Ultra Long COB Strip
Long Run Dotless COB LED Strip for Large-Scale Linear Lighting Projects
Ultra long COB strip engineered for extended runs, reduced voltage drop, fewer power feed points and smooth dotless light output in commercial, architectural and hospitality projects.
- Ultra long dotless COB LED strip
- 24V constant current option & 48V single-end 20m reference option
- Reduced voltage drop for long runs
- 480 LEDs/m, 8mm PCB, 50mm cut length reference options
- Ra≥90 white light performance with OEM / ODM support
Ultra Long COB Strip Supplier & Manufacturer
At Xmart, we provide end-to-end support for ultra long COB strip development and mass production. From COB encapsulation to long-run circuit design, voltage planning and batch testing, our engineering team helps lighting brands, distributors and project buyers build reliable long-distance dotless LED strip solutions.
Long-Run COB Engineering
Support 24V constant current and 48V long-run COB strip designs for extended linear lighting projects.
Voltage Drop Control
Optimize voltage, circuit layout, wattage and power feed logic for better brightness consistency.
OEM / ODM Support
Custom voltage, PCB width, wattage, CCT, CRI, cable, connector, reel length, label and packaging.
Bulk Project Supply
Stable production, sample verification and repeat-order consistency for commercial and architectural lighting projects.
What Is an Ultra Long COB Strip?
An ultra long COB strip is a dotless COB LED strip designed for longer continuous lighting runs with reduced voltage drop and improved brightness consistency.
Compared with standard COB strips, it uses long-run circuit design such as 24V constant current or 48V power architecture to reduce the need for frequent power injection.
Ultra long does not simply mean a longer reel. It means the strip, voltage, wattage, PCB layout, cable length, driver capacity and installation plan must be engineered together for stable long-distance performance.
Why Long Run COB Strips Need Special Design
As LED strip length increases, electrical resistance causes voltage drop. Voltage drop can lead to dimmer light at the far end, color shift, unstable performance and more complicated installation. Ultra long COB strips are designed to reduce these issues by using higher voltage, optimized circuit design, lower current and proper power planning.
Reduced Voltage Drop
Helps maintain more consistent brightness over longer distances.
Fewer Power Feed Points
Reduces wiring complexity and installation labor.
Lower Current Design
48V systems can reduce current for the same power level compared with lower-voltage systems.
Cleaner Installation
Useful for coves, corridors, hotels, malls and large architectural lines.
Important note: No long-run LED strip is completely free from electrical planning. Driver capacity, run length, cable size and power feed method still need to be confirmed before installation.
Ultra Long COB Strip vs Standard COB Strip
| Comparison Items | Ultra Long COB Strip | Standard COB Strip |
|---|---|---|
| Main Value | Longer continuous runs with reduced voltage drop | General dotless COB illumination |
| Run Length | Designed for extended installation lengths | Usually shorter standard runs |
| Power Planning | Fewer power feed points, but still needs calculation | More frequent power feed or shorter circuits |
| Best For | Long coves, corridors, hotels, malls, commercial facades | Cabinets, shelves, short coves and furniture lighting |
| Buyer Concern | Voltage drop, driver capacity, cable length, run length | CCT, CRI, brightness and installation |
Conclusion: Choose Ultra Long COB Strip when the project needs dotless lighting across long continuous runs. Choose standard COB strip when the installation length is short and power feed complexity is not a concern.
24V Constant Current vs 48V Ultra Long COB Strip
| Comparison Items | 24V Constant Current COB Strip | 48V Ultra Long COB Strip |
|---|---|---|
| Main Purpose | Improve current stability and brightness consistency | Support longer runs with lower current and reduced voltage drop |
| Reference Use | Long but moderate-distance commercial lighting | Extended runs such as 20m single-end power reference projects |
| Voltage | 24V DC | 48V DC |
| Reference Power | 7.5W/m reference option | 8W/m reference option |
| Best For | Projects needing stable output and standard 24V ecosystem | Large-scale projects needing fewer power feeds |
| Buyer Concern | Controller/driver matching and constant-current circuit design | 48V driver availability, safety, cable length and run planning |
Conclusion: Use 24V constant current COB strip when the project prefers a 24V system with improved current stability. Use 48V ultra long COB strip when the project needs longer runs and fewer power injection points.
