
How Far Can Wireless Chargers Work? Complete Distance Guide
Modern wireless charging technology, like the InvisQi wireless charger, can effectively charge through substantial distances. Understanding these ranges is crucial for optimal installation and performance.
Maximum Charging Distances
Standard Ranges
- Maximum distance: 30mm (1.18 inches)
- Optimal range: 18-20mm (0.7-0.8 inches)
- MagSafe optimal: 18-20mm (0.7-0.8 inches)
- Minimum effective: 18mm (0.7 inches)
Material-Specific Ranges
Distance Through Materials
- Wood: Full 30mm capability
- Glass: Full 30mm capability
- Stone: Up to 30mm (density-dependent)
- Composites: Up to 30mm (composition-dependent)
Efficiency at Different Distances
Power Output vs Distance
- 18-20mm: 90-100% efficiency
- 21-25mm: 80-90% efficiency
- 26-30mm: 70-80% efficiency
- >30mm: Significant power loss
Commercial Applications
Business implementation distance factors:
Installation Considerations
- Surface thickness measurement
- Material density testing
- Power distribution planning
- Multiple device spacing
Performance Factors
Distance Influencers
- Material density
- Environmental conditions
- Device compatibility
- Power requirements
Optimization Tips
Maximum Range Achievement
- Precise measurement
- Proper alignment
- Regular testing
- Environmental control
Future Developments
Technology Advances
- Qi 2.0 implementation
- Extended range capabilities
- Improved efficiency
- Enhanced power delivery
Conclusion
While wireless chargers can work through up to 30mm of material, optimal performance is achieved at 18-20mm, particularly for MagSafe devices. Understanding these distances ensures successful implementation and reliable charging performance.