Tag Archives: LED

Gadgets, Product Reviews

MIFMIA LED headlamp bulbs

https://youtu.be/wvx2luWeL1Y

At about 80k miles, I replaced the headlight bulbs in my KIA Sorrento 2019 with similar Sylvania H7 halogen bulbs. Most newer cars have switched to LED bulbs so I was interested in upgrading my lights to LEDs but many require cooling fans and “ballast” boxes containing controller electronics which make it difficult to fit into light housings without modification.

I found these H7 replacement bulbs by MIFMIA, a brand I’m not familiar with. Testing them out I found that their design was indeed identical length and form factor to halogen H7 bulbs. They fit in my housing and installed without issue. Their beams were brighter than the halogen bulbs and provided a whiter/bluer light.

Unfortunately my KIA’s computerized diagnostics system registered an error and displayed a warning light that my headlamp bulbs were burned out/disabled. These MIFMIA bulbs were returning an incorrect voltage signal to the car’s diagnostics and setting off a false alarm. Unfortunately they didn’t work for my 2019 KIA but they may work for your car.

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Product Reviews

100W LED Work Light?

I bought a generic LED worklight off of Amazon. They are sold under various brand names. It is a battery-powered LED outdoor/shop light that claims to output the equivalent of a 100W work light. But unlike old school light, this work light is internally powered, which offers versatility in it’s placement location.

My initial impressions of the unit when taking it out of the box was that it felt light and cheap plastic. I doubt that it would survive a typical commercial construction site for very long. I did not do a drop test from 1m onto a concrete floor but I doubt the housing or or solar panels would likely not survive the fall intact.

My goal was to determine its usefulness in my home repairs and garage projects. I tested the unit and had difficulty confirming it’s brightness in my DIY flashlight lumen testing rig due to it’s large size. I got a reading of 364 lumens which is far less than the 3000 lumen advertised and a fraction of an old school halogen bulb (100,000 lumens). My naked eye estimate was that it output closer to a 40W.

After fully recharging the unit it ran for 270 minutes with both warm and cold LED lights on. The next day, I placed the unit’s panels in direct sunlight for 6hrs and found it was 2/3 recharged. I was initially dubious of the usefulness of the solar panel but in an emergency situation, the unit could provide lighting for a good +4hrs after spending a day in the sun.

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