How to Choose a Power Bank for Your Phone
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How to Choose a Power Bank for Your Phone

Knowing how to choose a power bank for your phone is an important step when just leaving the house for a day, much less planning a long or overseas journey. As overseas travelers are focused on connectivity more than ever before, a reliable, affordable power bank is a must-have for anyone setting out to explore faraway lands. As you explore the various options for power banks, here are some key questions to consider when choosing a phone power bank:

  • How many devices will need a portable charge? How many ports do you need?
  • Which ports are required? USB, Type C?
  • Weight of the charger
  • Do you want a device compatible with your phones fast charge capabilities?
  • Wireless, cord, or both charging?
  • How often do you expect to be away from easily accessible power sources?
  • Do you have older devices that might present compatibility issues?
  • What is your budget?

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Phone Power Bank Charge Guidelines

Almost any device that is USB charged can be used with a portable power bank provided you remember to keep the power bank charged! Very few (as in none) portable chargers offer pass-through technology which would allow you to charge your charger while the charger is charging your devices. You must first charge your charger, and then use it to charge your devices. It is best to remove the power bank from the charge as soon as it is full and most have an LED indicator to display full capacity. Some come with an “auto cutoff” feature as well.

A general guideline for the charge provided by varying mAh batteries is as follows:

  • 1500 mAh: typically one full charge of a cell phone
  • 5200 mAh: typically two full charges of a cell phone and a tablet to 50%
  • 10000 mAh: typically four full charges of a cell phone and a tablet to 100%

Higher mAh units are also available and will be more expensive, but likely beneficial to those with numerous devices to charge during travel.


Recommended Phone Power Banks & Portable Chargers

A few recommended portable power banks for travelers and some of their key features are outlined below and at Best Power Banks for Your Phone.

