The Anker PowerCore 20100 Portable Charger is a great choice for a durable and reliable portable power bank with quick charge, a must-have gadget for anyone who travels with phones, laptops or other electronic devices. And, let’s face it… these days that is almost everyone who travels! We need to stay connected—whether to friends and family or to work or other obligations—while traveling the world and we are increasingly reliant on portable chargers to keep us on the go.

As a reminder, 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%

For portable charging needs, the Anker PowerCore 20100 Portable Charger is an outstanding and favorably reviewed option. This lightweight, ultra-high capacity portable charger is equipped to charge all of your electronic devices at their fastest possible speed. This product provides long-lasting charge for many different devices and is an incredibly useful tool both for traveling abroad as well as for regular day-to-day use.

Best Anker Portable Chargers and Power Banks

  1. Anker PowerCore 10000 Portable 10000mAh Power Bank,
  2. Anker PowerCore 15000 Redux, Compact 15000mAh
  3. Anker Portable Charger, PowerCore Essential 20000mAh
  4. Portable Charger Anker PowerCore 20100mAh
  5. Anker PowerCore 26800 Portable Charger, 26800mAh
  6. Anker PowerCore+ 26800mAh
Sale
Anker PowerCore 20,100mAh Portable Charger Ultra High Capacity Power Bank with 4.8A Output and PowerIQ Technology, External Battery Pack for iPhone, iPad & Samsung Galaxy & More (Black)
44,543 Reviews
Anker PowerCore 20,100mAh Portable Charger Ultra High Capacity Power Bank with 4.8A Output and PowerIQ Technology, External Battery Pack for iPhone, iPad & Samsung Galaxy & More (Black)
  • 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 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, Lightning cable for iPhone / iPad sold separately.
Sale
Anker Portable Charger, PowerCore Essential 20000mAh Power Bank with PowerIQ Technology and USB-C (Input Only), High-Capacity External Battery Pack Compatible with iPhone, Samsung, iPad, and More.
31,964 Reviews
Anker Portable Charger, PowerCore Essential 20000mAh Power Bank with PowerIQ Technology and USB-C (Input Only), High-Capacity External Battery Pack Compatible with iPhone, Samsung, iPad, and More.
  • Ultra-High Cell Capacity: The massive 20,000mAh cell capacity provides more than 5 charges for iPhone XS, almost 5 full charges for Samsung Galaxy S10, more than 4 charges for iPhone 11, and over 2 and a half charges for iPad mini 5.
  • Advanced Charging Technology: Anker's exclusive PowerIQ and VoltageBoost technology combine to deliver an optimized charge to your devices, while the trickle-charging mode is the best way to charge low-power accessories.
  • Simultaneous Charging: Twin USB ports allow you to charge two devices at the same time. The USB-C port cannot charge other devices.
  • Versatile Recharging: With both a USB-C and Micro USB input port, you have more options over how you recharge. Recharging PowerCore with a 10W charger will take approximately 10.5 hours, while recharging with a 5W charger will take approximately 20 hours.
  • What You Get: Anker PowerCore Essential 20000, Micro USB cable, travel pouch, welcome guide, our worry-free 18-month warranty, and friendly customer service. (USB-C cable, Lightning cable, and wall charger not included)

The newest and most well reviewed Anker charger is the PowerCore 15000 Redux, Compact 15000mAh 2-Port Ultra-Portable Phone Charger Power Bank with Poweriq and Voltageboost Technology. Reviewers LOVE it, the price is amazing and it delivers 3. 5 charges to iPhone X, nearly 4 charges for Galaxy S9, or 1. 4 charges to the 11-inch iPad Pro

Anker PowerCore 15000 Redux, Compact 15000mAh 2-Port Ultra-Portable Phone Charger Power Bank with Poweriq and Voltageboost Technology for iPhone, Ipad, Samsung Galaxy, and More
3,363 Reviews
Anker PowerCore 15000 Redux, Compact 15000mAh 2-Port Ultra-Portable Phone Charger Power Bank with Poweriq and Voltageboost Technology for iPhone, Ipad, Samsung Galaxy, and More
  • The Anker Advantage: Join the 50 million+ powered by our leading technology.
  • Hours of power: packed with the power to deliver 3. 5 charges to iPhone X, nearly 4 charges for Galaxy S9, or 1. 4 charges to the 11-inch iPad Pro 2018.
  • High-speed charging: Anker exclusive power and Voltage Boost combine to deliver the fastest possible charge for any device. Qualcomm Quick Charge not supported.
  • Certified safe: Anker Multipotent safety system provides superior protection for you and your devices.
  • What you get: Power core 15000 redox portable charger, Micro USB cable (USB-C cable and Lightning cable not included), travel pouch, welcome guide, our worry-free 18-month, and customer service.

