Welcome
Thank you for choosing the Warmco M02 Rechargeable Hand Warmers. This device is designed to provide reliable warmth and convenient portable charging for your electronic devices. Please read this manual thoroughly before use to ensure proper operation and to maximize the product's lifespan.
Key Features
- Innovative Magnetic Design: Two detachable units can be used independently or attached for combined warmth.
- Long-lasting Warmth: Each 5000mAh unit provides up to 9 hours of heat on the lowest setting.
- Customizable Temperature Settings: Three adjustable temperature levels for personalized comfort.
- Power Bank Functionality: Doubles as a portable charger for your USB-C compatible devices.
- Fast Charging: Supports USB-C 10W (5V/2A) fast charging.
- Compact and Portable: Designed for easy carrying in pockets or bags.
Package Contents
Verify that all items listed below are included in your package:
- 2 x Warmco M02 Electric Hand Warmers
- 1 x 2-in-1 USB Charging Cable (USB-A to 2 USB-C)
- 1 x Portable Pouch
- 1 x User Manual

Image: Contents of the Warmco M02 package, including two hand warmers, a charging cable, a portable pouch, and the user manual.
Setup
Charging the Hand Warmers
Before first use, fully charge both hand warmers. It is recommended to use the provided 2-in-1 USB charging cable for optimal performance.
- Connect the USB-A end of the charging cable to a compatible USB power adapter (not included).
- Connect the two USB-C ends of the cable to the charging ports on each Warmco M02 hand warmer.
- The LED indicators on the hand warmers will illuminate to show charging status.
- Charging time is approximately 3.5 hours for a full charge.
- Once fully charged, disconnect the hand warmers from the charging cable.

Image: Two Warmco M02 hand warmers connected to a single power adapter via the included 2-in-1 USB-C charging cable, indicating they are charging.
Operating Instructions
Power On/Off
- To power on the hand warmer, press and hold the side button for three seconds. The LED indicators will light up.
- To power off, press and hold the side button for three seconds again.
Adjusting Temperature Settings
The Warmco M02 offers three temperature settings:
- Level 1 (Low): 104~113℉ (40~45℃) - Up to 9 hours of warmth per unit.
- Level 2 (Medium): 113~122℉ (45~50℃) - Up to 7.5 hours of warmth per unit.
- Level 3 (High): 122~136℉ (50~58℃) - Up to 5.5 hours of warmth per unit.
To cycle through the temperature settings, short press the side button while the device is on. The number of illuminated LED indicators will correspond to the current heat level (1 LED for low, 2 for medium, 3 for high).

Image: Diagram illustrating the three temperature settings (low, medium, high) and their respective operating times for a single hand warmer unit.
Using as a Power Bank
Each Warmco M02 unit can also function as a portable power bank to charge your USB-C compatible devices.
- Ensure the hand warmer is powered on.
- Connect your device's USB-C charging cable to the USB-C port on the hand warmer.
- The hand warmer will automatically begin charging your device.
- A single unit can charge a phone over 1.5 times.

Image: Two Warmco M02 hand warmers connected via USB-C cables to charge a smartphone and wireless earbuds, demonstrating their power bank capability.
Magnetic Connection
The Warmco M02 features a unique magnetic design, allowing the two units to snap together for easy storage or to provide 360-degree warmth when held together.

Image: Two Warmco M02 hand warmers shown magnetically attracting each other, highlighting their 2-in-1 design for easy packing and use.
Maintenance
- Cleaning: Wipe the surface with a soft, dry cloth. Do not use abrasive cleaners or immerse in water.
- Storage: Store the hand warmers in a cool, dry place when not in use. Use the provided portable pouch to protect them from scratches and dust.
- Battery Care: To prolong battery life, avoid fully discharging the units frequently. Recharge them regularly, even if not used for extended periods.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Hand warmer not turning on. | Low battery or device is off. | Charge the hand warmer fully. Press and hold the power button for 3 seconds. |
| Hand warmer not heating up. | Not in heating mode or low battery. | Ensure the device is powered on and in a heating mode (LEDs illuminated). Recharge if necessary. |
| Device not charging when connected. | Faulty cable or power adapter. | Try a different USB-C cable or power adapter. Ensure connections are secure. |
| Hand warmer not charging external device. | Hand warmer battery is low or external device is incompatible. | Ensure the hand warmer is sufficiently charged. Verify the external device is USB-C compatible. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | M02 |
| Brand | Warmco |
| Battery Capacity | 5000mAh x 2 (Total 10000mAh) |
| Battery Type | Lithium-Ion or Lithium-Polymer |
| Charging Input | 5V/2A (10W USB-C) |
| Charging Time | Approx. 3.5 Hours |
| Temperature Settings | 3 Levels: 104~113℉, 113~122℉, 122~136℉ |
| Operating Time (Single Unit) | Low: 9 hours, Medium: 7.5 hours, High: 5.5 hours |
| Dimensions (Each Unit) | 3.70 x 1.18 x 1.18 inches (9.4 x 3 x 3 cm) |
| Weight (Each Unit) | 0.26 lbs |
| Material | Battery, Metal, Acrylonitrile Butadiene Styrene (ABS) |
| Color | Black |
Official Product Video
Video: An official product video from WarmcoDirect showcasing the Warmco Rechargeable Hand Warmers, highlighting their features and portability.
Warranty and Support
The Warmco M02 Rechargeable Hand Warmers come with a 2-year limited warranty. This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accident, unauthorized modifications, or improper maintenance.
For warranty claims, technical support, or any inquiries, please contact Warmco customer service. Refer to the contact information provided in your product packaging or visit the official Warmco website for assistance.