Amazon Wireless Phone Charger Best Sellers

SaleBestseller No. 1
TOZO W1 Wireless Charger Thin Aviation Aluminum Computer Numerical Control Technology Fast Charging Pad Black (NO AC Adapter)
68,009 Reviews
TOZO W1 Wireless Charger Thin Aviation Aluminum Computer Numerical Control Technology Fast Charging Pad Black (NO AC Adapter)
  • 【Thin and Slim】5mm thickness & 100mm width - Slimmest wireless charger. Durable Fashion Simple panel and aviation aluminum . Simple and fashion.
  • 【Safe & Reliable】Built-in over-charging, over-heating and short-circuit protection
  • 【Unclutter Your Space】Hassle free of plugs and cables and keep your desktop neat and organized. Supports fast charging (charger not included)
  • 【LED Indicator Lights】 Changing color breath LED lights. Bueatiful and lets you know when it's ready to charge, charging, and when your device is fully charged.
  • 【Support All】Supports all enabled wireless charging devices or devices with receiver such as for iPhone 13/13 mini/13 Pro/13 Pro Max/iPhone 12/12 mini/12 Pro/12 Pro Max/11/11 Pro/11 Pro Max/XS MAX/XR/XS/X/8/8 Plus/SE2/Airpod/Airpods Pro; Samsung Galaxy S20/S20+/S10/S10+/S10E/S9Galaxy Note 20/20+/10/10+/S9/S9+/S8/S8+; Google Pixel 4/4XL/3/3XL, Google Nexus 7 ; LG G7/6/6 plus/S6/S6 Edge/S6 Edge Plus/Moto Droid Turbo, Nexus 5/7/4, Nokia Lumia 1020/920/928Droid Mini and Other Enabled Phones.
SaleBestseller No. 2
SAMSUNG Wireless Charger Fast Charge Pad (2021), Universally Compatible with Qi Enabled Phones (US Version), Black
1,947 Reviews
SAMSUNG Wireless Charger Fast Charge Pad (2021), Universally Compatible with Qi Enabled Phones (US Version), Black
  • Powers your favorite devices. The Wireless Charger is compatible with both Android and Apple devices, so you can simply place and charge your phone or favorite earbuds.
  • Designed to fit your space. Simply place the Wireless Charger where you want it. With a slim, smooth and compact design, it fits even in your smaller spaces, so it's easy to access when your phone or earbuds need a little extra juice.
  • Charge fast with Fast Charging. Your device gets back to 100% quickly by harnessing up to 9W of Fast Charging support. The pad is also compatible with PD and Adaptive Fast Charging travel adapters so you don't need to wait long to get back to filming.
  • LED color during the day, dimmed at night. This Friendly LED uses color to let you know the device's charging status, while dimming at night so the light doesn't disturb your sleep.
Bestseller No. 3
Wireless Car Charger,15W Qi Fast Charging Car Charger Phone Holder Mount, Auto-Clamping Alignment Windshield Dashboard Air Vent Cell Phone Holder for iPhone 13 12 11 Pro Max XS 8, Galaxy S20/S20+ etc
1,610 Reviews
Wireless Car Charger,15W Qi Fast Charging Car Charger Phone Holder Mount, Auto-Clamping Alignment Windshield Dashboard Air Vent Cell Phone Holder for iPhone 13 12 11 Pro Max XS 8, Galaxy S20/S20+ etc
  • [Qi Wireless Car Fast Charger] Qi certificated, the 15W wireless car charger mount is for LG V50/V40/V30+/V30/V40,ThinQ G8/G8S/G7; 10W for Samsung Galaxy S20+/S20/Note 10+/Note 10/S10+/S10; 7.5W for iPhone 13 pro max/13 pro/13/12 Pro/12/11/11 Pro/11 Pro Max /SE /XS /X/XR/8 Plus/8. And other Qi-enabled cell phone with up to 5W standard charging. Note: iPhone 12 Mini is not supported.
  • [Auto-Sensing & Smart Charging] After connecting to the cable, Joyroom car phone holder mount wireless charging will automatically clamp when your phone is dropped in. A gentle touch on the 2 sides button of the car charger can make the arms open, which make your driving easier and safer. When your phone is fully charged, the wireless charging car mount will automatically power off to protect the battery of your phone.
  • [Super Stable Base] Joyroom phone mount for car wireless charger's base is equipped with a powerful suction cup and professional 3M adhesive (high temperature resistant). The base's suction cup has been tested thousands of times, it can absorb more than 20 pounds of objects without dropping. Even if passing speed bumps or driving on mountain roads, you don’t need to worry about it falling. In addition, the bracket arm and clip are equipped with silicone pads for anti-slip and anti-vibration.
  • [Flexible Angle & Case Friendly] With retractable & foldable bracket and 360° rotatable head, it never block your driving sight, you can adjust it to a position that makes you comfortable. Joyroom car mount wireless charger supports charging through phone cases up to 4mm thick. Please note that cases made of metal, external attachments such as magnets, credit cards, grips, and stands will interfere with charging.