I use the Anker PowerCore 13000, Compact 13000mAh 2-Port Ultra-Portable Phone Charger Power Bank, which is very lightweight. Like most of these chargers, it takes way too long to charge ( pretty much all night) so you really have to think in advance if you want your battery pack fully charged. Luckily, I only need to charge it 1-2x per week. The 13000 weighs 8.5 oz (vs the 20100 weights 12.5 oz).

If you’re looking for the Daddy of all chargers, check out the Anker PowerCore+ 26800mAh PD 45W with 60W PD Charger, Power Delivery Portable Charger Bundle for USB C MacBook Air/Pro/Dell XPS, iPad Pro 2018, iPhone 12 / Mini / 11/ Pro / XS Max / X / 8, and More. You might be able to go an entire week without electricity with this charger.

Sale
Anker PowerCore+ 26800mAh PD 45W with 60W PD Charger, Power Delivery Portable Charger Bundle for USB C MacBook Air/Pro/Dell XPS, iPad Pro 2018, iPhone 12 / Mini / 11/ Pro / XS Max / X / 8, and More
1,784 Reviews
Anker PowerCore+ 26800mAh PD 45W with 60W PD Charger, Power Delivery Portable Charger Bundle for USB C MacBook Air/Pro/Dell XPS, iPad Pro 2018, iPhone 12 / Mini / 11/ Pro / XS Max / X / 8, and More
  • The Anker Advantage: Join the 50 million+ powered by America's leading USB charging brand.
  • Huge Charging Power: A 45W USB-C port provides enough power to charge a laptop at full speed, while two 15W USB ports provide optimized charging to phones, tablets, and more.
  • Colossal Cell Capacity: With a massive 26800mAh cell capacity, you can charge an iPhone X 6 times, a Galaxy S9 5 and a half times, or provide a full charge to a 13-inch MacBook Pro or Dell XPS 13.
  • Rapid Recharge: Use the included wall charger to recharge your PowerCore in less than 3 and a half hours via the USB-C Power Delivery port.
  • What You Get: PowerCore+ 26800 PD, 60W USB-C wall charger, USB-C to USB-C cable, travel pouch, welcome guide, our worry-free 18-month warranty, and friendly customer service.

