JONKUU X8

JONKUU 20000mAh 22.5W PD & QC 3.0 Power Bank

Model: X8

Introduction

Welcome to your JONKUU 20000mAh 22.5W PD & QC 3.0 Power Bank. This portable charger is designed to provide reliable and fast charging for your electronic devices. Please read this manual carefully before use to ensure optimal performance and safety.

Important Safety Instructions

  • Do not expose the power bank to extreme temperatures (above 60°C/140°F or below 0°C/32°F) or direct sunlight.
  • Avoid dropping, disassembling, or attempting to repair the device yourself.
  • Keep the power bank away from water, moisture, and flammable materials.
  • Dispose of the power bank responsibly according to local regulations. Do not discard with household waste.
  • Keep out of reach of children.

Package Contents

  • 1 x JONKUU 20000mAh Power Bank
  • 1 x Type-C Cable
  • 1 x User Manual

Product Overview

Familiarize yourself with the ports and indicators on your power bank.

JONKUU Power Bank Product Details with labeled ports and buttons

This image shows the JONKUU power bank with labels for its components: LED Display Screen, Micro Input, Type-C Input (PD 20W) / Type-C Output (22.5W), USB-A1 Output (22.5W), USB-A2 Output (22.5W), and Power Button.

  • LED Display Screen: Shows the current battery percentage.
  • Micro Input: For charging the power bank using a Micro USB cable.
  • Type-C Input/Output: Supports Power Delivery (PD 20W) for input and 22.5W for output.
  • USB-A1 Output: 22.5W fast charging output port.
  • USB-A2 Output: 22.5W fast charging output port.
  • Power Button: Press once to activate the LED display and initiate charging.

Setup

Initial Charging of the Power Bank

Before first use, fully charge your JONKUU power bank to ensure optimal performance and battery longevity.

  1. Connect the provided Type-C cable to the power bank's Type-C input port, or use a Micro USB cable (not included) for the Micro Input port.
  2. Connect the other end of the cable to a compatible USB wall charger (not included).
  3. The LED display will show the charging progress. Once it reaches 100%, the power bank is fully charged and ready for use.

Operating Instructions

Charging Your Devices

The JONKUU power bank features multiple output ports for versatile charging of your electronic devices.

Single Device Charging

  1. Connect your device's charging cable to one of the power bank's output ports (USB-A1, USB-A2, or Type-C).
  2. Connect the other end of the cable to your device.
  3. The power bank will automatically begin charging your device. The LED display will show the remaining battery level.

Simultaneous Device Charging

This power bank can charge up to three devices concurrently.

  1. Connect each device to an available output port (USB-A1, USB-A2, and Type-C).
  2. The power bank will distribute power to all connected devices. Note that charging speed may vary depending on the number of devices and their power requirements.
JONKUU Power Bank charging three devices simultaneously

This image illustrates the JONKUU power bank simultaneously charging a tablet and two smartphones, demonstrating its multi-device charging capability.

Fast Charging Technology

The power bank supports PD 3.0 and QC 4+ technologies for rapid charging.

  • For optimal fast charging, use a compatible cable and ensure your device supports PD or QC fast charging.
  • The 22.5W output can charge compatible devices significantly faster than standard 2.4A chargers.
JONKUU Power Bank with 22.5W Power Delivery indication

This image highlights the 22.5W Power Delivery capability of the JONKUU power bank, showing a smartphone charging rapidly.

Checking Battery Level

Press the power button once to activate the LED display and view the current battery percentage.

Maintenance

Care and Storage

  • Keep the power bank in a cool, dry place, away from direct sunlight and extreme temperatures.
  • Avoid dropping or subjecting the power bank to strong impacts.
  • Clean the exterior with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
  • If storing for an extended period, charge the power bank to approximately 50-75% every three months to prolong battery life.

Troubleshooting

Common Issues and Solutions

ProblemSolution
Power bank not chargingEnsure the charging cable is securely connected to both the power bank and the wall charger. Try a different cable or wall charger.
Device not chargingEnsure the power bank has sufficient charge. Check the connection between the power bank and your device. Try a different cable.
Slow chargingEnsure your device and cable support fast charging. Charging multiple devices simultaneously may reduce individual charging speeds.
LED display not workingPress the power button to activate the display. If it remains off, the power bank might be fully discharged or require service.

Specifications

Technical Data

  • Battery Type: Lithium-ion battery cell
  • Capacity: 20000mAh
  • Type-C Input/Output: 22.5W (PD 20W Input)
  • USB-A Output (x2): 22.5W
  • Dimensions (L x W x H): 16 x 7 x 3 cm
  • Weight: 480g
  • Model Number: X8
  • Special Features: Fast Charging
  • Connector Type: USB Type C
  • Voltage: 5 Volts
  • Amperage: 2.4 A
  • Recommended Uses: Tablet, Phone
JONKUU Power Bank dimensions comparison with iPhone X

This image shows the JONKUU power bank's dimensions (142mm x 64mm x 29mm for the 20000mAh version, note: product description states 16x7x3cm for X8 model) compared to an iPhone X, highlighting its portable design.

Warranty and Support

JONKUU is committed to providing high-quality products and excellent customer service. We use only the highest quality materials to ensure the safety and performance of our products.

If you have any questions, require assistance, or encounter any issues with your power bank, please do not hesitate to contact us. We aim to respond to all inquiries within 24 hours.

For warranty claims or technical support, please refer to the contact information provided with your purchase or visit the official JONKUU website for further assistance.

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