  • [2 In 1 Design] Combines the wireless phone charger & car phone mount, allows for a secure hands-free experience. Keep you away from the tangled locating cords or cables. Joyroom car phone holder mount charger is suitable for Windshield, Dashboard, Air Vent installation, and makes GPS and phone call more convenient
SaleBestseller No. 4
Wireless Charger YUWISS Wireless Charging Stand Cordless Charger Qi-Certified 10/7.5/5W Compatible with iPhone 11/11Pro/11Pro Max/XR/XS Max/XS/X/8/8Plus, Galaxy S10/S9/S9+/S8/S8+, Note 10/9/8
7,033 Reviews
Wireless Charger YUWISS Wireless Charging Stand Cordless Charger Qi-Certified 10/7.5/5W Compatible with iPhone 11/11Pro/11Pro Max/XR/XS Max/XS/X/8/8Plus, Galaxy S10/S9/S9+/S8/S8+, Note 10/9/8
  • 【LATEST Qi WIRELESS TECHNOLOGY】Adopting the premium components, no need to peel off the phone`s case before charging, YUWISS Z23 wireless charger works with most kinds of cases which are within 5mm/0.19 inch such as rubber case, hybrid case, plastic/TPU/PC cases, etc. (MAGNETIC & METAL ATTACHMENTS AND OTHER FOREIGNOBJECT WILL INTERFERE WITH CHARGING.) You`re free to enjoy this wireless and limitless charging experience.
  • 【FAST CHARGING FOR SMART PHONE】7.5W wireless fast charging for iPhone 11 / 11 pro / 11 pro max / XS MAX / XR / XS/ X / 8 / 8 Plus is enabled in the latest iOS version, 1.5X faster than standard wireless chargers. 10W wireless charging stand for Samsung Galaxy S10 / S10+ / S10E / S9+ / S8 / S8+ / S7 / S7 Edge/NOTE 8, 2X faster than standard wireless chargers. *Requires QC3.0 adapter (5V-2A, 9V-1.67A) (ADAPTER NOT INCLUDED IN THE PACKAGE)
  • 【VERTICAL & HORIZONTAL CHARGING】With an LED in the front that lights up when you're charging your phone, this wireless charger stand touts anti-slip bars and sleek design, In addition to the ability to charge your phone horizontally or vertically, whichever provides a perfect view angle for your eyes, no matter you watch movies, listen to music, make calls or send the message without interruption during the whole charging process.
  • 【SAFER CHARGING & MUILT-PROTECTION】Using highly efficient components and an advanced chipset, charging intelligently, Qi & UL Certified, integrated smart chip inside it. Exclusive Multi-functional Intelligent Protect Technology provides iPhone wireless charger temperature control, over-current protection, over-voltage protection, and more.
  • 【PACKAGE】You will get a Yuwiss wireless iPhone charger, built-in 5 feet USB Cable. Any concerns please don`t hesitate to contact us. We will offer a satisfied solution for you.
Bestseller No. 5
Yootech Wireless Charger,10W Max Fast Wireless Charging Pad Compatible with iPhone 13/13 Pro/13 Mini/13 Pro Max/SE 2022/12/SE 2020/11/X/8,Samsung Galaxy S22/S21/S20/S10,AirPods Pro(No AC Adapter)
145,100 Reviews
Yootech Wireless Charger,10W Max Fast Wireless Charging Pad Compatible with iPhone 13/13 Pro/13 Mini/13 Pro Max/SE 2022/12/SE 2020/11/X/8,Samsung Galaxy S22/S21/S20/S10,AirPods Pro(No AC Adapter)
  • 【3 Charging modes Available for Different Phones】7.5W charging mode is for iPhone 13/13 Pro/13 Mini/13 Pro Max/12/SE 2020/11/XS/XR/X/8 with latest iOS System; 10W charging mode is compatible with S22/S22 Ultra/S21/S20/Note 10/S10/S10E and so on; 5W charging mode works on Any wireless-charging-enabled devices like Google Pixel 3/3XL/4XL and other wireless-charging-enabled phones. Note: Adapter is Not Included, QC 2.0/3.0 adapter will be highly recommended.
  • 【Unique Design Perfect for AirPods】 It is compatible with AirPods (with wireless charging case) and AirPods Pro. The size of the AirPods fits perfectly into the charging area of the wireless charging pad, perfect wireless charging companion for AirPods, easier to find the “Sweet Spot”. Also, both top and bottom have a rubber ring, will keep your AirPods in place and prevent slippage.
  • 【Safer and Easier to USE】Exclusive Multifunctional Intelligent Protect Technology provides temperature control, surge protection, short-circuit prevention. Besides that, this wireless chargers is made of ABS Material which is fire-resistant, and has a UL Certificate, you can purchase it at assurance. Double guarantee and dual safety provide you safety experience. To get better experience, we would like you to take off the phone case and use the adapters recommended (NOT INCLUDED).
  • 【More User-friendly Design】SLEEP-FRIENDLY DESIGN. The GREEN LED Indicator will flash for 3s if power source is connected, then turn on for 16s if recognizes your phone well. Entering charging mode, light will turn off and keep the whole charging process SLEEP-FRIENDLY.
  • 【PACKAGE & SERVICE】You will get 1 x Wireless Charging Pad, 1 x 3. 3ft USB Type C Cable, 1 x User Manner and reliable 12-hour response service. At Yootech, zero risk purchase is for every customer's smiles.