Anker Portable Phone Charger Best Sellers on Amazon

SaleBestseller No. 1
Anker Portable Charger, PowerCore Essential 20000mAh Power Bank with PowerIQ Technology and USB-C (Input Only), High-Capacity External Battery Pack Compatible with iPhone, Samsung, iPad, and More.
31,964 Reviews
Anker Portable Charger, PowerCore Essential 20000mAh Power Bank with PowerIQ Technology and USB-C (Input Only), High-Capacity External Battery Pack Compatible with iPhone, Samsung, iPad, and More.
  • Ultra-High Cell Capacity: The massive 20,000mAh cell capacity provides more than 5 charges for iPhone XS, almost 5 full charges for Samsung Galaxy S10, more than 4 charges for iPhone 11, and over 2 and a half charges for iPad mini 5.
  • Advanced Charging Technology: Anker's exclusive PowerIQ and VoltageBoost technology combine to deliver an optimized charge to your devices, while the trickle-charging mode is the best way to charge low-power accessories.
  • Simultaneous Charging: Twin USB ports allow you to charge two devices at the same time. The USB-C port cannot charge other devices.
  • Versatile Recharging: With both a USB-C and Micro USB input port, you have more options over how you recharge. Recharging PowerCore with a 10W charger will take approximately 10.5 hours, while recharging with a 5W charger will take approximately 20 hours.
  • What You Get: Anker PowerCore Essential 20000, Micro USB cable, travel pouch, welcome guide, our worry-free 18-month warranty, and friendly customer service. (USB-C cable, Lightning cable, and wall charger not included)
Bestseller No. 2
Anker Portable Charger, PowerCore Slim 10000 Power Bank, Compact 10000mAh External Battery, High-Speed PowerIQ Charging Technology for iPhone, Samsung Galaxy and More (USB-C Input Only)
14,402 Reviews
Anker Portable Charger, PowerCore Slim 10000 Power Bank, Compact 10000mAh External Battery, High-Speed PowerIQ Charging Technology for iPhone, Samsung Galaxy and More (USB-C Input Only)
  • Slim Size, Big Power: One of the slimmest and lightest 10000 mAh portable chargers on the market. Provides 2.6 charges for iPhone XS, 1.8 full charges for Galaxy S10 and 1.3 charges for iPad mini 5.
  • Versatile Charging: Anker's exclusive PowerIQ and VoltageBoost technology combine to deliver the fastest possible charge for any device, while the trickle-charging mode is the best way to charge low-power devices.
  • Certified Safe: MultiProtect is Anker’s 11-point safety system, providing superior protection for you and your devices.
  • Quality Throughout: With a sleek matte exterior and cool-blue LED light to report battery level, PowerCore Slim 10000 is premium both inside and out.
  • What You Get: PowerCore Slim 10000 portable charger, Micro USB cable (USB-C cable and Lightning cable not included), travel pouch, welcome guide, our worry-free 18-month warranty, and friendly customer service.
SaleBestseller No. 3
Anker PowerCore 26800 Portable Charger, 26800mAh External Battery with Dual Input Port and Double-Speed Recharging, 3 USB Ports for iPhone, iPad, Samsung Galaxy, Android and Other Smart Devices
24,635 Reviews
Anker PowerCore 26800 Portable Charger, 26800mAh External Battery with Dual Input Port and Double-Speed Recharging, 3 USB Ports for iPhone, iPad, Samsung Galaxy, Android and Other Smart Devices
  • The Anker Advantage: Join the 50 million+ powered by our leading technology.
  • Colossal capacity: 26800mAh of power charges most phones over 6 times, tablets at least 2 times and any other USB device multiple times.
  • High-Speed Charging: 3 USB output ports equipped with Anker's PowerIQ and Voltage Boost technology ensure high-speed charging for three devices—simultaneously (Not compatible with Qualcomm Quick Charge).
  • Recharge 2X Faster: Dual Micro USB (20W) input offers recharge speeds up to twice as fast as standard portable chargers—a full recharge takes just over 6 hours while using both input ports (wall charger not included).
  • What you get: Power core 26800, 2X Micro USB cable, Travel Pouch, welcome guide, our worry-free 18-month and friendly customer service. Usb-c cable and Lightning cable for iPhone/ iPad sold separately.
Bestseller No. 4
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.
56,258 Reviews
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.
  • The Anker Advantage: Join the 50 million+ powered by our leading technology.
  • Remarkably Compact: One of the smallest and lightest 10,000mAh portable chargers. Provides almost three-and-a-half iPhone 8 charges or two-and-a-half Galaxy S8 charges.
  • High-Speed Charging: 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
Bestseller No. 5
Anker PowerCore 5000 Portable Charger, Ultra-Compact 5000mAh External Battery with Fast-Charging Technology, Power Bank for iPhone, iPad, Samsung Galaxy and More
25,418 Reviews
Anker PowerCore 5000 Portable Charger, Ultra-Compact 5000mAh External Battery with Fast-Charging Technology, Power Bank for iPhone, iPad, Samsung Galaxy and More
  • The Anker Advantage: Join the 50 million+ powered by America's leading USB charging brand.
  • High Capacity: Contains 5000 mAh of power. Enough to provide over an entire replacement charge for iPhone X and Samsung Galaxy S9, or almost 2 charges for iPhone 8.
  • Ultra-Compact: The portable charger’s remarkably small, tubular design slides easily next to your phone in any pocket or bag. Just 10cm tall and 3cm wide.
  • High-Speed Charging: Equipped with exclusive PowerIQ technology, it provides the fastest possible charge to any phone or tablet (up to 2A). Does not support Qualcomm Quick Charge.
  • What You Get: PowerCore 5000, travel pouch, Micro-USB cable, welcome guide, our worry-free 18-month warranty and friendly customer service. USB-C cable and Lightning cable for iPhone and iPad sold separately.

