speed: Save 50% on your recharge time with 5V 2A input to recover a fully battery in just 4.5 to 5 hours
Intelligent Safeguards: Built-in multi layers of protection IC to protect the power bank and your devices against over-charging, over-discharging, short-circuit, high-temperature and surge current
What You Get: BESTON 10000mAh Power Bank, Micro USB Cable, User Manual, 30 days money back and 1 year limited warranty with 24 hours friendly customer service

7. Portable Charger Power Bank 25800mAh, Ultra-High Capacity Fast Phone Charging with Newest Intelligent Controlling IC, 2 USB Ports External Cell Phone Battery Pack for iPhone,Samsung Android,Table etc

Feature

2019 latest design portable charger with 25800mAh ultra-huge capacity adopts our advanced intelligent controlling IC higher quality safer and more reliable powerful and longer-lasting life after 100% checked and continuous aging Test
Universal compatibility -- the power bank supports iPhone iPad iWatch AirPods Samsung Galaxy most other smart cell phones tablets Bluetooth devices and more It can charge 6 to 8 times to eliminate the anxiety of your battery exhaustion Suit for travel and Other indoor outdoor activities
Dual USB charging & Fast recharge -- the dual USB ports (2 1A+1a) to charge your two devices simultaneously fully recharges itself in 8 12 hours with 2 1a Input charger or 12-24 hours with 1a charger
4 LED Lights & Certified Safe -- Four led lights show the current remaining power of the item(25% 50% 75% 100%) easily press the power button to turn it on or off Built-in smart protection system the USB battery pack ensures complete protection for you
24 Months -- Ekrist 25800mAh portable battery charger Micro USB cables user manuals Together with 45 days money back 2 years and friendly easy-to-reach support!

8. Portable Charger 26800mAh2020 Upgrade High CapacityPower Bank Ultra Compact External Battery Pack Backup with 4 LED Lights,Dual USB Ports High-Speed Charging for Cell Phones, Tablet and More (Black)

Feature

26800mAh Upgrade High Capacity26800mAh power bank with huge capacity can charges most smartphones over 6 times or a tablet 2+ times. Suitable for a business trip or other outdoor activities.Without extra worry about low phone battery, enjoy your devices entertainment anytime anywhere. [Note:High capacity so the products weight 320g]
High-speed chargingDual USB battery pack combined with 5 V / 2.1 A and 5 V / 1A output, simultaneous charging for 2 devices. 4 blue LED indicators show the power left as 25%-50%-75%-100%. Charges in just 14-15 hours with a 2.1A charger.
Safe and Compatibility Battery PackWith built-in safeguards design, this power bank can auto identify and change the charging current depending on the different devices to protect your devices against excessive current, overheating, and overcharging, no security risks.
Universal CompatibilityOur portable charger is suitable for a wide range of electronic devices which have USB port.Please use the included Micro-USB cable, your original cable or a third-party certified one (such as MFi).
24-Month WarrantyCustomer-centric after-sale support 24 months quality warranty and 100% money back guarantee.If you are not satisfied with this charging case, please feel free to contact us. We will solve your problem in 24 hours.

9. 2-Pack Miady 20000mAh Portable Charger Power Bank, Dual USB Output and USB-C Input, Fast Charging Battery Pack Charger for iPhone X, Galaxy S9, Pixel 3 and etc

Feature

2-Pack 20000mAh Portable ChargerEach portable phone charger holds a massive 20100mAh battery in a relatively small case so these battery pack chargers can easily recharge your phone several times and still have some charge left. Fully charges 5.1 times for iPhone 11, 7 times for iPhone 8 and 4.6 times for Samsung Galaxy S10.
Speedy Charging & RefillTwo standard USB charging ports for simultaneously juicing up two phones while youre away from a plug socket, each port charges at 5V/2.1A. Also it has a Micro USB port and an USB-C port for refilling the battery packs, please keep in mind that you need a 5V/2A plug so you can fully recharge them in only 9 hrs.
Widely Compatible Able to charge up most modern phones and tablets as well. But please know that only micro USB cables are provided to recharge the power banks and some Android phones. To charge other phones, please use your own phone cables.
Quality Certificated ChargersYou can bring them with you just about everywhere, even on airplane, to plug in when necessary, keeping your device going when your battery icon starts to dip in the red. With CE, FC, RoSH certificated, you can always trust them to power your daily routine.
What You Get2*20000mAh Portable Charger; 2*Micro USB Cable; 1*User Manual.We provide 24*7 friendly customer support and also back our products for 18 months.

10. Power Bank Portable Charger 26800mAh Portable Phone Charger with Dual Ports Output,Phone Battery Backup with Visible LED Display External Charger for iPhone,Samsung Galaxy,iPad and More.

Feature

A must have on the go:26800mAh High Capacity power bank portable charger is perfect for Vacations,Business trip,Camping,Hiking,no need to worry about lost contact with anyone due to the low battery of phone.It's a little bit heavy only because the weight match the long lasting true capacity.
Airline Approved external battery backup:The rated capacity of this portable charger power bank is 26800mAh/99.16Wh,it is under 100Wh,so you are free to take it to the flight with you,but in the Carry-on luggage ONLY.
Power Bank with Dual input and Dual output:2 USB Ports output can be shared with friends or charge 2 devices at the same time. It is with 2 input options,USB Micro input and USB C input options allow you to recharge it with different cords (It only comes with a USB Micro cord).
Portable phone charger with LCD screen:The big LCD screen is more convenient than a blinking light.You will know how much juice left,so that you will know when to recharge it exactly.
Safety Lithium Polymer and Durable Battery Cell:The Lithium Polymer Cell is more safe than the other battery cell,no memory,long lasting and sturdy.

Conclusion

All above are our suggestions for back up phone charger. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using back up phone charger with us by comment in this post. Thank you!

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