Amazon Portable Phone Charger Best Sellers

Bestseller No. 1
2-Pack Miady 10000mAh Dual USB Portable Charger, Fast Charging Power Bank with USB C Input, Backup Charger for iPhone X, Galaxy S9, Pixel 3 and etc …
62,114 Reviews
2-Pack Miady 10000mAh Dual USB Portable Charger, Fast Charging Power Bank with USB C Input, Backup Charger for iPhone X, Galaxy S9, Pixel 3 and etc …
  • 【2-Pack 10000mAh Power Bank】Two 10000mAh battery packs not only for portable charging but also around the home. Allowing you charge mobile devices without having to be tethered to a plug socket. Each of them fully charges 2.4 times for iPhone X, 3.6 times for iPhone 8 and 2.2 times for Samsung Galaxy S9.
  • 【Dual Output & Input】Each has 2 USB output ports that detect all the connected devices and efficiently distributes the current output up to 5V 2.4A. The USB C and Micro USB ports can fully refill the battery itself in 5 hrs at 5V 2.0A.
  • 【Reliable Li-polymer Cell】Thanks to the Li-polymer battery pack, the charger is much safer than any Li-ion charger. Also, it's lighter and slimer that you can easily carry it around, even on airplanes.
  • 【Small & Slim】It feels incredibly compact for a 10000mAh power bank, weighing just 218g and only 14mm thick. Grippy design is easy to hold, easy to toss into a bag and incredibly portable.
  • 【What You Get】2 * Miady 10000mAh USB Portable Charger (White & Black); 2 * USB Cable (Lightning cable is not included)); 1 * User Manual. We provide 24*7 friendly customer support and also back our products for 18 months.
Bestseller No. 2
Anker Portable Charger, 313 Power Bank (PowerCore Slim 10K) 10000mAh Battery Pack with High-Speed PowerIQ Charging Technology and USB-C (Input Only) for iPhone, Samsung Galaxy, and More
51,707 Reviews
Anker Portable Charger, 313 Power Bank (PowerCore Slim 10K) 10000mAh Battery Pack with High-Speed PowerIQ Charging Technology and USB-C (Input Only) for iPhone, Samsung Galaxy, and More
  • Quality Throughout:Built adventure-tier touch with superior durability and scratch resistance, PowerCore Slim 10000 is premium both inside and out.
  • Slim Size, Big Power:One of the slimmest and lightest 10,000mAh portable chargers on the market. Provides 2.25 charges for iPhone 12, 1.6 charges for Galaxy S20 and 1.2 charges for iPad mini 5.
  • Versatile Charging: Anker's exclusive PowerIQ and VoltageBoost technology combine to detect and deliver a tailored charge up to 12W, while the trickle-charging mode is the best way to charge low-power devices.
  • Superior Safety:Anker’s comprehensive MultiProtect safety system includes overcharge protection, short circuit protection, temperature control, and more.
  • What You Get: PowerCore Slim 10000 portable charger, Micro USB cable (USB-C cable and Lightning cable not included), travel pouch, welcome guide, lifetime* $25,000 connected equipment warranty, and friendly customer service. *For the purpose of this connected equipment warranty, "lifetime" is defined as the lifetime of the product.
Bestseller No. 3
Portable Charger Power Bank 26800mAh,Ultra-High Capacity Fast Phone Charging with Newest Intelligent Controlling IC,High-Capacity External Battery Pack Compatible with iPhone Samsung LG iPad etc
1,013 Reviews
Portable Charger Power Bank 26800mAh,Ultra-High Capacity Fast Phone Charging with Newest Intelligent Controlling IC,High-Capacity External Battery Pack Compatible with iPhone Samsung LG iPad etc
  • 【Super Compatibility Design】Our portable charger is suitable for a wide range of electronic devices which have USB port,Universal compatibility with iphone (ipad and airpods) and Android smart phones, tablets, mp3/mp4 players,wireless controller and other USB-charged devices.
  • 【Super-Fast Charging Design】Fully charging the power bank takes only 8-16 hours with a 5V/2.1A charger , Built-in 4 LED indicators show the power left as 25%-50%-75%-100% and With 2 USB output ports (5 V/2.1A and 5V/1A ) portable phone charger can charge two devices at the same time, quickly providing enough power for your Phones and More.
  • 【Safe and High Quality Design】With built-in over charging, over-voltage, over temperature, over-current and short circuit protections, it'll automatically turn itself off when short circuit or overloading occurs, ensuring complete safety for you and your devices.
  • 【28600mAh High Capacity with Slim Design】Optimum size among the same capacity power bank,don't worry about hurricane season or your business trip or other outdoor activities needs.
  • 【Worry-Free Warranty】30 Days Money Back Guarantee and 18-Months Warranty.If you have any questions, please feel free to contact us.
SaleBestseller No. 4
iWALK Small Portable Charger 4500mAh Ultra-Compact Power Bank Cute Battery Pack Compatible with iPhone 13/13 Pro Max/12/12 Mini/12 Pro Max/11 Pro/XS Max/XR/X/8/7/6/Plus Airpods and More,White
11,589 Reviews
iWALK Small Portable Charger 4500mAh Ultra-Compact Power Bank Cute Battery Pack Compatible with iPhone 13/13 Pro Max/12/12 Mini/12 Pro Max/11 Pro/XS Max/XR/X/8/7/6/Plus Airpods and More,White
  • Fashion Design:Smooth face and better texture makes it elegant and unique.
  • Upgraded Capacity: 4500mAh is big enough to fully charge your iPhone 8 1.5 times or charge your iPhone X 1 time.
  • Upgraded built-in Lightning Cable:Supports thicker cases than last generation,no longer need to remove the case first to charge your iPhone.
  • Ultra-Compact: Size of a lipstick,not need a cord it’s easy to slip in your pocket or your purse and when you need it you have a charger right then and there.
  • You Will Get–1x Power bank,1x USB C Cable, 1x Manual.
SaleBestseller No. 5
20000mAh Portable Charger USB C 4 Outputs & 2 Inputs USB C Power Bank with Flashlight External Battery Pack Charger Type C for iPhone iPad Samsung Android - Black and Orange
4,125 Reviews
20000mAh Portable Charger USB C 4 Outputs & 2 Inputs USB C Power Bank with Flashlight External Battery Pack Charger Type C for iPhone iPad Samsung Android - Black and Orange
  • 4 Output Port: supports charging 4 devices simultaneously cell phones, speakers, earphones. Dual micro USB and USB-C port design, available Charge different devices in one power bank.
  • Type-C Input & Output: The airplane-friendly power bank recharges up to 5V/3A; power bank orange compatible with Google Pixel 2, Samsung Galaxy S8 / S8 Plus, Huawei Mate 10 Pro
  • 5 Hours Recharge: Type C + Micro input, makes you get a full 20000mah power recharge short in 5 hours. 2X is faster than a standard one
  • Additional Function: Build-in LED Flashlight (double press the power button to turn onoff)Pass-through Charging, disconnect once phones fully charged.
  • Power For Days: 20000mAh power capacity, provides more than 4 charges for iPhone 11, more than 5 charges for iPhone X, almost 5 full charges for Samsung Galaxy S10, and over 2 and a half charges for iPad mini 5.


