Nobis Power Bank User Manual

1. Introduction

Thank you for choosing the Nobis 20000mAh Power Bank. This portable charger is designed to provide reliable and fast charging for a wide range of devices, including smartphones, tablets, and laptops. With its large capacity and multiple charging ports, it is an ideal companion for travel, outdoor activities, and daily use.

Key features of your Nobis Power Bank include:

• 45W Super Fast Charging: Equipped with PD 3.0 and QC 4.0 protocols for rapid charging of compatible devices.
• 20000mAh Ultra Large Capacity: Provides multiple charges for phones and other devices, airline approved for portability.
• 4 Outputs & 2 Inputs: Features 2 USB-A output ports and 2 Type-C ports (supporting both input and output) to charge up to 4 devices simultaneously.
• LED Digital Display: Clearly shows the exact remaining battery percentage.
• Two-way Fast Charge: Supports 45W maximum input and output power for quick recharging of the power bank itself.
• Absolute Safety: Built-in multi-protect safety features including overcharge, overvoltage, overcurrent, short-circuit, and overtemperature protection.
• Universally Compatible: Works with smartphones, tablets, laptops, SteamDeck, wireless earbuds, smartwatches, and drones.

Image: The Nobis 20000mAh Power Bank in black, featuring a 45W output label and an LED digital display, shown alongside two USB-C charging cables.

2. Package Contents

Please check the package contents upon unboxing to ensure all items are present:

• 1 x Nobis 45W 20000mAh Power Bank
• 1 x 3A Type-C to Type-C charging cable (30cm)
• 1 x Instruction Manual (this document)

Image: The front of the Nobis Power Bank retail packaging, displaying "45W Power Bank 20000mAh" and port types.

3. Product Overview

Familiarize yourself with the components of your Nobis Power Bank:

Image: A close-up view of the Nobis Power Bank's ports, showing two USB-A outputs and two USB-C ports (one labeled In/Out, one labeled Output), along with the LED digital display.

• USB-C Ports (Input/Output): Two Type-C ports for both charging the power bank and charging compatible devices. One supports 45W input/output, the other 45W output.
• USB-A Ports (Output): Two USB-A ports for charging various devices.
• LED Digital Display: Shows the remaining battery percentage and charging status.
• Power Button: Activates the display and initiates trickle charging mode (double click).

Image: A detailed view of the Nobis Power Bank's LED digital display showing "100%" charge, highlighting its clear visibility compared to other designs.

4. Setup and First Use

Before using your Nobis Power Bank for the first time, it is recommended to fully charge it.

1. Charging the Power Bank: Connect the included USB-C to USB-C cable to one of the power bank's Type-C ports and to a compatible USB-C wall charger (not included). The LED display will show the charging progress. A 45W wall charger can fully charge the power bank in approximately 2 hours.
2. Checking Battery Level: Briefly press the power button to activate the LED digital display, which will show the current battery percentage.

Image: A visual representation of the Nobis Power Bank's two-way fast charging capability, showing it charging a phone and being recharged itself, with a note that it fully recharges in 2.0 hours.

5. Operating Instructions

The Nobis Power Bank offers versatile charging options for your devices.

Charging Your Devices:

1. Standard Charging: Connect your device to any of the available USB-A or USB-C output ports using an appropriate charging cable. The power bank will automatically begin charging your device.
2. Fast Charging: For devices that support PD 3.0 or QC 4.0, use the USB-C output ports with a compatible cable to utilize the 45W fast charging capability. This can charge a MacBook Pro 14" from 0% to 47% or an iPhone 15 Pro from 0% to 60% in 30 minutes.
3. Simultaneous Charging: You can charge up to four devices at once using all available output ports. The power bank intelligently adjusts current distribution.
4. Trickle Charging Mode: For low-current devices like earbuds or smartwatches, double-click the power button to activate trickle charging mode. The LED indicator will cycle to confirm activation, providing a safer charge for smaller devices. Double-click again to exit this mode.

Image: The Nobis Power Bank connected and charging a laptop, a smartwatch, and earbuds simultaneously, demonstrating its ability to charge four devices at once.

Device Compatibility:

The Nobis Power Bank is designed for universal compatibility, supporting a wide range of devices and fast charge protocols (AFC, FCP, SCP, PPS).

Image: A visual chart illustrating the compatibility of the Nobis Power Bank with various devices, including MacBooks (Air, Pro 14, Pro 16), iPad Pro 12.9, iPhones (15, 14 Pro, 13 Pro), Samsung phones (S21/S22, S23 Ultra), Nintendo Switch, Apple Watch Series 9, and Bluetooth Earbuds.

6. Safety and Maintenance

Your Nobis Power Bank is equipped with multiple safety protections to ensure safe operation. To maintain optimal performance and longevity, please follow these guidelines:

Safety Features:

• Over-heat Protection: Prevents overheating during charging or discharging.
• Over-current Protection: Safeguards against excessive current flow.
• Over-discharge Protection: Protects the battery from being fully depleted.
• Over-voltage Protection: Shields against voltage spikes.
• Short-circuit Protection: Automatically cuts off power in case of a short circuit.
• Over-charge Protection: Prevents overcharging of the power bank and connected devices.

Image: A diagram illustrating the internal components of the Nobis Power Bank and icons representing its comprehensive safety protections, including over-heat, over-current, over-discharge, over-voltage, short-circuit, and over-charge protection.

General Maintenance:

• Avoid exposing the power bank to extreme temperatures, direct sunlight, or high humidity.
• Do not drop, disassemble, or attempt to repair the device yourself.
• Clean the power bank with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
• Store the power bank in a cool, dry place when not in use.

7. Troubleshooting

If you encounter issues with your Nobis Power Bank, please refer to the following common solutions:

• Power Bank Not Charging:
  • Ensure the charging cable is securely connected to both the power bank and the wall charger.
  • Try a different charging cable or wall charger.
  • Verify that the wall charger is functional and provides sufficient power (e.g., 45W for fast charging).
• Device Not Charging from Power Bank:
  • Ensure the power bank has sufficient charge (check the LED display).
  • Try a different charging cable for your device.
  • Ensure your device's charging port is clean and free of debris.
  • If charging a low-current device, ensure trickle charging mode is activated (double-click power button).
• Slow Charging:
  • Ensure you are using a fast-charging compatible cable and port (USB-C for 45W).
  • Verify your device supports fast charging protocols (PD 3.0, QC 4.0).
  • Charging multiple devices simultaneously may reduce individual charging speeds.
• LED Display Not Working:
  • Briefly press the power button to activate the display.
  • If the power bank is completely depleted, the display may not light up until it receives some charge.

If the issue persists, please contact customer support.

8. Specifications

Note: The above parameters are from laboratory measurements and may vary slightly depending on specific usage conditions.

9. Warranty and Support

Your Nobis Power Bank is manufactured with high-quality standards. For information regarding warranty coverage and customer support, please refer to the following:

• Return Policy: This product is subject to a 30-day refund/replacement return policy. Please refer to your purchase platform for specific details.
• Manufacturer: Tianjin Zowda New Energy Technology Co.,Ltd
• Contact Support: For technical assistance or warranty claims, please contact the seller or manufacturer through the platform where the product was purchased.