1. Introduction
This manual provides essential information for the safe and effective use of your Clemas Smart Li-Polymer 5V 5000mAh Rechargeable Battery Pack. This battery pack is designed to power various heated products, such as heated socks, gloves, and hats. Please read these instructions thoroughly before first use and retain them for future reference.
2. Product Overview
2.1 Package Contents
- One (1) pair of Clemas Smart Li-Polymer 5V 5000mAh Rechargeable Battery Packs
- One (1) USB extension cable with two Type-C charging ports
2.2 Battery Pack Features
The Clemas Smart Li-Polymer Battery Pack is a compact and efficient power source. Each pack features a Type-C input for charging and a DC 35135 output for connecting to heated garments. It includes indicators for both temperature/gear settings and the state of charge.

Image: Two Clemas Smart Li-Polymer 5V 5000mAh Rechargeable Battery Packs, showing their compact design and indicator lights.

Image: Various views of the battery pack, highlighting its front, back, and top with controls and ports.
2.3 Controls and Indicators

Image: A detailed view of the battery pack's side, showing the ON/OFF button, temperature gear indicators (1-4), Type-C input port, and DC 35135 output socket.
- ON/OFF Button: Press and release to turn on. Press and hold to turn off.
- Temperature Gear Indicator (TEMP 1-4): Indicates the current heating level. Level 4 is the highest. Press and release the ON/OFF button to cycle through levels 4, 3, 2, and 1 in sequence.
- Type-C Input Port: Used for charging the battery pack.
- DC 35135 Output Socket: Used to connect to heated garments.

Image: A close-up of the battery pack showing four white LED indicators for the State of Charge (SOC), representing 25%, 50%, 75%, and 100% battery capacity.
- State of Charge (SOC) Indicators: Four white LEDs indicate the remaining battery capacity (25%, 50%, 75%, 100%).
3. Setup
Before initial use, fully charge both battery packs. Refer to the 'Charging Instructions' section for detailed steps.
4. Charging Instructions
To charge the battery packs, use the provided USB extension cable with two Type-C charging ports. Connect the cable to a compatible 5V power source.

Image: Illustration showing the battery packs being charged via the 2-in-1 USB Type-C cable from various sources including a DC adapter, power bank, car charger, and laptop.
- Connect the Type-C end of the charging cable to the Type-C input port on each battery pack.
- Connect the USB-A end of the charging cable to a 5V USB power source (e.g., wall adapter, power bank, car charger, computer USB port).
- The State of Charge (SOC) indicators will illuminate to show charging progress. All four LEDs will be solid white when fully charged.
- Once fully charged, disconnect the battery packs from the power source.
4.1 Charging Safety
When charging, ensure the battery packs are placed on a non-flammable, stable surface. Avoid charging on soft materials like carpets or blankets to prevent overheating.

Image: Demonstrates safe charging practices, showing battery packs charging on a hard, flat surface (right, green checkmark) and an unsafe practice of charging on a fluffy rug (left, red cross).
5. Operation
5.1 Connecting to Heated Products
The battery packs are compatible with heated garments that use a DC 35135 connector.

Image: Examples of the battery packs connected to various heated products, including heated socks, heated gloves, and a heated hat.
- Locate the DC 35135 connector on your heated garment.
- Plug the DC 35135 output socket of the battery pack into the corresponding connector on your garment.
5.2 Powering On and Adjusting Heat
- With the battery pack connected to your heated product, press and release the ON/OFF button to turn on the battery pack. The temperature gear indicators will light up, defaulting to level 4 (highest heat).
- To adjust the heat level, press and release the ON/OFF button again. Each press will cycle through the heat levels: 4 > 3 > 2 > 1.
- To turn off the battery pack, press and hold the ON/OFF button until the indicators turn off.
6. Maintenance
6.1 Storage
- Store the battery packs in a cool, dry place away from direct sunlight and extreme temperatures.
- For prolonged storage, charge the battery packs every six months with a 5V charger to maintain battery health and prevent deep discharge.
7. Troubleshooting
7.1 Battery Pack Turns Off Prematurely
- Check Connections: Ensure the DC 35135 connector is securely plugged into the heated garment. A loose connection can sometimes cause interruptions.
- Overload Protection: The battery pack may have an internal safety mechanism that shuts it off if it detects an overload or short circuit. Ensure your heated product is compatible and not drawing excessive power.
- Battery Condition: If the issue persists, the battery pack may be experiencing an internal fault or degradation. Ensure the battery is fully charged before use.
- Contact Support: If troubleshooting steps do not resolve the issue, contact customer support for further assistance.
7.2 Battery Pack Not Charging
- Verify Cable: Ensure the USB Type-C charging cable is not damaged and is properly connected to both the battery pack and the power source.
- Check Power Source: Confirm that the 5V USB power source (adapter, power bank, etc.) is functional and providing power. Try a different power source if available.
- Clean Ports: Inspect the Type-C port on the battery pack for any debris or obstruction that might prevent proper connection.
8. Specifications

Image: A table detailing the specifications of the Smart Li-Polymer Battery Pack, including model, dimensions, weight, capacity, input, and output.
| Specification | Value |
|---|---|
| Brand | Clemas |
| Model | XY9801C |
| Battery Type | Smart Li-Polymer (Lithium-ion) |
| Battery Capacity | 5000 Milliampere-hour (mAh) |
| Voltage | 5 Volts |
| Amperage (Output) | 2 A |
| Input | Type-C 5V/2A |
| Output | DC 35135 / 5V / 2A |
| Item Weight (per pack) | 76 Grams |
| Dimensions (L/W/T) | 80 / 58 / 10 mm (approx. 3.1 x 2.3 x 0.4 inches) |
| UPC | 796926615878 |
9. Warranty and Support
For warranty information and customer support, please refer to the documentation provided at the time of purchase or contact the retailer/manufacturer directly. Keep your proof of purchase for any warranty claims.





