When selecting COB light strips, voltage is a crucial factor. The market predominantly offers 12V COB LED strip and 24V COB LED strip variants. So, which is better? We compare their performance, applications, energy efficiency, and safety to guide your choice.
Key Differences Between 12V VS 24V LED Strip
COB light strips are high-density, seamless LED solutions. The primary distinctions lie in their power supply and electrical behavior:
– 12V COB LED Strip: Use groups of 3 LEDs in series, operating at 12V.
– 24V COB LED Strip: Configured with longer LED series, operating at 24V.
Brightness and Light Decay Comparison
– Brightness: Both voltages deliver similar luminosity, contingent on LED chip quality and power density.
– Light Decay:
– 24V COB LED Strip Light: Lower current reduces heat generation, slowing light decay and extending lifespan.
– 12V COB LED Strip: Higher current may accelerate light decay over time.
Voltage Drop and Effective Length
| Aspect | 12V LED Strip | 24V LED Strip Lights |
| Operating Voltage | 12V | 24V |
| Current | Higher | Lower |
| Voltage Drop | More significant | Less significant |
| Max Recommended Length | <5 meters | >5 meters |
| Heat Generation | Higher | Lower |
| Safety | Low voltage (safer) | Low voltage (safe) |
Applications:
– 12V LED Strip Lights: Ideal for short runs such as 5 meters (e.g., cabinet lighting, DIY projects).
– 24v LED Strip Max Length: Better for extended layouts such as 10 meters (e.g., commercial/architectural lighting).
Energy Efficiency and Heat
– 12V dc LED Strip Lights: Higher current increases heat, requiring robust heat dissipation.
– 24vdc LED Strip: Lower current enhances energy efficiency and reduces thermal output.
Safety Considerations
Both voltages fall within safe ranges. However:
-12V COB LED Strip: Preferred for child-friendly spaces or automotive use due to ultra-low voltage.
– 24V COB LED Strip: Safe for general use, with minimal risk of electric shock.
Conclusion: How to Choose24v VS 12V LED Strip?
– Short Runs (<5m): Opt for 12V LED strip for cost-effectiveness and simplicity.
– Long Runs (>5m): Choose 24V LED strip to minimize voltage drop and ensure stability.
Final Thoughts
Both 12V COB LED strip and 24V COB LED strip have distinct strengths. Align your choice with project scale, budget, and durability needs. For tailored solutions, consult reputable LEMON LED strip manufacturer offering certified LED products.




