HF-23 20mm torch LED board Single High Power LED DC 3.7V for Flashlight Torch Light Upgrade

Specifications  

• HF-23 20mm torch LED board
• Diameter: 20mm (star-shaped PCB)  
• LED Count: 1 high-power SMD LED  
• LED Type: High-power white LED (likely Cree/XPG style)  
• Power: ~3-5W (driven at 3.7V for torch brightness)  
• Input Voltage: DC 3.7-4.2V (Li-ion compatible)  
• Color Temperature: Cool White / Pure White  
• Luminous Flux: High brightness (estimated 800-1500 lumens)  
• Material: Aluminum star PCB for heat sinking  
• Mounting: 5 holes for screws/reflector fit  
• Terminals: + / – marked pads (multiple locations)  
• Lifespan: 50,000+ hours  
• Operating Temperature: -20°C to +60°C  
• Pack: 2 pieces (HF-23 model)  

Features  

• Compact 20mm star-shaped aluminum PCB for excellent heat dissipation  
• Single high-power LED chip for intense focused beam  
• DC 3.7V low voltage – direct fit for 18650 Li-ion battery torches  
• Bright cool white light with high lumen output  
• Pre-soldered + / – terminals on multiple sides for easy wiring  
• Durable aluminum base – reduces overheating  
• Comes in 2 pcs pack – great for spares or dual setups  
• Ideal for torch repair, flashlight upgrade, DIY portable lights 
• Upgrade your flashlight instantly with the 20mm HF-23 Torch LED Board from Dunia BD. This compact star-shaped aluminum PCB features a single high-power LED chip, delivering powerful, focused bright white light on just 3.7V DC – perfect for single 18650 Li-ion battery torches. The aluminum base ensures superior heat dissipation to maintain brightness and extend LED life during long use.  
• Easy to install with pre-marked + / – terminals – simply solder or connect to your torch driver/module. Ideal for repairing burnt-out flashlights, boosting old torch brightness, or building custom portable lights. Comes in a convenient 2 pcs pack for backups or multi-light projects. Reliable, bright, and affordable – shop authentic Dunia BD accessories with fast delivery across Bangladesh!  

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FAQ  

1. What is the size of this LED board?     
   20mm diameter star-shaped PCB.
2. How many LEDs are on it?     
   Single high-power LED chip for focused torch beam.
3. What voltage is required?     
   DC 3.7-4.2V (ideal for 18650 Li-ion batteries).
4. What is the approximate power?   
   Around 3-5W, optimized for torch brightness.
5. What color is the light?     
   Bright cool white / pure white.
6. Does it need a driver?     
   Depends on torch – many 3.7V torches use direct drive or simple resistor.
7. Is it suitable for flashlight upgrade?   
   Yes, perfect replacement/upgrade for most mini torches.
8. What is the lifespan?     
   Over 50,000 hours with good heat management.
9. How many pieces in pack?     
   2 pcs (HF-23 model).
10. Where to buy in Bangladesh?     
    Exclusively at Dunia BD with quick delivery.