I'm building a led light panel using 24 x 18W SMD 5630 72LED Rigid Light Strip Tube Bar Lamp Bright White 12V 1800LM connected in parallel so whats the power supply rating

Specifications for each lights strip:

  1. Key Features: LED Light
  2. Light Source: 72 LED 3.LED Size: SMD 5630
  3. Luminous Flux: 1800LM
  4. Output Power: 18W
  5. Voltage: 12V
  6. Light Color: White
  7. Color Temperature: 6000K
  8. Lifespan: 30000-50000 Hours
  9. Material: PC & Aluminum
  10. Dimensions: (100 x 1.8 x 1.5)cm / (39.37 x 0.71 x 0.59)" (L x W x H)
  11. Weight: 6.7oz / 190g
  • 1
    \$\begingroup\$ Why don't you provide a link for the data sheet? \$\endgroup\$
    – Andy aka
    Commented May 3, 2016 at 16:37

1 Answer 1


Well, 24 x 18W = 432W. Then 432W / 12V = 36A.

So you need a power supply rated 12V at a minimum of 36A.

That's one serious light panel you're creating.

  • \$\begingroup\$ or 24V 18A or 48V 9A etc. for series strings \$\endgroup\$
    – Sam
    Commented May 4, 2016 at 3:32

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