Black Oak LED 20 Inch D-Series LED Light Bar Review

Black Oak LED 20 Inch D-Series LED Light Bar Review
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BlackOakLED 20 Inch D-Series LED light bar review

Black Oak 20 Inch D-Series Dual-Row LED Light Bar

Imagine a 20 inch LED light bar that offers the highest-quality U.S. components and nearly 2.5 times the illumination of one of the best-known LED light bar makers in the business at almost half the price. It is not a fantasy, because that light is here. Black Oak’s dual-row 20-inch 200W LED light bar delivers 22,000 raw lumens of illumination from top-rated OSRAM LEDs in the toughest housing on the market.

Their 20-inch LED flamethrower utilizes 40 of the most powerful and most energy-efficient LEDs OSRAM makes. Order your light bar with either 5W or 3W LEDs to choose exactly the brightness you need. Couple those with your choice of three different computer-designed optics that deliver either a deeply-penetrating spot beam, a full-width flood pattern or a combination of the two. The Combo beam is, in fact, the most popular choice, since it provides the best of both worlds.

Even the best quality LEDs will not perform, however, without precisely tuned, high quality current control circuitry. Black Oak spares no expense ensuring their LED driver circuits keep every LED running cool with over 95 percent light output. Expect every LED in your new 20-inch light bar to meet or exceed its 50,000 hour lifespan. Before you reach for your calculator, that is over 5 years of continuous duty.

If Black Oak had stopped there, you would have the brightest, most reliable illumination on the market, but that was not enough. Black Oak surrounds their dual-row light bars with a torture-proof, heavy-duty single-piece aluminum housing that absorbs all the rocks, jolts, branches and other physical hazards of the trail or work site in stride. That housing includes an integrated, heavily-finned heat sink to wick away LED heat, which further extends their working life.

The cap it all off with a shatterproof, scratch-resistant polycarbonate lens, custom seal and a recessed stainless steel fastener between every 2×2 LED module. That is why this 20-inch light bar achieves the highest intrusion rating awarded in the industry: IP69K. It is completely waterproof, dust proof, ice proof and snow proof. Go ahead, submerge it in nine feet of water and it will not leak.

Until you lift your new light bar out of the box and feel the Black Oak quality, you may not believe how much more performance you can buy compared to their competitors. Their 30-day money-back guarantee and limited lifetime warranty is icing on the cake. Oh, did we forget to mention that they also offer a 20-inch D-Series dual-row curved light bar too?

featureKey Product Features

  • Two rows of 20 high-grade 3W or 5W OSRAM LEDs
  • Rugged aluminum housing with integrated LED heat sink
  • Meets IP69K intrusion and MIL810-STD military standards
  • 12,400 or 22,000 raw lumens of day-like illumination
  • Unbreakable polycarbonate lens
  • Vibration-free, corrosion-proof end brackets plus wiring harness
  • Money-back guarantee and lifetime warranty


  • Over twice the light of top competitors’ light bars of the same size
  • Three beam patterns from computer-designed optics
  • Withstands the harshest environmental conditions


  • No channel mounts

20-Inch D-Series LED Light Bar Technical Specs

led featuresNumber of LEDs: 40 5W or 3W top-quality OSRAM LEDs

led featuresWattage: 200W or 120W depending on LED size

led featuresMaximum current draw: 8.4A or 8.1A

led featuresWeight: 8.8 pounds

led featuresIllumination Power: 22,000 or 12,400 raw lumens

led featuresIP Rating: IEC standard 60529 IP69K intrusion rating

led featuresBeam Patterns Available: Flood, Spot or Combo beam patterns

led featuresAccessories: Heavy-duty end-mount brackets, fasteners and complete wiring harness

led featuresWarranty: 30-day money-back guarantee and lifetime limited warranty


led light bar applicationsMain trail or highway light mounted above windshield, over the vehicle cab, under the bumper or in the vehicle grill

led light bar applicationsTow truck or EMS scene lighting

led light bar applicationsHeavy equipment work site illumination

led light bar applicationsATV and UTV trail and campsite lighting

led light bar applicationsDocking/navigation light on boats

What’s in the Box?

The Black Oak D-Series 20-inch LED light bar package includes all you need for the perfect installation right from the box. Inside are detailed installation instructions, mounting brackets, mounting hardware and a full IP69K wiring harness with cable, Deutsch connector, switch, fuse and relay.


The Black Oak 20-inch light bar puts to shame larger light bars from the best LED light bar manufacturers in the market. Cheap, imported light bars do not even come close at twice the length. Instead of a feeble twilight, enjoy an intense bright white, night-bashing flood of illumination of the trail ahead. LED light bar reviews reveal the spot or combo beams are especially popular with off-road enthusiasts wishing to detect hazards or game hundreds of meters ahead even at high speeds.

This 20-inch light bar’s flood beam is often acclaimed in buyer reviews for setting a work site or campsite awash in void-free light. Many public service agencies install this size on the back or sides of their vehicles, such as ambulances, for clear nighttime scene illumination. Boat owners regularly mount these fore and aft as docking/landing lights or for navigating narrow waterways.

The ability to vertically adjust the beam without loosening fasteners makes aiming the beam a breeze. A few buyers wish it came with alternate mounting options besides end brackets, however.


It is easy to understand why Black Oak’s 20 inch LED light bar is one of their most popular products. It delivers top performance for so many purposes at an economical price. Why pay hundreds of dollars more for the same rugged build, top-quality components and less brightness? Black Oak is shaking up the LED light bar market with superior products that you cannot afford to pass by. The D-Series 20-inch light bar is sure to please and provide many years of reliable service.

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