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Posted by Bob & Holly Wilson on April 13, 2008, 12:09 pm
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> This sucker started going dead on my 2001 if I didn't use the car for
> more than a day or so. It just apparently lost capacity over 7 years
> and couldn't keep up with the theft deterrent and other "off use"
> electronics. So I had to pay $335.37 to Toyota for a replacement. Nice
> Hugh! The new is different from the original (hope it's upgraded
> capacity!) and required special new mounting hardware which they
> didn't stock (natch!). Three days and all that dough just to change a
> 12V battery (sheesh!). Any one with similar experience?
That is a shame but last year over in "Prius Technical Stuff" we looked
at servicing the 12 V battery. I took mine out; removed the "Do Not
Remove" seal; took out the little plugs; and added distilled water; and
put it back together.
Eventually my 12 V battery will fail and when it does, if water
rehydration doesn't work, I'll buy a $25-35 lawn tractor battery and
copper piping from Lowe's. I'll fabricate two adapters and use the
cheaper battery.
There is an adapter that allows you to use a Miata battery in your
Prius. This brings the price to about $90 the last time I checked. But
for my purposes, a sealed, lawn tractor battery with vent tube will work
good enough.
Bob Wilson
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