Black 20000 mAh Power Banks

11 results
Mophie USB Power Bank for Most Smartphones, 20000mAh, Black (401108802) image 1
Item: IM19VV843
Model: 401108802

Rechargeable 20,000mAh internal battery offers enough capacity to charge a smartphone up to 4.8 full times. Multiple USB charging ports enable users to quickly charge multiple devices. Compact and reliable power solutions to charge smartphones and other USB devices when users need them most. LED power indicator displays battery levels and charge status, keeps users in the know..Portable battery is a convenient way to charge most portable devices when there is no AC outlet.Three USB Type-C and USB-A ports can recharge three devices at once.Compatible with most smartphones.Comes in black.2-year manufacturer limited warranty

Price is  $39.99
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Aluratek USB Power Bank for Most Smartphones, 20000mAh, Black (APBQ20F) image 1
Item: IM18UM170
Model: APBQ20F

Aluratek's 20,000mAh 65W Fast Charge PD Power Bank with USB Type-C utilizes the latest in lithium-ion rechargeable battery technology offering a superior power capacity to quickly recharge your portable USB devices 4x faster than regular battery chargers. Small enough to fit in your backpack or laptop bag, this portable battery charger is perfect for on-the-go charging when you don't have the convenience of an AC outlet nearby. With two USB ports, you can charge three devices simultaneously including laptops, smartphones, tablets and other USB powered devices. Includes LED charge status indicators so know how much battery power is remaining. Recharges in 4-5 hours..Portable battery is a convenient way to charge most portable devices when there is no AC outlet.Dimensions: 1"H x 2.76"W x 6.1"D.Three USB Type-C and USB-A ports can recharge three devices at once.Compatible with most smartphones.Voltage: 5 / 9 / 12 / 15 / 20V (output); max current: 3.25A.LED charging indicator shows charging status.Comes in black.1-year manufacturer limited warranty

Price is  $85.49
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Aluratek USB Power Bank for Most Smartphones, 20000mAh, Black (ASPB20KF) image 1
Item: IM16HT694
Model: ASPB20KF

Aluratek's 20000 mAh Portable Battery Charger with Qualcomm Quick Charge 3.0 utilizes advanced lithium-ion rechargeable battery technology offering extensive power capacity to quickly recharge your portable USB devices remarkably faster than regular battery chargers. Small enough to fit in your backpack or laptop bag, this portable power bank is perfect for on-the-go charging when you don't have the convenience of an AC outlet nearby. With dual USB ports, you can charge two devices simultaneously including smartphones, tablets and other USB powered devices. Includes LED charge status indicators so know how much battery power is remaining..Portable battery is a convenient way to charge most portable devices when there is no AC outlet.Dimensions: 0.8"H x 5.24"W x 2.5"D.Two USB-A ports can recharge two devices at once.Compatible with most smartphones.Voltage: 5 / 9 / 12V (output); max current: 3A.LED charging indicator shows charging status.Comes in black.1-year manufacturer limited warranty

Price is  $49.61
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Belkin USB-A/USB-C Power Bank, 15W, 20000 mAh, Black (BPB012BTBK) image 1
Item: 24516950
Model: BPB012BTBK

The Belkin USB-A/USB-C Power Bank delivers 15W charging power and features a 20000mAh battery, providing extended power for smartphones, tablets, and other devices. Designed with dual USB-C and USB-A ports, it allows for simultaneous charging of multiple devices, making it ideal for travel, work, or everyday use. Its slim and portable design ensures easy storage, while the durable black finish offers a sleek and modern look. With up to 78 hours of additional battery life, this power bank keeps you connected when you need it most..Convenient way to charge most portable devices when there is no AC outlet.Dimensions: 1.01"H x 3.98"W x 7.14"D.Equipped with one USB Type-C and two USB Type-A ports.Compatible with most smartphones and USB-powered devices.Comes in black.Safety Data Sheet

Price is  $39.95
Next-Day Delivery by tomorrow
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CODi USB-A/USB-C Power Bank, 65W, 20000 mAh, Black (PB020-CA) image 1
Item: IM1NP1438
Model: PB020-CA

This ultra-portable power bank is engineered to provide a fast charge to your laptop, tablet, headphones, cameras and other rechargeable electronic devices that use a power cord compatible with the power bank's output connections. With a capacity of 20,000mAh, this power bank provides fast and reliable charging making it perfect for travel..Slim, stylish, and portable 20000mAh power bank.Perfect for charging laptops, phones, cameras, and more on-the-go.Charges multiple devices at once.Safe and reliable charging.Temperature regulated for safe charging and storage.LCD digital display for battery status.(1) USB-C input/output port.(1) USB-A output port

Price is  $97.49
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Belkin Gaming USB-C Power Bank, 30W, 20000mAh, Black (ENA013FQBK) image 1
Item: IM1VK5524
Model: ENA013FQBK

