GEPLAD 2-Pack 250W E39 Mogul Base LED Bulb, 5000K Daylight 35,000LM LED Corn Light Bulb(Eqv.1000w Mh/Hps/Hid), for Garage Factory Workshop Warehouse Barn(Non-Dimmable)

I'm always skeptical of lumen output ratings from less known manufacturers. I bought these for my garage as I am doing some painting with an air gun and the lighting we currently had made it hard to see when painting after dusk. These bulbs are exceptionally bright and do seem equatable to 50W wallpack lighting I've used before. Definitely recommend for anyone needing high output lighting on an E26 base. One note I'd leave is most E26 bases are only rated for 60W so these bulbs are near the max you'd want to utilize.

I have purchased 5 of these lights so far and we absolutely love them. We replaced some mercury halide light bulbs with these and wow what a difference. Instant on, super bright, very low energy use. The only problem we've had with them is one of the lights seems to dim sometimes and will visibly turn brighter. I love how these lights come with a picture diagram showing you how to convert a fixture from a ballast to not needing the ballast and using an led light bulb.

As advertised. They work well

I had an electrician come and install these lights, knowing the ballast needed to be removed and they are too high for us to get at. These lights were great at first. After the first week, the first one died and would no longer light. Three more weeks later, another one went out. The last one finally went out about five weeks after the installation. I love the way these light up the yard, and I hope replacing them will fix the problem.Support is really bad after you have passed the return time.

They are very Bright I got the 400W..But they seem to randomly deem down then get brighter back and forth. Not sure if that's the way it's designed to prevent overheating?

I have used this bulb for several months with power cycling every day and keeps working flawlessly. Good quality.

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Nice and bright, but the fan is obnoxiously loud. Pretty annoying. You could barely hear the fan in others that I bought. I probably wouldn’t buy this one again.