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Makita Flashlight Mod

bonneyman

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Since discovering the Makita Blue flashlights I've been hooked! Though I had a stick battery drill for years, I wasn't aware that Makita had developed a whole line of tools that used the same stick battery. By the time I learned that there was a flashlight that could use the stick battery I'd donated my drill and charger to someone who had their tools stolen.
I wasn't too sad - the quality of the 9.6 volt sticks were dropping, and just about every maker had gone to higher and higher voltages. I still liked the thinness of the Makita drill handle, but, had gone back to corded drills.
Then the flashlight. Loved the pivoting head of the ML903 - I could stand it up and direct the light where needed while keeping both hands free (changing a flat at night, working inside a doark furnace closet, etc). So I thought about modifying the thing to use standard 9 volt transistors batteries.
Found one at a pawn shop for $5 in mid-2015. Figured if my mod didn't work I wouldn't loose much. Took some effort, but the thing works great! So well, in fact, that I started looking for another candidate.
Forum member notlob said he had one that he wasn't using, and I could have it for shipping. He sent it, and I sent him some funds and a Bell System screwdriver set I had laying around gathering dust. It arrived last week, and I finished the modding work today.

Its a model ML900. Non-pivoting head, but the reflector is about 20% larger and has a carrying strap. Here it is alongside my other pivot model.
 

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bonneyman

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The bulb was burned out, and so I modified the reflector plug to accept a standard flange bulb in 9.6 volt. In the photo you'll see two pieces of wire I'm using to take up a gap and interlock as it were with the original plug while holding the bulb in position. Will take a little doing when changing bulbs but maybe I'll go to LED when that happens.

Also the on/off switch was toast. I took a small rocker switch I had in a junk bin and modified the hole to accept it. A little creative placement of parts in the head, and wa-la, it's in. And doesn't look half bad! lol
 

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bonneyman

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I had room for four 9 volt batteries stacked 2X2, with some drawer liner as spacer and shock absorber. This should give me plenty of life (I figure about 3-4 hours of continuous use), and changing them is a 5 minute job. You flip open the base clip, pull the four batteries out and swap in new ones on the standard 9 volt plugs. (This also serves as a test for possible 36 volt LED chip use in the future, as the handle will hold the four cells).

Another side feature with this mod is they act as battery storage. I use several electric meters that use 9 volt cells. And there are a number of thermostats out there that need 9v to function right. If I'm caught short of 9v batteries, I can cannabalize one out of a flashlight and it doesn't affect the brightness - only the life of the charge is affected. I can run the lights on 1,2,3, or 4 cells with no problems. Plus, it serves as a great emergency flashlight, just in case my house C and D flashlights are dead right when you need 'em. It's a good idea to have several different powered lights just in case of a shortage or crisis.

Thanks again to notlob!
 

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