Keep your Nintendo Switch 2 charged anywhere you game. With a built-in USB-C cable, 30W fast charging and triple device support, you’ll never have to pause mid-game to refuel. Charge Nintendo Switch 2 up to 3X with this safe and travel ready power bank. This 20,000mAh power bank keeps your Nintendo Switch 2 charged during long gaming sessions; charge your gaming device up to 3 times on one full charge of the battery pack. Our Portable Power Bank 20K includes a convenient integrated USB C cable that will fast charge your Nintendo Switch 2 up to 30W, perfect for travel, commutes, or extended playtime. With a built-in USB-C cable, a USB-A port, and a USB-C port, you can simultaneously charge 3 devices with 30W shared output. Ensure your Switch 2, smartphone, and tablet have power no matter where you are. With universal compatibility, this Belkin portable charger has a powerful 30W output, letting you fast charge your Swith 2, smartphone, tablet, watch, even select laptops up to 30W. A 20,000mAh cell capacity keeps your devices powered longer, ensuring you stay connected and entertained on the go. You can also charge an iPhone 16 Pro from 0-50% in just 25 minutes..A high-capacity 20,000mAh portable power bank with an integrated USB-C cable, designed for fast charging your Nintendo Switch 2 and other devices on the go. Perfect for travel, commutes, and extended gaming sessions.Optimized for Nintendo Switch 2 but also works with smartphones, tablets, and other USB-C PD-enabled devices.Features an integrated USB-C cable for direct charging, plus 1 USB-C port and 1 USB-A port for additional devices.Delivers up to 30W total output for fast charging multiple devices simultaneously.Supports Power Delivery (PD) for rapid charging and includes Belkin SmartProtect technology for safe, reliable performance.20,000mAh capacity that is enough to charge Nintendo Switch 2 up to 3 times on a single charge.Available in sleek Black for a modern, premium look.Air travel-friendly and compliant with TSA guidelines, made with 75% recycled materials and packaged in 100% plastic-free packaging.Includes a 2-year Belkin warranty plus $2,500 Connected Equipment Warranty for added peace of mind

Price is  $59.49
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Omnicharge USB Power Bank Charging Station for Most Smartphones, 20400mAh, Black (OP2HA004) image 1
Item: 24411279
Model: OP2HA004

The OMNI20+ is a powerbank that can intelligently power most devices all at the same time. Equipped with a high-powered USB-C port, an AC outlet, and fast, seamless wireless charging, it is the perfect power companion for the modern day digital nomad..Power bank charging station is a reliable power solution to charge your devices when you need them most.Dimensions: 1.06"H x 5"W x 4.8"D.Features barrel 2.1mm and USB-C on the first end and power DC jack 2.1 mm, USB-A, USB-C, and power DC jack 5.5mm (ID: 2.1 mm) on the second end connectors.Compatible with most smartphones.Voltage: 20V (input); power: 100W.Comes in black.1-year manufacturer limited warranty.Certifications & Standards: FCC, RoHS

Price is  $243.49
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Lenovo Go USB-C Laptop Power Bank, 20000 mAh (40ALLG2WWW) image 1
Item: IM19DF611
Model: 40ALLG2WWW

The Lenovo Go USB-C Laptop Power Bank (20000 mAh) is a game-changing solution for remote workers who need access to a large reserve of power for their USB-C laptops and devices to achieve peak productivity. With a whopping 20,000 mAh capacity, you can rapidly charge multiple devices even while you are recharging the power bank..Dual USB-C connection, 1 x USB-C port + 1 x USB-C integrated cable.USB-C charging support power-in and power-out.1 x USB-A fast charging up to 18W.Fast charge with any USB-C adapter, fully charged in 3 hours.Simultaneously charging up to 3 devices.Supports pass-through charging.Compatible with any PD 3.0 devices.Built-in overcharge and safety protection.Color: Thunder Black.Material: Plastic.Safety Data Sheet.20,000mAh capacity, 65W max. output

Price is  $159.49
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cellhelmet USB-A/USB-C Power Bank for Multiple Brands, 20W, 20000mAh, Black (PP-224) image 1
Item: 24630743
Model: CHELPP224

Travel stress-free and power up on the go. Charge your devices on the go with the cellhelmet 20,000-mAh Portable Power Bank. Featuring 20-watt max output and dual USB-C and USB-A ports, it offers fast, efficient charging for smartphones, tablets, and more. It is compact, portable, and universally compatible with advanced safety features..Ultra-high capacity - 20,000-mAh battery provides extended power, charging most devices multiple times.Fast charging power - delivers up to 20-watt output for quick charging, minimizing downtime for your devices.Dual charging ports - equipped with both USB-C and USB-A ports, enabling efficient charging of 2 devices simultaneously.Travel-ready design - compact and durable, making it an ideal choice for extended trips or daily carry.Includes charging cord.Safety Data Sheet

Price is  $48.99
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4XEM USB Wireless Charger for Most Smartphones, 20000mAh, Black (4XSOLARPWRBK) image 1
Item: IM19GL937
Model: 4XSOLARPWRBK

