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It is not that the batteries are especially bad, it is that as owners we have no experience detecting dead batteries, except when they run a...
The (or a) solar panel could be wired to trickle-charge the Battery, but it should include a max-voltage "protection" to not overcharge the...
Read this string, then check your battery. 2002 Prius dead battery. | PriusChat If you have access to a digital volt meter, it would be a good...
The HV battery starts the engine. The 12 volt battery only starts the computers and the safety tests. It gets you to READY so the relays allow...
On a Prius the large hybrid battery uses one of the motor-generators to start the engine when needed. The 12 volt battery just powers the...
Clearly, the 12-Volt battery is doomed to go dead, due to this flashing. (I give it about 10 years!)
It’s an old car and an old battery. Only the dealer or good Prius shop will be able to advise you. But it could just be the 12 volt battery is dead.
I would use a battery saver! 8 months is a long time, you may come back with a dead 12 volt battery. Be safe.
Your car sat on a car lot for a while before you bought it. While it sat the battery died. When u came along they jumped it but it was already...
Thanks ! Didn't Know That. I will give that a try once I feel the 12 volt battery has recovered sufficiently to allow me to 'fiddle' with things...
Thanks to you too CivicQc. The thread you cite was one that I looked at. But I was a bit more bothered by the following thread: [IMG] 2010 II 12...
Just curious.... Could your "starter" battery be dead? I thought things like the dome lights, etc. were powered by the 12 volt battery?
So, if my 12 volt battery is completely dead, I can't charge it? I have to buy another one?
Dead 12 volt battery. If it's less than 5 years old you should try to recharge it, otherwise replace it.
I just replaced mine recently, it was in the 9 volt range after sitting overnight which is completely dead for a 12 volt lead-acid battery. It is...
Ursle's warnings are a good ones. I still can't believe the BS that the Toyota 800 number gave him. Please read the TSB at 2010 II 12 Volt...
The 12 volt battery runs the computers, once they are not getting a good 12 volts, they will be erratic. Do not hesitate to replace the 12 volt...
For a "startup" battery to attach up front, one could use a small 12-volt battery, right? How much current does it need to supply for the few...
The problem with this report is: You don't know without taking a voltage measurement AFTER the charging and startup attempt whether or not the 12...
...spends alot of time in purple bars? If you had a dead 12 volt battery nothing would work. No lights no nothing. Next time you think a car...
