Upgrade Your Heated Gear Experience with Smarkey's Heated Jacket 5V Step-Up 9V Adapter Cable

As winter sets in, the warmth provided by heated jackets, vests, and hoodies becomes a necessity for outdoor enthusiasts. Smarkey introduces an innovative solution with the Heated Jacket Voltage Step-Up Adapter Cable, designed to elevate your heated gear experience by offering compatibility with QC 3.0 Power Banks or PD function Power Banks. However, it's essential to understand the specifics before making a purchase.

Key Features:

  1. Voltage Step-Up Capability: The Smarkey Heated Jacket Adapter Charger Voltage Step-Up Cable is engineered to step up the voltage from 5V to 9V. This feature ensures optimal performance for heated gear, including heated vests, hoodies, and jackets. Say goodbye to the limitations of your original battery and embrace a longer working time with this innovative cable.

  2. Compatibility Attention: Before making a purchase, it's crucial to note that this adapter cable exclusively works with QC 3.0 Power Banks or PD function Power Banks. It does not support older power banks with USB outlets rated at 1.0A, 2.0A, 2.1A, or 3A. Ensure your power bank aligns with the specified requirements for seamless functionality.

  3. Fit for Specific Heated Jackets: The Heated Jacket 5V Step-Up 9V Adapter Cable is tailored for most 7.4V or 8.4V heated jackets. It's essential to pay attention to the compatibility list, as it does not fit certain brands such as Milwaukee, M12, Dewalt, Makita, Snap-on, Metabo, Craftsman, and AEG heated jackets. The cable plug port supports 4.0mm/3.5mm jacket connectors.

  4. Cost-Effective Solution: The magic of this Heated Jacket Step-Up Adapter Cable lies in its ability to connect with your existing QC 3.0 Power Bank or PD function Power Bank. This not only saves you money but also provides a convenient replacement battery pack solution for most 7.4V/8.4V heated jackets.

  5. Versatility and Convenience: No more hassles of constantly switching your original heated jacket battery. With this magic adapter cable, you have the flexibility to use your flat power bank, offering extended working time compared to the original battery. The versatility and convenience make it an attractive choice for those seeking an upgrade.


Smarkey's 9V Heated Jacket Step-Up Adapter Cable is a game-changer in the realm of heated gear. Offering compatibility with QC 3.0 Power Banks and PD function Power Banks, this cable opens up new possibilities for users seeking a cost-effective and versatile solution. Upgrade your heated gear experience today and enjoy longer-lasting warmth during chilly winter days with Smarkey's innovative Heated Jacket Step-Up Adapter Cable.