Containing a 20000mAh (milliamp hour) lithium-polymer power bank, the 4XEM Solar Charger charges all your Apple, Samsung, LG, Huawei and other mobile devices via solar energy or its USB ports. Your 20000mAh solar charger comes with 6 mobile device connectors, a charging cable and built-in LED flashlight. The 4XEM Solar Charger is compatible with most Nokia, Samsung, LG, Palm, Blackberry, Apple iPhone, iPod, iPad, Motorola, Sony, Bluetooth, GPS, various digital cameras, PSP, various eBooks, tablets, Nintendo DS, Kindle, and other devices. Use the sun's rays to charge your mobile devices when a wall outlet or USB power source are not available. Great for travelling, perfect for the outdoors! When charging or transferring data to and from any mobile device, always trust 4XEM Connectivity..Wireless charger is a reliable power solution to charge your devices when you need them most.Dimensions: 0.83"H x 3.35"W x 6.5"D.Features USB Type-C and Micro USB on the first end and USB-A and USB Type-C on the second end connectors.Compatible with most smartphones.Meets or exceeds FCC, RoHS, and IP54 standards.Comes in black.Package includes: lanyard and carabiner clip.1-year manufacturer limited warranty

Price is  $56.49
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Alogic Roam MagSafe Wireless USB-C 6-in-1 Power Bank for Apple, 100W, 21000 mAh, Black (R20KWCPB100W) image 1
Item: IM1SR1118
Model: R20KWCPB100W

Power up your Apple devices and more with the Alogic Roam 21,000mAh 6-in-1 Power Bank. Equipped with a built-in 100W USB-C cable, MagSafe-compatible Qi2 wireless charging, and a dedicated Apple Watch charger, it delivers powerful, multi-device charging on the go. Its compact, fold-out design is airline-safe and perfect for travel. Charge up to six devices simultaneously—including laptops, phones, earbuds, and tablets—with fast, reliable power from one sleek, all-in-one solution..Wireless power bank with built-in USB-C cable and Qi2 + Apple Watch charging support.MagSafe certified and features a magnetic design that securely aligns with compatible devices for efficient wireless charging.Compatible with a wide range of devices including smartphones, tablets, laptops, earbuds, and smartwatches.Draws power via USB-C with a built-in USB-C to USB-C cable for fast input and output charging.Operates at a voltage of 5V to 20V, depending on the connected device and charging mode.Features a high-capacity 21,000mAh battery, providing ample power to charge multiple devices on the go.Comes in black.Charge your device anywhere anytime with its powerful and portable nature.Comes with a 1-year limited warranty

Price is  $155.99
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About Black 20000 mAh Power Banks

Black 20000 mAh power banks are essential portable charging solutions designed to keep your devices powered on the go. With a substantial capacity, these power banks can charge smartphones, tablets, and other USB-powered devices multiple times, making them ideal for travel, outdoor activities, or daily commutes.

These power banks combine style and functionality, often featuring sleek black designs that complement any tech accessory. Their high capacity ensures that you can stay connected without worrying about running out of battery during crucial moments.

When choosing a black 20000 mAh power bank, consider features such as multiple output ports, fast charging capabilities, and compatibility with various devices. Many models offer both USB-A and USB-C ports, allowing for versatile charging options and the ability to power multiple devices simultaneously.

Additionally, look for power banks that include safety features like overcharge protection and temperature control to ensure safe and efficient charging. A lightweight design and compact size can also enhance portability, making it easier to carry your power bank wherever you go.

What is a 20000 mAh power bank used for?

  • A 20000 mAh power bank is used to charge electronic devices such as smartphones, tablets, and other USB-powered gadgets multiple times before needing to be recharged itself. It is particularly useful for long trips or during power outages.

How many times can a 20000 mAh power bank charge a smartphone?

  • The number of charges depends on the smartphone's battery capacity, but a 20000 mAh power bank can typically charge most smartphones 4 to 6 times. This makes it a reliable option for extended use.

Are black 20000 mAh power banks safe to use?

  • Yes, most black 20000 mAh power banks are designed with safety features such as overcharge protection, short circuit prevention, and temperature control. Always choose a power bank from a reputable manufacturer to ensure safety.

Can I charge multiple devices at once with a 20000 mAh power bank?

  • Many 20000 mAh power banks come equipped with multiple output ports, allowing you to charge several devices simultaneously. This feature is particularly useful for users with multiple gadgets.

How long does it take to charge a 20000 mAh power bank?

  • The charging time for a 20000 mAh power bank varies based on the input power and the technology used. Typically, it can take anywhere from 6 to 12 hours to fully charge, depending on the power source.

What devices are compatible with a 20000 mAh power bank?

  • A 20000 mAh power bank is compatible with a wide range of devices, including smartphones, tablets, Bluetooth headphones, and other USB-powered electronics. Always check the power bank's specifications for compatibility details.