Anker products come equipped with Power IQ Technology. This means the portable charger intelligently identifies the connected device and then PowerIQ delivers the optimum, high-speed charge to all devices. This includes both Apple and Android phones and tablets as well as cameras, consoles, and many other electronic products.

The Anker 20100 is extremely lightweight when you consider its impressive size-to-capacity ratio. A product that weighs approximately the same amount as a can of soup (12.5 oz) can charge the iPhone 6s up to seven times, the Galaxy S6 up to five times or the iPad mini 4 twice.

Additionally, the Anker 20100 boasts surge protection, short circuit protection, and more advanced safety features to protect all of your electronic devices. It comes in a black or white matte finish that doesn’t show smudges or fingerprints and includes Smart technology that determines when charging output is encountering cable resistance. By compensating for this resistance, VoltageBoost ensures the charging speeds are unaffected by the use of long or old cables.

Anker PowerCore 20100 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. It should be noted that the lightning cable for use with an iPhone or iPad must be purchased separately. Additionally, Anker offers outstanding customer service for assistance with all of their products, which are enjoyed by 10 million+ users.

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Product Specifications for the Anker PowerCore 20100 Portable Charger

  • Charging Technology: Power IQ
  • iPhone 6s charges: 7.3
  • iPad Mini 4 charges: 2.5
  • Samsung 6s charges: 5.2
  • USB charging ports: 2
  • Output: 5V 4.8A (2.4A max per port)
  • Max input: 2A
  • Size: 6.5 x 2.3 x 0.9in
  • Weight: 356g/12.56oz
  • Batteries: 1 Lithium Polymer batteries required

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Pros – Anker PowerCore 20100 Portable Charger

Anker products have been reviewed favorably by many users, including frequent travelers and digital nomads, and we’ll highlight some of the “user pros” here.

  • The Anker 20100 comes with a USB cable and you plug it into any USB port to charge.
  • The Anker 20100 works with both Android and iPhone devices.
  • A lighted display area on the device informs the user of the approximate amount of battery left (there are four lights, so the display is in approximate increments of 25%).
  • Users note the Anker 20100 typically charges devices faster than a car charger.
  • The ability to charge two devices at once (and indeed numerous times over) is a huge convenience for Anker 20100 users.
  • The impressive speed is cited by users; for example, one user noted his iPhone 7 could be fully charged in only 30–35 minutes (or 45 minutes if in use).
  • Another user noted the Anker provides plenty of charging power for both the iPad and iPhone 7 Plus, even when used at maximum brightness.
  • The carry case and build quality are consistently cited as outstanding features by users.
  • The product is a favorite for hikers, bikers, and travelers who need long-lasting charging capabilities in a lightweight and durable format.

Cons – Anker PowerCore 20100 Portable Charger

There are a few “cons” that are frequently reported with the Anker 20100, which are as follows:

  • The charge time for the device is a common complaint among users. Some report that the device may take a full day or longer to charge (though most users try to charge their devices during sleeping hours in order to minimize this inconvenience).
  • Some Anker 20100 users report that the weight of the product can be a bit heavy for “pocket carry” or daily use, suggesting it is better suited for long trips only. (Again, this should be taken in context with the Anker 20100’s impressive size-to-capacity ratio. Many users understand that the device is still relatively lightweight when you consider just how powerful and long-lasting its charging capabilities are.)
  • Some users report their Anker 20100 portable chargers stopped working (or worked at slower charging speeds) anywhere from a few months to one year after the initial purchase.
  • While the Anker 20100 works with most USB-charged devices, it does not work for the iPod nano, iPod Classic, HP TouchPad, Dell Venue 11 Pro, Asus tablets and some GPS and Bluetooth devices.

