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4XEM

4XEM 20000mAh Solar Power Bank

$69.99
$46.70 SAVE $23.29
28 availableas of 09/20/2026

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Should arrive by Thu, Oct 1 with free ground shipping

Compliance, certifications and origin

  • WEEE
  • RoHS
  • Origin: China
Rated excellent by our customers Read our reviews

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

Never worry about running out of battery power again with the 4XEM 20,000mAh Mobile Solar Power Bank and Charger. This cutting-edge device is designed to keep your devices powered up and ready for action, no matter where you are. With a sleek and compact design, it's the perfect companion for outdoor adventures, travel, emergencies, or simply staying connected on the go.
Equipped with a 20,000mAh rechargeable lithium-ion battery, this power bank provides ample power to charge your smartphones, tablets, cameras, and other USB-compatible devices multiple times. The 4XEM Power Bank features a USB Type-C port, two USB Type-A ports, and a Qi-compliant wireless charging coil, giving you the flexibility to charge multiple devices simultaneously. It's a true powerhouse in the palm of your hand.
Harness the power of the sun with the built-in solar panel. Simply place the power bank under sunlight and let it charge itself. It's an eco-friendly and convenient way to top up your power bank when you're outdoors or in areas with limited access to electricity. It is waterproof (IP54), dustproof, and shockproof, ensuring reliable performance even in challenging environments. Plus, the power bank doubles as a handy 4-LED flashlight with SOS and caution modes, providing illumination and safety when you need it most.
Stay powered up and connected with the 4XEM 20,000mAh Mobile Solar Power Bank and Charger. Don't let a dead battery slow you down-get yours today and experience the freedom of unlimited power!

Benefits:

  • Unlimited Power on the Go: With its high-capacity battery, this power bank ensures you never run out of power while on the go. Keep your devices charged and stay connected wherever you are, whether it's during outdoor adventures, travel, emergencies, or everyday use.
  • Versatile Charging Options: The multiple charging ports, including USB Type-C, USB Type-A, and wireless charging, allow you to charge a wide range of devices simultaneously. From smartphones and tablets to wireless earbuds and cameras, you can conveniently power up all your USB-compatible devices.
  • Solar-Powered Convenience: The built-in solar panel gives you the freedom to recharge the power bank using sunlight. It's a great option for outdoor enthusiasts, hikers, campers, and those in areas with limited access to electricity. Harness the power of the sun to stay powered up wherever you are.
  • Durable and Reliable: The rugged design of the power bank, along with its waterproof, dustproof, and shockproof features, ensures durability and reliability even in harsh environments. It can withstand the elements, making it suitable for outdoor use and adventures.
  • Stay Informed with Battery Level Indicators: The battery level indicator LEDs allow you to easily check the remaining charge of the power bank. This enables you to plan your power usage and ensures you have enough power to keep your devices running when you need them most.
  • Handy Emergency Flashlight: The 4-LED flashlight with SOS and caution modes provides illumination and safety during emergencies or when you need a reliable light source. It's a practical feature that adds an extra layer of convenience to your outdoor activities.
  • Portability and Convenience: The compact size and lightweight design of the power bank make it easy to carry in your bag or pocket. The included long power cable gives you flexibility in charging your devices while keeping the power bank conveniently nearby.

    • More from the manufacturer

    Technical specifications

    General Information

    Manufacturer 4XEM Corporation
    Manufacturer Part Number 4XSOLARPWRBK
    Manufacturer Website Address http://www.4xem.com
    Brand Name 4XEM
    Product Name Mobile Solar Bank and Charger (Black)
    Packaged Quantity 1
    Product Type Solar Power Bank

    Product Information

    Features Water ProofShock Proof Bumper

    Battery Information

    Battery Capacity 20000 mAh
    Battery Chemistry Lithium Polymer (Li-Polymer)

    Power Description

    Output Current 3 A
    Input Voltage 5 V DC
    Output Voltage 5 V DC
    Output Power 5 W

    Physical Characteristics

    Color Family Black
    Product Color Black
    Product Material Acrylonitrile Butadiene Styrene (ABS)Polycarbonate
    Height 6.5"
    Width 3.4"
    Weight (Approximate) 12.70 oz

    Miscellaneous

    Package Contents
    • Mobile Solar Charger (Black)
    • 1 x USB Charging Cable
    • 1 x Manual
    • 1 x Lanyard
    • 1 x Carabiner Belt-Clip
    Application / Usage CampingTablet PCBluetooth DeviceDigital CameraiPhoneGPS Devicee-book ReaderiPodPSPGaming ConsoleiPadMobile Device
    Green Compliant Yes
    Environmental Compliance Waste Electrical and Electronic Equipment Directive (WEEE)Restriction of Hazardous Substances (RoHS)
    Country of Origin China

    Interfaces/Ports

    Number of USB Ports 3
    Micro-USB Connector Yes
    USB Type-C Connector Yes

    Warranty

    Limited Warranty 1 Year

    Environmental Conditions

    Minimum Operating Temperature 32°F (0°C)
    Maximum Operating Temperature 104°F (40°C)

    Ratings and reviews

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    Shipping and returns

    Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

    Need to send it back? Start a return online with a Request RMA and our team will take care of you. Keep the original packaging. Items must be returned in the condition received.

    Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.