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how to charge bat? - Page 2

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Posted by dbs__usenet on November 8, 2005, 5:57 am

Others have pointed out that it's a small battery in a compartment in
the left side of the trunk.  Very low capacity but also very low load.

I've hardwired a cigarette lighter plug to the battery.  I can use the
outlet to charge my cell phone or to jump the Prius battery.  Just for
grins, I bought an ISC brand solar battery charger and leave that plugged
in most of the time.  It sits behind the headrest in the back window.

Sometimes I get asked what the solar panel is for.  It smile and tell them it
is s triple hybrid.  Gas, electric or solar.


Posted by Jean B. on November 11, 2005, 4:02 pm
dbs__usenet@tanj.com wrote:

That's interesting.  So, one could plug in a solar trickle
down (IIRC) charger?  I got one free from a VW dealer.  I
gather they plug them in when the cars are stuck in the lot
for a really long time after the reach this country....

Jean B.

Posted by dbs__usenet on November 12, 2005, 1:55 am
That's exactly what mine has.  The car's accessory outlet (used to be
called a cigarette lighter) is not active when the car is turned off,
so plugging it in there does no good.  Attaching a few wires with an
accessory outlet to your battery terminals allows you to connect to
it directly.

My car is 3 years old and the 12volt battery still tests out to be 100%

Posted by richard schumacher on November 12, 2005, 1:34 pm
  dbs__usenet@tanj.com wrote:

One can also google a few people selling kits for modifying one of the
accessory outlets in this way.

Posted by mrv@kluge.net on November 10, 2005, 10:52 pm
 Look in your 2001 US Prius Owner's Manual, section 5 "In Case of an
Emergency," in the "If your vehicle will not start" section, pages
166-169 (which includes pretty diagrams on how to jumpstart/boost your
Prius).  12v battery is in the trunk, left side under some carpeting.

The Prius' 12v accessory battery (like every other car has) is used to
power the accessories (lights, fans, radio, alarm, etc.) and the
computers.  Unlike other cars' accessory batteries, though, it is not
used to start the car (so it is physically smaller and therefore easier
to drain), but it does start the computers.  The computers open a relay
that hooks up the 200+V hybrid traction battery, and it is really the
hybrid traction battery that starts the gasoline engine (using an
electric motor).

Since your 12v is probably original (showing its age), and it was left
in a degraded state for a while (unused for a long time, allowed to
discharge and sat that way), the 12v battery is probably going to give
you trouble in the future (won't hold its charge when sitting unused
for long periods of time).  Many people like carrying around a booster
pack (usually with a tire inflator or emergency flare light built in)
for this occurance, or to help another stranded motorist without
damaging their own vehicle.  But, you may have to buy a new 12v battery
in the future...

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