User Manual for HELLEE 15000mAh Portable Charger

1. Introduction

Thank you for choosing the HELLEE 15000mAh Portable Charger. This compact and powerful device is designed to keep your electronic devices charged on the go, featuring built-in cables for universal compatibility and fast charging capabilities. Please read this manual carefully before using the product to ensure safe and optimal performance.

2. Safety Information

To prevent damage to the product or injury to yourself and others, please observe the following safety precautions:

• Do not expose the power bank to extreme temperatures (above 60°C/140°F) or direct sunlight.
• Avoid dropping, disassembling, or attempting to repair the device yourself.
• Keep away from water, moisture, and flammable materials.
• Use only compatible charging cables and adapters.
• This portable charger complies with airline safety regulations and is safe for air travel.
• The device includes built-in protections against overcharging, overheating, over-voltage, and overcurrent.

3. Product Features

• Multi-Device Charging with Built-In Cables: Integrated cables for USB-A, Type-C, iOS (Lightning), and Micro USB, ensuring broad compatibility.
• Fast 22.5W Charging: Significantly reduces charging times with advanced voltage regulation.
• Charge Up to 6 Devices Simultaneously: Features 6 output and 3 input ports, including a bi-directional Type-C port for fast input and output.
• Compact and Lightweight: Weighs only 7.09 ounces (200g) and measures 4.56 x 2.67 x 0.86 inches, with an added lanyard for portability.
• Smart LED Display: Shows real-time battery percentage and current charging status.
• Air Travel Approved with Safety Features: Designed with fire-resistant materials and multiple built-in protections.

4. Package Contents

• HELLEE 15000mAh Portable Charger (Model N18)
• User Manual

Note: This power bank features built-in charging cables (USB-A, Type-C, iOS, Micro USB) and a built-in USB-A input cable for recharging the power bank itself, eliminating the need for separate cables.

5. Product Overview and Components

Familiarize yourself with the different parts of your HELLEE portable charger:

Image 1: Front and back view of the HELLEE 15000mAh Portable Charger. The front features a digital LED display showing battery percentage, while the back integrates multiple charging cables for various devices.

Image 2: The portable charger demonstrating its 22.5W super fast charging capability, indicated by a smartphone connected and charging rapidly.

Image 3: The power bank connected to and simultaneously charging six different devices, including smartphones, a tablet, earbuds, and a smartwatch, highlighting its multi-output functionality.

Image 4: A visual comparison illustrating the convenience of the HELLEE power bank's built-in cables, contrasting it with other portable chargers that require carrying additional, often tangled, external cables.

Image 5: A hand holding the HELLEE 15000mAh portable charger, emphasizing its compact size and ease of portability, similar to a small smartphone.

Image 6: The portable charger positioned against an airplane window, illustrating its compliance with airline safety regulations and suitability for air travel.

Image 7: The portable charger in a professional setting, highlighting its compatibility with various devices via Type-C, Lightning, and Micro USB connections, making it suitable for diverse users.

6. Setup

6.1 Initial Charging of the Power Bank

Before first use, it is recommended to fully charge your HELLEE portable charger.

1. Locate the built-in USB-A input cable on the power bank.
2. Connect the USB-A input cable to a compatible USB wall adapter (not included) or a computer's USB port.
3. The LED display will show the charging progress. The power bank is fully charged when the display shows "100%".

Alternatively, you can use the bi-directional Type-C port for input charging:

1. Connect a USB-C to USB-C cable (not included) from a compatible USB-C wall adapter to the Type-C port on the power bank.
2. Monitor the LED display for charging status.

7. Operating Instructions

7.1 Charging Your Devices

The HELLEE power bank offers multiple ways to charge your devices:

1. Using Built-in Cables:
   • Identify the correct built-in cable (iOS/Lightning, Type-C, or Micro USB) for your device.
   • Gently pull out the desired cable from its slot.
   • Connect the cable to your device's charging port. The power bank will automatically begin charging.
2. Using External Ports:
   • For devices requiring a standard USB-A or an additional Type-C connection, use your device's original charging cable.
   • Plug one end of your cable into the USB-A or Type-C output port on the power bank.
   • Connect the other end to your device. Charging will commence automatically.

The smart LED display will show the current battery level of the power bank and indicate when a device is being charged.

7.2 Trickle-Charging Mode for Small Earphones

For low-power devices like Bluetooth earphones or smartwatches, the power bank supports a trickle-charging mode to prevent overcharging and protect the device's battery. This mode activates automatically when a low-power device is connected.

8. Maintenance

• Cleaning: Use a soft, dry cloth to clean the surface of the power bank. Do not use liquid cleaners or abrasive materials.
• Storage: Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures.
• Battery Care: To prolong battery life, fully charge the power bank at least once every three months if not in regular use.
• Avoid fully discharging the power bank frequently.

9. Troubleshooting

10. Specifications

11. Warranty and Support

HELLEE products are designed for reliability and performance. For any questions, technical support, or warranty inquiries, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.

For further assistance, please visit the official HELLEE support website or contact their customer service team.