Re: Convert 12-14 vdc to 9 vdc for a device only needing 0.3ma...

On Dec 30, 3:20 pm, Jan Panteltje <pNaonStpealm...@xxxxxxxxx> wrote:
On a sunny day (Tue, 30 Dec 2008 12:29:59 -0800 (PST)) it happened linnix
<m...@xxxxxxxxxxxxxxxxxx> wrote in
<b7358572-bfc0-4426-90e3-dc2036230...@xxxxxxxxxxxxxxxxxxxxxxxxxxx>:

or are you planning large quantities?

If I have my way, it will be in every car battery and dash board.
Also, there will be audio input jack and usb power outlet in every
junk box (that come with all car) they called the radio.
Auto makers are decades behind the curve.

I remember Duracell had batteries with an indicator.
You could press it, and it would show how much was left in the battery.
It was a thermal strip that changed colour, so it emptied the batteries too,
increasing sales of course...
If you can make it cheap enough it may work., although few people will open
their car an look at the battery... In the dashboard..
do the majority of people even know what a battery *is*,
and if their car has one ???

Even my wife knows about the car battery, but nothing else. My
corolla has analog meter, but difficult to tell the exact reading.
Her Luxus does not even have analog meter. After her last dead
battery, she is well informed about monitoring the voltage. My meter
plugs into the cigarette socket. She will let me know if the reading
is below 11V. Just to be sure, I would probably wire a three color
led based on the battery voltage. She wouldn't ignore it if the color
turns yellow or red.
.

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