KUULAA KL-YD42-C2

Contents

KUULAA Mini Power Bank 5000mAh User Manual

Model: KL-YD42-C2

Your compact and powerful portable charging solution.

1. Product Overview

The KUULAA Mini Power Bank is a compact and lightweight portable charger designed for on-the-go power. It features a digital display to show the remaining battery percentage and supports fast charging for compatible devices.

KUULAA Mini Power Bank with PD3.0 Quick Charge branding
KUULAA Mini Power Bank with PD3.0 Quick Charge branding.

Key Features:

  • Compact Design: Small and delicate, easily fits in a pocket or bag.
  • Fast Charging: Supports 20W PD & 18W QC charging.
  • Digital Display: Clear LED display shows the current power level.
  • Broad Compatibility: Available in Type-C and Lightning versions for a wide range of smartphones.
  • Travel-Friendly: Plane allowed for carry-on bags.
  • Case-Friendly: Compatible with phone cases less than 4mm thick.

2. Specifications

AttributeDetail
Brand NameKUULAA
ModelKL-YD42-C2
Battery TypeLi-Polymer Battery
Capacity5000mAh (3.7V/18.5Wh)
Rated Capacity3000mAh
Max Output20W
Shell MaterialPlastic
FeaturesDigital Display, With Plug
Quick Charge TechnologyTwo-way Quick Charge
Input InterfaceUSB Type C (5V=3A, 9V=2.22A, 12V=1.5A)
Output Interface (Lightning Version)LIGHTNING (20W), USB-Type C (20W)
Output Interface (Type-C Version)USB-Type C (18W), USB-Type C (20W)
Dimensions81mm x 28mm x 50mm
WeightApproximately 0.2 lb (90g)
Package Weight0.2 kg
Package Dimensions10cm x 10cm x 5cm
Mini and delicate design, showing dimensions (81mm length, 37mm width)
The compact design of the power bank, with dimensions of 81mm length and 37mm width.
Hand holding the power bank, emphasizing its light weight (0.2 lb)
The power bank weighs approximately 0.2 lb, making it very lightweight and portable.

3. Package Contents

Please check the package for the following items:

  • KUULAA Mini Power Bank
  • USB-C Charging Cable
  • User Manual
Packaging accessories: power bank, USB-C cable, user manual
The power bank comes with a USB-C charging cable and a user manual.

4. Setup and First Use

Charging the Power Bank:

  1. Before first use, fully charge the power bank.
  2. Connect the provided USB-C charging cable to the power bank's USB-C input port.
  3. Connect the other end of the cable to a compatible power adapter (10W or higher recommended for faster charging).
  4. The LED display will show the charging progress. It typically takes 1-2 hours to fully charge the power bank with a suitable adapter.

Checking Battery Level:

Press the power button once to activate the LED display, which will show the current battery percentage.

5. Operating Instructions

Charging Your Device:

  1. Identify the correct version of your power bank (Type-C or Lightning).
  2. For the Lightning version, plug the integrated Lightning connector directly into your iPhone's charging port.
  3. For the Type-C version, plug the integrated Type-C connector directly into your Android phone's charging port.
  4. The power bank will automatically begin charging your device, and the LED display will show its remaining power.
  5. To stop charging, simply unplug the power bank from your device.
Compatibility image showing various USB-C phones (Samsung, Huawei, Xiaomi, Google Pixel, Motorola, OnePlus)
The Type-C version is designed for popular USB-C port phones including Samsung, Huawei, Xiaomi, Google Pixel, Motorola, and OnePlus series.
Power bank charging a phone, with other devices around, highlighting its special design for USB-C devices
Special design for USB-C devices, providing efficient charging.

Fast Charging Performance:

The power bank supports 20W PD and 18W QC charging, allowing for rapid power delivery to compatible devices. For example, a 20W PD charger can charge a phone to 40% in approximately 30 minutes, significantly faster than a standard 5V/1A charger.

Comparison of 20W PD charger vs 5V/1A charger, showing 40% charge in 30 mins for 20W PD
Comparison of charging speeds: 20W PD charger vs. 5V/1A charger.

LED Display:

The integrated LED display provides a real-time percentage of the power bank's remaining charge, eliminating guesswork.

LED display showing '100', indicating current power level
The LED display clearly shows the power bank's remaining charge.

Video Demonstration:

Watch a demonstration of the KUULAA Mini Power Bank in various usage scenarios, highlighting its convenience and fast charging capabilities.

6. Maintenance

  • Keep the power bank dry and away from moisture.
  • Avoid exposing the device to extreme temperatures (hot or cold).
  • Clean the device 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.
  • Do not disassemble or attempt to repair the power bank yourself.

7. Troubleshooting

Device Not Charging:

  • Ensure the power bank itself is charged. Check the LED display.
  • Verify that the power bank's connector is fully and correctly inserted into your phone's charging port.
  • Check for any debris in the charging ports of both the power bank and your phone.
  • Ensure your phone case is not obstructing the connection. The power bank is compatible with cases less than 4mm thick.
Close-up of phone charging with power bank, showing 'Partial Cellphone Case Friendly' and '<4mm Phone case less than 4mm applicable'
The power bank is designed to be friendly with phone cases less than 4mm thick.

Slow Charging:

  • Ensure both the power bank and your device support fast charging protocols (PD/QC).
  • Using your phone while charging can slow down the charging process.
  • The charging cable used to charge the power bank should be of good quality and support fast charging.

Compatibility Issues:

  • This power bank comes in two main versions: Lightning (for iPhones) and Type-C (for Android phones like Samsung, Xiaomi, Huawei, Google Pixel, Motorola, OnePlus, etc.). Ensure you have the correct version for your device.
  • For iPhone users, ensure your iPhone model is compatible with the Lightning connector. For example, iPhone 15 and newer models use USB-C, so the Type-C version of this power bank would be needed.

8. User Tips

  • Monitor Charge Level: Always keep an eye on the power bank's LED display to know its remaining charge, especially before heading out.
  • Portability: Its small size and lack of wires make it ideal for charging your phone on the go without being tethered to a wall outlet.
  • Efficient Charging: The power bank can efficiently charge your phone, even while the phone is in active use.
  • Air Travel: This power bank is allowed in carry-on bags for air travel, but not in checked luggage.
Power bank charging a phone, with 'Plane Allowed' text, indicating it's safe for air travel (carry-on only)
The power bank is approved for carry-on luggage during air travel.

9. Warranty and Support

This product is covered by a warranty against defects in materials and workmanship for a period of 12 months from the date of purchase. The warranty does not cover damage caused by human factors, misuse of the product, unauthorized disassembly, or damage during transportation.

For further assistance or to view additional item guides and documents, please refer to the official product page or contact customer support.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.