4smarts VoltHub Go2 20,000 mAh Power Bank User Manual

1. Introduction

Thank you for choosing the 4smarts VoltHub Go2 20,000 mAh Power Bank. This portable external battery is designed to provide reliable power for your mobile devices on the go. With its high capacity and multiple charging ports, you can keep your smartphones and other USB-powered gadgets charged throughout the day. Please read this manual carefully to ensure proper use and to maximize the lifespan of your device.

2. Product Overview

Key Features:

• High Capacity: 20,000 mAh for extended power.
• Dual Device Charging: Charge two devices simultaneously.
• LED Charge Indicator: Four LEDs display remaining battery level.
• Durable Design: Textured surface for comfortable grip.
• Smart & Safe: Intelligent charging stop, certified cells, and protection against short-circuits, overcharge, and deep discharge.

Package Contents:

• 4smarts VoltHub Go2 20,000 mAh Power Bank
• Micro USB Charging Cable
• User Manual

Image 2.1: The 4smarts VoltHub Go2 Power Bank shown with its included Micro USB charging cable.

Component Identification:

Image 2.2: A detailed view of the power bank's input and output ports. From left to right: Micro-USB input, USB-C input/output, and two USB-A output ports.

1. Micro-USB Input Port: For charging the power bank.
2. USB-C Input/Output Port: For charging the power bank or charging compatible devices.
3. USB-A Output Ports (x2): For charging external devices.
4. LED Indicators: Four small lights indicating battery charge level.
5. Power Button: To check battery level or initiate charging (if auto-detection fails).

3. Setup

Initial Charging of the Power Bank:

Before first use, fully charge your 4smarts VoltHub Go2 Power Bank. This ensures optimal battery performance and longevity.

1. Connect the included Micro USB cable to the Micro-USB input port on the power bank. Alternatively, use a USB-C cable to connect to the USB-C port.
2. Connect the other end of the cable to a USB wall charger (not included) or a computer's USB port.
3. The LED indicators will light up, showing the charging progress. All four LEDs will be solid when the power bank is fully charged.

4. Operating Instructions

Charging External Devices:

The VoltHub Go2 can charge smartphones, tablets, and other USB-powered devices.

1. Connect your device's charging cable (USB-A to your device's port, or USB-C to your device's port) to one of the USB-A output ports or the USB-C port on the power bank.
2. Connect the other end of the cable to your device.
3. The power bank should automatically begin charging your device. If not, press the power button once to initiate charging.
4. The LED indicators on the power bank will illuminate to show the remaining battery level.
5. You can charge up to two devices simultaneously using the available output ports.

Image 4.1: The power bank actively charging two smartphones, demonstrating its dual-charging capability.

Checking Battery Level:

Press the power button once. The LED indicators will light up to show the current charge level.

5. LED Indicator Guide

The four LED lights on the power bank indicate the remaining battery capacity:

• 1 LED Solid: 0-25% remaining capacity
• 2 LEDs Solid: 25-50% remaining capacity
• 3 LEDs Solid: 50-75% remaining capacity
• 4 LEDs Solid: 75-100% remaining capacity
• During charging, the active LED will blink, and solid LEDs indicate completed charge segments.

6. Maintenance

• Cleaning: Use a soft, dry cloth to clean the power bank. Do not use harsh chemicals or abrasive materials.
• Storage: Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures.
• Battery Longevity: To maintain battery health, fully charge the power bank at least once every three months if not in regular use.

7. Troubleshooting

Power Bank Not Charging:

• Ensure the charging cable is securely connected to both the power bank's input port and the power source.
• Try a different charging cable or wall adapter.
• Verify the power source is active.

Device Not Charging from Power Bank:

• Check if the power bank has sufficient charge (refer to LED indicators).
• Ensure your device's charging cable is securely connected to both the power bank's output port and your device.
• Press the power button on the power bank once to activate charging.
• Try a different output port on the power bank.
• Try a different charging cable for your device.

Slow Charging:

• Ensure you are using a high-quality cable and a compatible wall adapter for charging the power bank or your device.
• Charging multiple devices simultaneously may reduce the charging speed for each device.

8. Specifications

9. Safety Information

• Do not expose the power bank to extreme temperatures (above 60°C / 140°F or below 0°C / 32°F), direct sunlight, or fire.
• Do not immerse the power bank in water or other liquids.
• Do not disassemble, modify, or attempt to repair the power bank. This may cause damage, fire, or injury.
• Keep out of reach of children.
• Avoid dropping or subjecting the power bank to strong impacts.
• Use only certified and compatible charging cables and adapters.
• If the power bank swells, emits an odor, or becomes excessively hot during use or charging, discontinue use immediately and contact customer support.
• Dispose of the power bank responsibly according to local regulations. Do not dispose of it with household waste.

10. Warranty and Support

The 4smarts VoltHub Go2 Power Bank comes with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your purchase or visit the official 4smarts website. For technical support, troubleshooting assistance, or any product-related inquiries, please contact 4smarts customer service through their official channels.

Website: www.4smarts.com (Please check for regional variations)