[Official Compatible List] 9V Step-Up Cable for 7.4V & 8.4V Heated Jackets & Vests
Navigating heated apparel compatibility can be confusing. To ensure you make the right choice, we've created this official compatibility list for the 9V Step-Up Cable. This comprehensive guide will help you determine if this innovative adapter is the right solution for your heated gear.
Designed Specifically for Low-Voltage Systems
The Smarkey 9V Step-Up Cable is engineered exclusively for heated apparel operating on 7.4V or 8.4V systems. Its intelligent circuitry "excites" compatible power banks to deliver optimal 9V power, significantly extending your warmth time and improving heating performance.

✅ COMPATIBLE WITH: Heated Apparel
Popular Brands Confirmed Compatible:
- Ororo - All 7.4V & 8.4V heated jackets, vests, and hoodies
- Venustas - All 7.4V & 8.4V heated apparel systems
- Most Generic Brands - Any heated gear using 7.4V or 8.4V battery systems
Key Identification Method:
Check your original battery or jacket label for voltage specification. If it states 7.4V or 8.4V, this cable will work perfectly with your gear.
✅ COMPATIBLE WITH: Power Banks
Required Power Bank Specifications:
- Quick Charge 3.0 (QC 3.0) Technology
- Power Delivery (PD) Functionality
- USB-C Output Port
Recommended Power Bank Features:
- Minimum 10,000mAh capacity for substantial runtime
- Clear QC 3.0 or PD certification labeling
- Reputable brand with reliable power output
❌ NOT COMPATIBLE WITH: Heated Apparel
12V Systems Specifically Excluded:
- Craftsman 12V heated gear
- AEG 12V heated jackets
- Revean 12V systems
- Metabo 12V heated apparel
- Milwaukee 12V heated jackets
- Makita 12V heated gear
- Snap-on 12V systems
Exclusion Reasons:
- Voltage requirements differ (12V vs required 9V)
- Physical connector sizes are incompatible
- Electrical specifications don't match
❌ NOT COMPATIBLE WITH: Power Sources
Incompatible Power Banks:
- Standard 5V power banks (USB outlet 1.0A, 2.0A, 2.1A, 3.0A)
- Older generation power banks without QC/PD technology
- Power banks with only USB-A output ports
- Basic charger blocks without power delivery capability
Why They Don't Work:
These power sources cannot provide the required 9V output that the cable needs to function properly with your heated apparel.
Troubleshooting: Common Compatibility Issues
Problem: "My jacket doesn't heat up with the cable"
Solution:
- 95% of issues are due to using a non-compatible power bank
- Verify your power bank has genuine QC 3.0 or PD functionality
- Check for proper certification markings on your power bank
Problem: "The connector doesn't fit my jacket"
Solution:
- Confirm your jacket uses a 7.4V or 8.4V system
- 12V systems have different physical connectors
- Check your jacket's original battery for voltage specifications
Verified Compatibility Assurance
Our 9V Step-Up Cable has been tested and verified with numerous heated apparel systems. The compatibility list above is regularly updated based on user feedback and additional testing.
Before Purchasing, Always Verify:
- Your heated jacket/vest voltage (7.4V or 8.4V)
- Your power bank specifications (QC 3.0 or PD required)
- Your jacket isn't from the excluded 12V brands list
Why Compatibility Matters
Using the correct 9V Step-Up Cable with compatible gear ensures:
- Optimal heating performance and efficiency
- Safe operation without risk of damage
- Maximum battery life extension
- Reliable, consistent warmth
- Protection for your heated apparel investment
This official compatibility list takes the guesswork out of selecting the right power solution for your heated gear. By choosing the 9V Step-Up Magic Cable for compatible 7.4V and 8.4V systems, you're ensuring optimal performance, extended runtime, and complete peace of mind.