Anker customer service works hard to ensure customer satisfaction and can be counted on to replace defective products and address other consumer concerns. When and where users have reported defective or malfunctioning products, Anker will promptly replace the products. Even users who have experienced a defective or malfunctioning product have often remained loyal to Anker because of their outstanding customer service and willingness to address any problems quickly and ensure the customer is satisfied.

Because there is always a risk for a defective product—from any manufacturer—it is a good idea to purchase and test a portable charger well in advance of a trip, to sort out any issues or problems beforehand. An Anker 20100 portable charger should certainly be considered when planning travel and it may be your best bet for portable charging needs as you hike, bike, explore, and sightsee in destinations far and wide.

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Anker PowerCore 20100 Portable Charger Video

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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.

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
44,543 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.

Hokonui Wireless Portable Charger

Hokonui Wireless Portable Charger is a top Amazon choice with rave reviews by most customers, many of whom claim it is the best portable charger they've ever used. Charge up to 4 Devices at once, supports fast charging on phones with the feature, charges itself quickly, in 4-5 hours, which is super fast compared to most other portable batteries.

Read our review: Hokonui Wireless Portable Charger

SaleBestseller No. 1
Portable Charger Power Bank, Hokonui 20000mAh External Battery Packs Quick Charge 3.0 with 3 Inputs & 3 Outputs Compatible for iPhone, Samsung Galaxy S9 Plus/S9/S8 Plus/S8, iPad and More 5647470064
405 Reviews
Portable Charger Power Bank, Hokonui 20000mAh External Battery Packs Quick Charge 3.0 with 3 Inputs & 3 Outputs Compatible for iPhone, Samsung Galaxy S9 Plus/S9/S8 Plus/S8, iPad and More 5647470064
  • 3A Charging Charge compatible devices at high speed with 5V 3A output, charge 3 USB-A devices simultaneously. Recharge your portable charger via Lightning USB-C or Micro USB, no more extra usb cables you have to carry, charge your device and recharge the power bank just by using 1 usb cable.
  • Large Capacity: 20000mAh of power charges iPhone XS Max almost 6 times, Samsung Galaxy S9 almost 5. 5 times, iPad Mini at least 3. 5 times and any other USB devices multiple times.
  • Strong Compatibility: Compatible with all 5V USB-powered devices including iPhone X/XR/XS/XS Max, iPhone 8/8 Plus/7/7Plus, Galaxy S9 Plus/S9/ S8 Plus/ S8, iPad, Nintendo Switch and other iOS and Android devices.
  • Smart and Safe: Stop charging when the device is full charged, prevent over-charging, overheat, short circuit and extend the service life of your phone. Led display will show the remaining power and will let you know when you should recharge it or when it is fully recharged.
  • 1 Year Time : 12 months quality assurance, New Replacement or Refund without Return in 30 days. We are committed to improving product quality and reducing product defects. If there is any quality problem, please feel free to contact us, we will do our best to providing you a pleasant shopping experience


