52x48mm 20W LED Board 40 SMD 5630/5730 DC 3.7V High Power Module for DIY Emergency Light Battery

Specifications  

• 20W LED board
• Dimensions: 52mm x 48mm (rectangular PCB)  
• LED Count: 40 SMD 5630 / 5730 LEDs  
• LED Type: SMD 5630 (equivalent to 5730 high-power white)  
• Power: 20W  
• Input Voltage: DC 3.7-4V (low voltage battery compatible)  
• Color Temperature: Cool White / Pure White (GY-7173 typical)  
• Luminous Flux: High output (estimated 1500-2500 lumens)  
• Material: PCB with components (resistors for current limiting)  
• Mounting: Screw holes or direct fit  
• Lifespan: 50,000+ hours  
• Operating Temperature: -20°C to +60°C  
• Current: High drive approx. 5A+ at 3.7V for 20W  

Features  

• Rectangular 52x48mm size for easy fit in custom fixtures  
• 40 high-brightness SMD 5630/5730 LEDs for intense uniform light  
• Low DC 3.7V input – perfect for single Li-ion/18650 battery  
• High power 20W output with strong illumination  
• Efficient design with low heat (onboard resistors/current control)  
• Long lifespan up to 50,000 hours  
• Simple + / – terminals for easy wiring  
• Ideal for emergency lights, portable torches, DIY camping lamps, power failure lights 
• Light up emergencies or DIY projects with the powerful 52x48mm 20W LED Board from Dunia BD. Featuring 40 premium SMD 5630/5730 LEDs arranged in a compact rectangular PCB, this module delivers super bright white light at just 20W under low DC 3.7V input – ideal for single 18650 Li-ion battery powered emergency lamps, portable torches, camping lights, or power outage solutions.  
• The high-density LED layout ensures even, intense illumination without dark spots, while the efficient low-voltage design maximizes runtime on rechargeable batteries. Easy to connect with clear + and – terminals – no complex drivers needed. Durable and reliable for home, travel, or workshop use in Bangladesh. Get authentic quality with fast nationwide delivery from Dunia BD!  

What is the price of 52x48mm 20W LED Board 40 SMD 5630/5730 DC 3.7V High Power Module for DIY Emergency Light Battery in Bangladesh?

The latest price of 20W LED Board 52x48mm 40 SME LED in Bangladesh is Product ID is required. taka for 1 Piece. You can buy this product at better and cheaper price from our website and also you can visit our warehouse between work hours 10am to 8pm.

Buy 52x48mm 20W LED Board 40 SMD 5630/5730 DC 3.7V High Power Module for DIY Emergency Light Battery in Bangladesh from online at Dunia.com.bd.

In Bangladesh, you can get original 20W LED Board 52x48mm 40 SME LED From Dunia.com.bd . We have few collection of latest LED Module to purchase. Order LED Encapsulation Series Online at our website Or Visit our warehouse to get your product at lowest price.

FAQ  

1. What is the size of this LED board?     
   52mm x 48mm rectangular, compact for DIY fits.
2. How many LEDs are there?     
   40 high-brightness SMD 5630/5730 LEDs.
3. What voltage does it require?     
   DC 3.7-4V (perfect for 18650 or Li-ion batteries).
4. What is the power consumption?   
   20W total for strong bright output.
5. What color light does it emit?     
   Bright cool white / pure white.
6. Is a driver needed?     
   No, direct DC battery connection (current managed onboard).
7. Suitable for emergency lights?   
   Yes, excellent for battery backup or portable emergency lamps.
8. What is the lifespan? 
   Over 50,000 hours with proper use.
9. Can I use it for DIY projects?     
   Absolutely, easy wiring and versatile size.
10. Where to buy in Bangladesh?     
    Available at Dunia BD with quick delivery.