Ultra Long vs 48V COB Strip
A 48V COB strip is one common way to achieve ultra long run performance, but not every ultra long COB strip must be 48V. Some long-run designs use 24V constant current circuits, while others use 48V architecture for longer continuous runs.
Ultra Long COB Strip:
A broader product concept focused on long-run performance.
48V COB Strip:
A specific voltage solution that helps reduce current and voltage drop.
Conclusion: 48V is a strong long-run solution, but buyers should still confirm wattage, run length, driver capacity, cable size and installation method.
Ultra Long vs High Efficiency COB
Conclusion: Ultra long focuses on distance. High efficiency focuses on energy performance. For large projects, both factors should be considered together.
Ultra Long COB Strip Specifications
Note: Reference values are based on supplied COB catalog information. Final run length, voltage drop, brightness consistency and power method should be confirmed through Xmart datasheet and sample testing.
Ultra Long COB Strip Product Options
24V Constant Current COB Strip
Long-run COB strip option designed for improved current stability and more consistent brightness in standard 24V lighting systems.
Reference Specs:
24V, 480 LEDs/m, 8mm PCB, 7.5W/m, 50mm cut length, Ra≥90, 27K-60K.
48V Ultra Long COB Strip
Long-run COB strip option designed to reduce current, reduce voltage drop and support extended continuous runs with fewer power feed points.
Reference Specs:
48V, 480 LEDs/m, 8mm PCB, 8W/m, 50mm cut length, 20m single-end power reference, Ra≥90, 27K-60K.
Where to Use Ultra Long COB Strip
Architectural Cove Lighting
Long continuous lighting lines with fewer power feed points and smoother installation.
Commercial Cove Lighting
Dotless COB lighting for large ceiling coves and long architectural lines.
Retail & Malls
Continuous linear light across large spaces with reduced wiring complexity.
Office & Public Spaces
Long-run dotless lighting for corridors, reception areas and commercial interiors.
Architectural Linear
Extended light lines for walls, ceilings, facades and decorative structures.
Large-Scale OEM Projects
Suitable for lighting brands and contractors building repeatable long-run linear lighting systems.
Start ProjectVoltage Drop & Power Planning
Ultra long COB strip performance depends on voltage, wattage, cable length, driver capacity, copper thickness and power feed method. Even with 48V or constant current design, project engineers should calculate total wattage and check brightness consistency before installation.
Run Length
Confirm total continuous length per power feed.
Total Wattage
Multiply W/m by total meters and add driver safety margin.
Cable Size
Choose suitable cable size (AWG) for current and distance.
Power Feed Method
Use single-end, dual-end or power injection based on project.
Driver Capacity
Match driver voltage and wattage with proper margin (usually 20%).
Brightness Consistency
Test sample runs before bulk project installation.
Ultra Long COB Strip Power and Wiring Diagram
1. 24V Constant Current COB Strip Wiring
Note: Confirm total wattage, cable length, current stability and dimmer compatibility before installation.
2. 48V Ultra Long COB Strip Single-End Power
Note: A 48V long-run design can reduce current and support longer continuous runs, but driver capacity, cable length and brightness consistency still need to be verified.
3. Extended Run With Power Injection
Note: For very long or high-load projects, power injection or multiple drivers may still be required depending on wattage, distance and project tolerance.
Dimming and Control Compatibility
Ultra Long COB Strips can be used with suitable dimmers or control systems, but the driver, dimmer, voltage and total load must match correctly.
PWM Dimming
Common for low-voltage COB strip dimming.
0-10V / DALI System
Can be used when matched with suitable dimmable drivers or controllers.
Single Zone Control
Suitable for long continuous runs controlled together.
Multi-Zone Control
Suitable when large projects need separate areas or scenes.
Important note: Confirm dimmer load capacity, PWM frequency, flicker requirement and driver compatibility before sampling.
