Essager Thin Wireless Power Bank Magnetic 20W 5000mAh User Manual

1. Product Overview

The Essager Thin Wireless Power Bank is a compact and powerful portable charger designed for convenience and efficiency. Featuring a magnetic attachment for compatible devices, 20W fast charging capabilities, and a 5000mAh capacity, it ensures your devices stay powered on the go. Its ultra-slim metal design makes it lightweight and pocket-friendly.

Essager Thin Wireless Power Bank with magnetic ring and specifications — Essager Thin Wireless Power Bank, highlighting its magnetic design and 5000mAh capacity.

Overview of Essager power bank features including slim design, magnetic charging, dual device charging, strong magnet, and airline approval — Key features of the Essager Magnetic Power Bank.

2. Package Contents

Essager Thin Wireless Power Bank (Host) x 1
A-C Charging Cable (0.5m) x 1
Color Box x 1

3. Specifications

Feature	Specification
Brand	ESSAGER
Model	KR-W002
Material	ABS+PC+Aluminum Alloy
Battery Type	Li-Polymer Battery
Battery Capacity	5000mAh
Rated Capacity	About 3500mAh
Input Interface	USB Type C
USB-C Input	5V/3A, 9V/2.22A, 12V/1.67A (Max 20W)
Output Interface	USB-Type C
USB-C Output	5V/2.4A, 9V/2.22A, 12V/1.5A (Max 20W)
Wireless Output	5W/7.5W/10W/15W
Max Output	20W
Energy Conversion Rate	≥70%
Charging Distance	≤5mm
Magnetic Strength	N52 (3800GS±200GS)
Product Dimensions	102.3mm x 68.5mm x 8.8mm
Product Weight	0.155 kg
Package Dimensions	14cm x 9cm x 2cm
Certification	CE
Features	With LED Lamp, Wireless Charge, Two-way Quick Charge

Product parameters table showing detailed specifications — Detailed product parameters.

4. Setup and Initial Use

4.1 Charging the Power Bank

Connect the provided USB-C to USB-A charging cable to the Type-C port on the power bank.
Connect the other end of the cable to a compatible USB power adapter (not included).
The LED power indicators will illuminate to show the charging status. A full charge is indicated when all LED lights are solid.

4.2 Checking Battery Level

Press the power button once to view the current battery level via the LED indicators:

One light: 0-25% battery
Two lights: 25-50% battery
Three lights: 50-75% battery
Four lights: 75-100% battery

LED indicators for battery level and charging status.

5. Operating Instructions

5.1 Wireless Charging (Magnetic)

Ensure your device is compatible with magnetic wireless charging (e.g., iPhone 12 series and newer, or devices with MagSafe-compatible cases).
Align the power bank with the back of your device. The strong N52 magnet will securely attach and automatically begin charging.
The LED status indicator (first light) will turn green to indicate wireless output.

Magnetic power bank snapping onto a phone, showing automatic charging start — Magnetic attachment and automatic charging.

Close-up of the N52 strong magnet for secure attachment — N52 strong magnet ensures secure attachment.

User holding phone with power bank attached, showing it does not block the camera lens — The power bank is designed not to block the phone's camera lens.

5.2 Wired Charging

Connect your device's charging cable to the USB-C output port on the power bank.
Connect the other end of the cable to your device.
The LED status indicator (first light) will turn blue to indicate wired fast charging.

5.3 Simultaneous Charging (Wireless + Wired)

The power bank supports charging two devices concurrently: one wirelessly via magnetic attachment and another via the USB-C wired connection. This allows for efficient power distribution without queuing.

Two phones being charged simultaneously, one wirelessly and one wired — Charge two devices at the same time.

Diagram showing wireless 15W output and wired 20W output simultaneously — Wireless (15W Max) and Wired (20W Max) charging simultaneously.

5.4 Pass-thru Charging

The power bank supports pass-thru charging, meaning you can charge the power bank itself while it simultaneously charges your device (wirelessly or wired). This allows it to function as a desktop wireless charger.

Power bank charging a phone wirelessly while being charged itself via a wall adapter — Pass-thru charging: Power bank charges itself and your device simultaneously.

5.5 Product Demonstration Video

A short video demonstrating the magnetic attachment, slim design, and dual charging capabilities of the power bank.

6. Safety Features and Protection

The Essager Thin Wireless Power Bank is equipped with advanced safety features to protect both the power bank and your devices:

Short Circuit Protection: Prevents damage from short circuits.
Over Temperature Protection: Automatically regulates temperature to prevent overheating (up to 60℃).
Over Voltage Protection: Safeguards against excessive voltage (up to 13.2V).
Overcurrent Protection: Protects against excessive current flow.
Anti-static Protection: Minimizes static electricity discharge.
Overcharge Protection: Prevents overcharging of connected devices.

Diagram showing internal components and safety protections: short circuit, over temperature, over voltage, overcurrent, anti-static, overcharge — Advanced safety features for comprehensive protection.

7. Maintenance

To ensure the longevity and optimal performance of your power bank, follow these maintenance guidelines:

Storage: Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures.
Cleaning: Use a soft, dry cloth to clean the exterior of the power bank. Do not use harsh chemicals or abrasive materials.
Avoid Drops: While durable, avoid dropping the power bank, as this can damage internal components.
Water Exposure: Keep the power bank away from water and other liquids.

8. Troubleshooting

Device Not Charging:
- Ensure the power bank is sufficiently charged.
- For wireless charging, verify proper alignment and that your device supports magnetic wireless charging. Remove any non-MagSafe cases.
- For wired charging, check the cable connection and try a different cable or port.
Slow Charging:
- Ensure your device and cable support fast charging.
- Charging multiple devices simultaneously may reduce individual charging speeds.
Power Bank Overheating:
- A slight warmth during charging is normal. If it becomes excessively hot, disconnect it immediately and allow it to cool down.
- Ensure there are no foreign objects between the power bank and your device during wireless charging.
LED Status Indicator is Red:
- A red LED status light typically indicates that foreign objects have been detected on the wireless charging surface. Remove any objects and try again.

9. User Tips

Case Compatibility: For optimal magnetic attachment and wireless charging, use a MagSafe-compatible phone case or no case at all. Non-magnetic cases may prevent proper attachment or charging.
Charging Other Devices: The power bank supports wireless charging for compatible earphones (e.g., AirPods) but generally not for smartwatches.
Airline Travel: This power bank is airline approved, making it suitable for carry-on luggage.
Rated vs. Actual Capacity: The power bank has an actual capacity of 5000mAh, but the rated capacity (usable capacity after conversion losses) is approximately 3500mAh. This is standard for power banks.
Charging While Using: The slim design allows for comfortable use of your phone while the power bank is magnetically attached and charging.

Diagram showing magnetic phone cases allow charging, while non-magnetic cases do not — Magnetic cases are recommended for wireless charging.

Power bank shown in an airplane window, indicating it is airline approved — Airline approved for convenient travel.

10. Warranty and Support

For any product-related inquiries, technical support, or warranty claims, please contact the ESSAGER Official Store directly through the platform where you purchased the product. Keep your purchase receipt as proof of purchase.

This product is CE certified, indicating compliance with European health, safety, and environmental protection standards.

ESSAGER KR-W002