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Alternate Battery
I had to replace the batteries in my Orion Led Illuminator the other day and I couldn't find the GP189'
So as one does I pulled the thing apart to find out what made it tick.
After a bit of simple circuit analysis I figured that instead of using 3x type GP189's totalling 4.5Volts I could use the 3.0Volts from 2 x LR44's and they fit in the same battery cavity.
I tried it and couldn't tell the difference.
If you'd like to save a couple of dollars.
Instead of paying for
$3.00 for each GP189.
How about $1.75 for each LR44 Alkaline Battery
or
$2.00 for each SR44 Silver Oxide Battery.
$9.00 vs $4.00
As an extra bonus the LR44 are easier to find and cheaper than the GP189's.
I've bought them in Woolies and Bunnings.
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