Not Just Longer. A Complete Long-Run System.
An Ultra Long COB Strip should not be selected alone. It must match the LED driver, voltage, dimmer, cable, connector, aluminum profile, mounting method, run length and installation environment.
Driver Matching
Confirm 24V or 48V output, wattage and safety margin.
Cable Matching
Confirm cable length, cable size and voltage drop.
Thermal Matching
Use aluminum profile or suitable mounting surface for stable operation.
Connector Matching
Confirm connector type and current capacity.
Dimming Matching
Confirm dimmer and driver compatibility.
Installation Matching
Confirm profile size, diffuser, adhesive, cable route and cut length.
Custom Ultra Long COB Strip for OEM / ODM Projects
Custom Voltage
24V constant current or 48V long-run design based on project needs.
Custom Run Length
Configure product according to target continuous run length.
Custom Wattage
Balance brightness, heat and voltage drop.
Custom PCB Design
Custom PCB width, copper thickness and circuit layout.
Custom CCT
2700K, 3000K, 4000K, 6000K or project-specific white light.
Custom CRI
Ra80, Ra90 or higher CRI by project requirement.
Custom Cable & Connector
Pre-soldered cable, extension cable and installation-ready assemblies.
OEM Packaging
Private label, reel label, datasheet, carton and brand packaging support.
What Buyers Should Confirm Before Sampling
- What continuous run length is required?
- Is 24V or 48V preferred?
- Is the project single-end power or dual-end power?
- What wattage per meter and brightness consistency tolerance is acceptable?
- What CCT, CRI, driver, and dimming method will be used?
- Are aluminum profiles, waterproof protection or OEM packaging required?
Common Problems in Ultra Long COB Strip Projects
Problem: Far end brightness is lower
Solution: Use 48V design, proper cable size, power injection or shorter power zones.
Problem: Buyer assumes 48V solves everything
Solution: Still calculate total wattage, cable length, voltage drop and driver capacity.
Problem: Heat builds up in long coves
Solution: Check wattage, aluminum profile, airflow and installation surface.
Problem: Dimming is unstable on long runs
Solution: Match dimmer, driver and total load; test the full run before bulk order.
Problem: CCT varies across project batches
Solution: Confirm CCT binning, SDCM tolerance and repeat-order production control.
Related Products for Long-Run COB Lighting Projects
COB LED Strip
Parent category for dotless COB strip options including mono, tunable white, RGB, RGBW, SPI and 48V COB.
48V COB LED Strip
Specific voltage solution for longer runs and reduced voltage drop.
High Efficiency COB Strip
For projects that need better lm/W and lower energy consumption.
DMX512 COB Strip
For projects needing maximum dotless uniformity and stronger visible output.
Tunable White COB Strip
For long-run warm-to-cool white lighting systems.
LED Driver
Provides stable 24V or 48V power for ultra long COB strip systems.
LED Controller
Provides dimming and zone control logic.
LED Connector
Supports clean cutting, extension and installation wiring.
LED Aluminum Profile
Improves mounting, heat dissipation and light diffusion.
FAQ About Ultra Long COB Strip
What is an Ultra Long COB Strip?
How is Ultra Long COB Strip different from standard COB strip?
What is the difference between 24V constant current and 48V ultra long COB strip?
Why does 48V help reduce voltage drop?
Does ultra long COB strip need power injection?
Can Xmart customize Ultra Long COB Strip for OEM projects?
Need an Ultra Long COB Strip for Your Project?
Tell us your required run length, 24V or 48V preference, wattage, CCT, CRI, driver type, dimming method, cable length, installation profile and OEM packaging needs. Xmart can help configure a reliable ultra long COB strip solution for your project.
Email Us
tenly@xmartlighting.com
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18520999956
Factory Address
Pho Yen City, Thai Nguyen Province, Vietnam
LED Strip Lighting
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Direct from our Vietnam and China facilities. Flexible OEM/ODM LED strip solutions engineered for UL, CE, CB, RoHS, and project-specific requirements.
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