Krisdonia NJF-K8
Krisdonia 80000mAh 130W Portable Power Bank User Manual
Brand: Krisdonia | Model: NJF-K8
1. Introduction
Thank you for choosing the Krisdonia 80000mAh 130W Portable Power Bank. This device is designed to provide reliable and versatile power for a wide range of electronic devices, including laptops, smartphones, tablets, cameras, and drones. With its high capacity and multiple output ports, it ensures your devices stay charged wherever you are. Please read this manual carefully before use to ensure proper operation and to maximize the lifespan of your power bank.
2. Product Overview
The Krisdonia NJF-K8 Portable Power Bank features a robust design with multiple input and output options, along with an intuitive digital display.

Image Description: This image displays a labeled diagram of the Krisdonia power bank's front panel. It highlights the Power ON/OFF button, LED Digital Display, DC Input (19V-4.3A), USB-C Port (PD 100W Output & Input), USB-A Ports (Quick Charge 3.0, 20W), and AC Port (130W Output).

Image Description: A clear front view of the Krisdonia 80000mAh 130W Portable Power Bank. The power bank is gray with a black front panel. The LED display shows '100% OUT'. From left to right, the ports are DC-IN, TYPE-C, USB (two ports), and AC-OUT. Below the ports, their specifications are listed: 19V-4.3A, PD-100W, 20W, and 130W respectively.
Key Features:
- High Capacity: 80000mAh / 296Wh for extended power.
- Versatile Outputs: 130W AC outlet, 100W USB-C Power Delivery (PD), and two 20W USB-A ports.
- Simultaneous Charging: Charge up to 4 devices concurrently.
- Digital Display: LED screen shows remaining battery percentage and output status.
- Portable Design: Compact and durable for on-the-go power.
3. Getting Started (Setup)
3.1 Initial Charging of the Power Bank
Before first use, it is recommended to fully charge your Krisdonia power bank. This ensures optimal performance and battery calibration.
- Connect the provided DC charger to the 'DC-IN' port on the power bank.
- Plug the charger into a wall outlet.
- The LED digital display will show the charging progress. It will indicate 'IN' and the battery percentage.
- Charging is complete when the display shows 100%.
Alternatively, you can recharge the power bank via the USB-C port using a compatible USB-C PD charger.

Image Description: The Krisdonia power bank is shown connected to a power strip via its DC input for recharging. The LED display shows '62% IN', indicating it is currently charging. The image highlights the rapid DC/USB-C recharging capability.
3.2 Powering On/Off
- To power on the power bank, press and hold the power button for 2-3 seconds. The LED display will light up.
- To power off, press and hold the power button again for 2-3 seconds.
4. Operating Instructions
The Krisdonia power bank can charge various devices simultaneously using its different output ports.

Image Description: This image illustrates the Krisdonia power bank's ability to charge multiple devices. A laptop, drone, smartphone, and tablet are shown around the power bank, with text indicating the approximate number of charges each device can receive (e.g., 'Up to 4 charges' for laptop, '4 to 8 charges' for drone/tablet, 'Up to 20 charges' for smartphone).
4.1 Using the AC Output (130W Max)
The AC output port allows you to power or charge devices that require a standard wall outlet, such as laptops, small appliances, or camera batteries.
- Ensure the power bank is turned on.
- Plug your device's AC adapter into the AC-OUT port on the power bank.
- The power bank will automatically detect and begin powering/charging your device. The display will show 'OUT'.

Image Description: The Krisdonia power bank is shown with its AC output port connected to a black device, likely a laptop power brick or similar AC-powered accessory. The image emphasizes the 130W AC output capability.
4.2 Using the USB-C Output (PD 100W Max)
The USB-C Power Delivery port provides fast charging for compatible laptops, tablets, and smartphones.
- Ensure the power bank is turned on.
- Connect your device to the 'TYPE-C' port using a compatible USB-C to USB-C cable.
- The power bank will automatically begin charging your device.

Image Description: The Krisdonia power bank is shown connected via a USB-C cable to a laptop, demonstrating its 100W USB-C fast charging capability. A Nintendo Switch is also visible in the background. The power bank's display shows '95% OUT'.
4.3 Using the USB-A Outputs (20W Max)
The two USB-A ports are suitable for charging smartphones, tablets, and other USB-powered devices.
- Ensure the power bank is turned on.
- Connect your device to either of the 'USB' ports using a compatible USB-A cable.
- The power bank will automatically begin charging your device.
5. Maintenance and Care
- Store 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.
- Do not expose the power bank to water or other liquids.
- Clean the exterior with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- For long-term storage, charge the power bank to approximately 50-70% every 3-6 months to preserve battery health.
6. Troubleshooting
6.1 Power Bank Not Turning On
- Ensure the power bank is sufficiently charged. Recharge it if the battery level is low.
- Press and hold the power button for 2-3 seconds to ensure it's properly activated.
6.2 Devices Not Charging
- Check if the power bank is turned on and has sufficient charge.
- Ensure the charging cable is securely connected to both the power bank and your device.
- Verify that the cable and your device are compatible with the selected output port (AC, USB-C, USB-A).
- For AC output, ensure your device's power consumption does not exceed 130W.
- Try a different charging cable or device to rule out cable or device issues.
6.3 Slow Charging
- Ensure you are using a high-quality cable that supports fast charging protocols (e.g., USB-C PD).
- Some devices may limit charging speed based on their battery status or temperature.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | Krisdonia |
| Model | NJF-K8 |
| Battery Capacity | 80000mAh (296Wh) |
| AC Output | 130W Max |
| USB-C Output/Input | PD 100W Max |
| USB-A Output | 20W Max (Quick Charge 3.0) |
| DC Input | 19V-4.3A |
| Battery Composition | Lithium-polymer |
| Color | Gray |
| Item Weight | 2.2 Kilograms |
8. Warranty and Support
Krisdonia products come with a standard manufacturer's warranty. For detailed warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official Krisdonia website. Please retain your proof of purchase for warranty claims.
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