FIRST OF ALL; I AM NOT VERY GOOD AT EXPLAINING THINGS IN DETAIL.
for me, the choice was clear. i do not have a computer near my x-ray unit at the factory and did not want to spend alot of money on components, so, i used a 1300mah variable power adapter. i gutted a 901 battery, saving only the casing and brass end. i popped the center out of the brass and removed the rubber insulator. i then soldered a wire (long enough to go all the way through the casing, with an inch to spare) to the center piece, and after cooling, slid the rubber back on. then, i soldered the negative wire from the adapter to the inside edge of the outer brass. i seated the inner brass piece back into the outer brass piece and superglued it back into the casing. i then soldered the positive wire to one leg of a small flat pressure switch, i bought at radio shack. then soldered the positive wire from the adapter, to the opposite leg of the switch and mounted it to the lower side of the casing (after putting on 2 layers of electrical tape, so it wouldn't short out). i secured everything using electrical tape and heat shrink casings. it's not pretty, by any means (other than the huge amount of vapor it produces).
it has worked flawlessly and much better than the normal 901 batteries, for nearly a month, now. i just plug it in to the outlet at my unit or in the wall at home and set it on 4.5v's.
it was very cheap and easy to make, considering i have about a half dozen power adapters, just laying in a box in the basement, not being used. the only thing i had to spend any money on, was the switch, which was in a bag of 4, for $2.xx. the battery was already junk.
THIS WAS THE PERFECT SOLUTION FOR ME.
for me, the choice was clear. i do not have a computer near my x-ray unit at the factory and did not want to spend alot of money on components, so, i used a 1300mah variable power adapter. i gutted a 901 battery, saving only the casing and brass end. i popped the center out of the brass and removed the rubber insulator. i then soldered a wire (long enough to go all the way through the casing, with an inch to spare) to the center piece, and after cooling, slid the rubber back on. then, i soldered the negative wire from the adapter to the inside edge of the outer brass. i seated the inner brass piece back into the outer brass piece and superglued it back into the casing. i then soldered the positive wire to one leg of a small flat pressure switch, i bought at radio shack. then soldered the positive wire from the adapter, to the opposite leg of the switch and mounted it to the lower side of the casing (after putting on 2 layers of electrical tape, so it wouldn't short out). i secured everything using electrical tape and heat shrink casings. it's not pretty, by any means (other than the huge amount of vapor it produces).
it has worked flawlessly and much better than the normal 901 batteries, for nearly a month, now. i just plug it in to the outlet at my unit or in the wall at home and set it on 4.5v's.
it was very cheap and easy to make, considering i have about a half dozen power adapters, just laying in a box in the basement, not being used. the only thing i had to spend any money on, was the switch, which was in a bag of 4, for $2.xx. the battery was already junk.
THIS WAS THE PERFECT SOLUTION FOR ME.
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