Introduction
Thank you for choosing the CYCYHEAT Heated Vest. This manual provides essential information for the safe and efficient use of your heated vest. Please read it thoroughly before first use and keep it for future reference. This vest is designed to provide warmth and comfort in cold conditions, featuring carbon fiber heating elements and a 4-in-1 control system.
Package Contents
Upon opening the package, please verify that all items listed below are present and in good condition.

Image Description: This image displays the typical contents of the CYCYHEAT Heated Vest package. It shows one heated vest, one 12000mAh battery, and one carrying bag.
- 1 x CYCYHEAT Heated Vest
- 1 x 12000mAh Power Bank (7.4V)
- 1 x Carrying Bag
Setup and First Use
- Charge the Battery: Before first use, fully charge the provided 12000mAh power bank. Connect the power bank to a suitable USB charger using the charging cable (not always included, use a standard USB cable). The indicator lights on the power bank will show the charging status.
- Connect the Battery: Locate the battery pocket inside the vest. Insert the fully charged power bank into the pocket and connect it to the vest's power cable.

Image Description: This image shows close-ups of the vest's features, including the comfortable cuffs, skin-friendly fabric, the 4-in-1 temperature control buttons, and the internal battery pocket with the power bank connected.
- Wear the Vest: Put on the vest. Ensure it fits comfortably and allows for free movement.
Operating Instructions
Power On/Off and Temperature Control
The vest features a 4-in-1 control system with a central power button and three additional buttons for zone-specific heating.
- Power On: Press and hold the central power button for 2-3 seconds until the indicator light illuminates. The vest will typically start heating at a medium setting.
- Adjust Temperature Levels: Once powered on, press the central button briefly to cycle through the three temperature settings:
- High (Red Light): Approximately 50-55 °C (122-131 °F) - Provides intense warmth for up to 3 hours.
- Medium (Blue Light): Approximately 45-50 °C (113-122 °F) - Provides comfortable warmth for up to 5 hours.
- Low (Green Light): Approximately 40-45 °C (104-113 °F) - Provides gentle warmth for up to 10 hours.

Image Description: This image illustrates the 3-level heating control. It shows the vest's control button and corresponding temperature ranges for High (red, 50-55°C), Medium (blue, 45-50°C), and Low (green, 40-45°C) settings.
- Zone-Specific Heating: The three additional buttons control heating elements in specific areas: neck, back, and abdomen. Press each of these buttons to activate or deactivate heating in the respective zone. This allows for customized warmth distribution.
- Power Off: Press and hold the central power button again for 2-3 seconds until all indicator lights turn off.
Heating Zones
The CYCYHEAT Heated Vest features eight strategically placed carbon fiber heating elements to provide comprehensive warmth to core body areas.

Image Description: This diagram highlights the eight heating zones within the vest. It shows four heating elements on the front (chest and abdomen) and four on the back (neck, upper back, and lower back), ensuring full body warmth.
- Neck: 1 heating zone
- Back: 3 heating zones (upper and lower back)
- Abdomen/Chest: 4 heating zones (2 on each side)
Maintenance and Care
Proper care will extend the life of your heated vest.
- Washing: Hand wash only. Before washing, ensure the power bank is disconnected and removed from the vest. Do not machine wash, tumble dry, iron, or dry clean.
- Drying: Hang dry the vest completely before reconnecting the power bank or storing.
- Storage: Store the vest in a cool, dry place when not in use. Ensure the battery is fully charged before long-term storage to maintain battery health.
- Battery Care: Avoid exposing the power bank to extreme temperatures or moisture. Do not puncture or disassemble the battery.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Vest not heating | Battery not connected or discharged. Vest not powered on. | Ensure the power bank is fully charged and securely connected. Press and hold the central power button for 2-3 seconds to turn on. |
| Heating is weak or inconsistent | Low battery charge. Incorrect temperature setting. Specific zone deactivated. | Recharge the power bank. Adjust to a higher temperature setting. Ensure desired heating zones are activated using their respective buttons. |
| Battery drains quickly | High temperature setting used continuously. Extreme cold conditions. | Lower the temperature setting when maximum heat is not required. Ensure the vest is worn under an outer layer for better insulation. |
Specifications
- Model Number: RTAX-013S
- Brand: CYCYHEAT
- Power Source: 7.4V Power Bank
- Battery Capacity: 12000mAh
- Heating Elements: Carbon Fiber
- Heating Zones: 8 (Neck, Back, Abdomen/Chest)
- Temperature Levels: 3 (High, Medium, Low)
- Fabric Type: Polyester
- Care Instructions: Hand wash only
- Approximate Battery Life:
- High (50-55 °C): 3 hours
- Medium (45-50 °C): 5 hours
- Low (40-45 °C): 10 hours
Sizing Chart
Please refer to the following chart to select the appropriate size. Measurements are approximate and may vary slightly.

Image Description: This image displays a detailed sizing chart for the heated vest. It includes measurements in centimeters for Bust, Shoulder, Hips, and Length across various sizes (S, M, L, XL, XXL).
| Size | Bust (cm) | Shoulder (cm) | Hips (cm) | Length (cm) |
|---|---|---|---|---|
| S | 99 | 42 | 99 | 65 |
| M | 108 | 44 | 108 | 66 |
| L | 118 | 46 | 118 | 67 |
| XL | 121 | 48 | 121 | 68 |
| XXL | 131 | 51 | 131 | 70 |
Note: All measurements are taken manually and may have a 1-2 cm error. Please consider the actual size.
Safety Information
- Do not use the vest if it is wet or damp.
- Do not use if heating elements are damaged or exposed.
- Keep out of reach of children.
- Consult a doctor before use if you have a medical condition, are pregnant, or use a pacemaker.
- Do not wear while sleeping.
- Disconnect the power bank before washing or prolonged storage.