Amazon Portable Phone Charger Best Sellers

Bestseller No. 1
INIU Portable Charger, USB C Slimmest & Lightest Triple 3A High-Speed 10000mAh Power Bank, Flashlight Battery Pack Compatible with iPhone 12 11 X 8 Plus Samsung S20 Google LG iPad etc. [2021 Version]
47,333 Reviews
INIU Portable Charger, USB C Slimmest & Lightest Triple 3A High-Speed 10000mAh Power Bank, Flashlight Battery Pack Compatible with iPhone 12 11 X 8 Plus Samsung S20 Google LG iPad etc. [2021 Version]
  • ✅【INIU’s Confidence】At INIU, we use only the highest-grade materials, so we do have the confidence to provide industry-leading 3 years warranty.
  • ✅【High-efficiency USB C】Equipped with the latest worldwide USB C charging standard, working as both input and output to not only let you fast refuel the charger, but perfectly fit your newest iPhone, Android and all upcoming USB C devices.
  • ✅【Triple 3A High-speed Charging】Outpace 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 Slim 10000mAh】The thinnest 10000mAh power bank on the market, easily slips it into any of your pockets or bags. Enjoy the days’ worth of charging capacity, enough to top up iPhone 8 3.6 times, Samsung S8 2.3 times or iPad Air once.
  • ✅【Even Wider Compatibility】Unlike the market’s most power banks incapable of charging low-current accessories, INIU portable charger can work with not only all the phones, tablets but your smaller devices like AirPods, Bluetooth headphones, fitness trackers, smart watches, etc.
Bestseller No. 2
Portable Charger Power Bank 25800mAh, Ultra-High Capacity Fast Phone Charging with Newest Intelligent Controlling IC, 2 USB Port External Cell Phone Battery Pack Compatible with iPhone,Android etc
12,147 Reviews
Portable Charger Power Bank 25800mAh, Ultra-High Capacity Fast Phone Charging with Newest Intelligent Controlling IC, 2 USB Port External Cell Phone Battery Pack Compatible with iPhone,Android etc
  • 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 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 Support Services -- Ekrist 25800mAh portable battery charger, Micro USB cables, user manuals. Together 2 Years friendly, easy-to-reach support! Any question, please kindly contact us.
Bestseller No. 3
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 …
29,752 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 2.1A. 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; 1 * User Manual. We provide 24*7 friendly customer support and also back our products for 18 months.
Bestseller No. 4
2-Pack Miady 15000mAh Portable Charger, Power Bank/w Two 5V/2A USB Output Ports and USB C Fast Input, Portable Phone Charger Compatible with iPhones, Android Smartphones and More
1,035 Reviews
2-Pack Miady 15000mAh Portable Charger, Power Bank/w Two 5V/2A USB Output Ports and USB C Fast Input, Portable Phone Charger Compatible with iPhones, Android Smartphones and More
  • 【Plenty of Capacity】With 15000mAh power capacity, an iPhone 11 can be charged to its full power 3.4 times, or a high capacity smartphone such as Samsung Galaxy S20 can be charged to its full power about 2.6 times. You can also plug in two smartphones for simultaneously juicing up.
  • 【Easy to Use】These power banks are smart enough to start/stop charging when a phone is connected/disconnected. With four LEDs denoting its remaining capacity, each indicates 0-25% capacity. You can check the power capacity by simply tapping the button.
  • 【Portable Insurance Package】Despite the huge capacity, these portable phone chargers still provide a great portable experience. Rectangular but slim, at 6 x 2.9 x 0.73 in, and it weighs just 11.6 oz making it a favorite for travel. You could benefit from these power banks on every road trip.
  • 【Safety Guaranteed】Built in high quality Li-ion battery helps to charge your phone safely and prevent over-voltage, over-charging, over-current, or short circuit, etc. Won’t get too hot or cause a lot of heat on the battery of your phone. These battery packs are also airline-approved so you can travel anywhere with them.
  • 【What You Get】2 * 15000mAh Portable Charger; 2 * Micro USB Cable; 1 * User Manual. We provide 24 * 7 friendly customer support and also back our products for 18 months. Please feel free to contact us.
Bestseller No. 5
mophie powerstation - 8,000 mAh Portable Phone Charger Power Bank for iPhone, iPad, Samsung Galaxy, Google Pixel, Universal Smartphones, Tablets and Most USB-Enabled Devices - Space Gray
  • Rechargeable 8,000Mah universal battery
  • Charge multiple devices at once by plugging one device into the USB-C port and another into the USB-A port
  • The integrated four-light LED power indicator displays charging status and the current battery life, so you always know how much power you have left
  • The lightweight, portable powerstation easily fits in your bag so you can always have a boost of power wherever you go
  • Durable, textured finish that prevents scuffs and scratches.



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Tech4Trek Discounts for Digital Nomads and Travelers

  • Note: If you join Google Fi through this link: Google Fi, we each receive $20 Fi credit.
  • ExpressVPN - use this link to sign up and we each get 30 days free!
  • Charles Schwab - pay NO fees for ATM withdrawals anywhere in the world and get reimbursed for those charged at machines. Use this link and you may get $100 when you become a Schwab client (** I don't know exactly how it works).
  • Chase Sappire Preferred Card - pay no foreign transaction fees, get 60,000 bonus points (about $750)
  • AirBnb - if you're new to AirBnb (is that even possible?), get $40 in travel credit on your first trip.