Anker PowerCore 20100 Portable Charger

The Anker PowerCore intelligently identifies connected devices and can charge the iPhone 6s up to seven times, the Galaxy S6 up to five times, or the iPad mini 4 twice. Weighs 12.56 ounces and can simultaneously charge two devices. Comes with a portable charger, a Micro USB cable, a convenient and protective travel pouch, a welcome guide, and an 18-month warranty for users.

Read our review: Anker PowerCore 20100 Portable Charger Review

Anker PowerCore 20100mAh Portable Charger - Ultra High Cell Capacity Power Bank with 4.8A Output and PowerIQ Technology, External Battery Pack for iPhone, iPad & Samsung Galaxy & More Blue
50,237 Reviews
Anker PowerCore 20100mAh Portable Charger - Ultra High Cell Capacity Power Bank with 4.8A Output and PowerIQ Technology, External Battery Pack for iPhone, iPad & Samsung Galaxy & More Blue
  • The Anker Advantage:Join the 50 million+ powered by our leading technology.
  • Ultra-High Cell 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 and high-quality LG battery cells ensure complete protection for you and your devices.
  • What You Get:Anker PowerCore 20100 Portable Charger, Micro USB cable, travel pouch, welcome guide, our fan-favorite 18-month warranty and friendly customer service. USB-C cable and Lightning cable for iPhone/ iPad sold separately.


About How to Choose a Power Bank for Your Phone

We’ll begin by explaining how a power bank works. A portable power bank stores electrical energy supplied by an outlet and allows you to “deposit” that energy later into a mobile device. Power banks have to be charged, sometimes for a considerable period of time, but will store enough electrical energy to fully power a device several times over. It should be noted that power banks will always experience loss due to resistance, so the full capacity of the power bank is not transferred to the device, and this is a factor when we calculate and estimate how many times a particular device can be charged.

The lower the charge on your device, the more the portable power bank has to work to recharge it. So, ideally, you do not want to wait until the device is fully depleted of battery life before using a portable power bank.
Environmental conditions can affect the lifespan of a portable power bank and you should keep this in mind as you decide to invest in one. For example, if you plan to travel for long periods of time in extreme weather conditions, this may have an impact on the long-term durability of the power bank you choose.

When deciding how to choose a power bank for your phone, check your devices for their battery capacity, which is measured in milliamp hours (mAh). As long as your portable power bank exceeds the mAh number on the device, you will get a full charge out if it, if not several. Be sure to consider if you plan to charge multiple devices. If this is the case, you will need a portable power bank with more than one output to charge the devices simultaneously. Obviously, these models can be more expensive, but they can also save precious time during travel.

You will also need to check compatibility with the portable power banks to make sure your devices are included or you can compare its specs to your existing charger. You do not want to find out in the midst of travel that your cable and the power bank produce a very slow charge. Additionally, the output voltage of the power bank should be equal to or higher than your device.

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Choose a Power Bank for Your Phone

Staying in touch with friends, family or work at home is a must for many globetrotters. Technology allows us to keep our loved ones connected to our journeys and we can share thrilling moments as they happen, thanks to smartphones and tablets. Since a smartphone or tablet is only as good as its battery life in many remote locations, where power outlets aren’t readily available for a quick charge, consider learning how to choose a power bank for your phone.

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