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Toyota Camry Hybrid Battery Pack Questions

144 messages,  Last post on Aug 14, 2012 at 10:30 AM

You are in the Toyota Camry Hybrid Maintenance & Repair Forum.

What is this discussion about? Toyota Camry Hybrid, Hybrid Cars, Sedan

Messages Page 13 of 15

#116 of 144 Re: 2007 Camry Hybrid Owners [cdn_tch] by bbillin

Mar 22, 2011 (8:37 am)

Replying to: cdn_tch (Jun 02, 2010 2:30 pm)
Hi there,
 
I read you have a 2009 TCH. Mine went totally dead in the garage. They jump started it and I took it to Toyota service to slowly charge the 12v. They told me it is charging very slow and I might need a new 12V. The car has been driven quite a bit but was in the garge for a month and I think that's how it went dead. Even if the 12V doesn't charge up to 100%, is it really necessary to get a new 12V. I am in Europe and he told me they would order if from the us and would cost 700E. We don't have a guarantee, because they don't have that car here, just the Lexus Hybrid and Prius. Any advice???
 
Thanks you

#117 of 144 Re: 2007 Camry Hybrid Owners [bbillin] by rickcc

Apr 25, 2011 (4:39 pm)

Replying to: bbillin (Mar 22, 2011 8:37 am)
I had this same problem with the 'starter battery' the first year I owned my '07 TCH. Dead usually after we were away for a weekend or something. We suspected it was the low level communication between car & key which my wife kept about 20' from the car in her hall closet. However Toyota maintenance found that there was an internal leak (electrical - not fluid) in the battery (finally) and replaced it. No problems since.

#118 of 144 2010 Camry Hybrid 12V battery problems by ssuleiman

Jun 25, 2011 (9:48 pm)

We bought 2010 Camry Hybrid in the US last year and shipped it overseas. We drove it for a month and left it in the garage for almost 10 months. Now, the 12V is totally dead. When i jump start the car, it works as long as we don't turn off the engine. If we do, we have to jump start the car again. I drove it multiple times hoping the 12V will eventual charge, but without success. Any expert help would be greatly appreciated.
 
Thanks!

#119 of 144 Re: 2010 Camry Hybrid 12V battery problems [ssuleiman] by rich07

Jun 25, 2011 (10:26 pm)

Replying to: ssuleiman (Jun 25, 2011 9:48 pm)
I have a 2007 TCH and it has been a GREAT car. We were hit in the rear by an 18 wheeler and the car stood idle for a long time. In my readings I somewhere read that the Hybrid battery will use the 12v to keep it from dropping below a certain point. I did have to get a new 12v. I suggest for sure that you replace your 12v.
 
I also can tell you that a Hybrid is not the car to have if you are going to leave it for a long time, because of the battery situation. I have a older RX300 which I leave at a vacation home for 6 months and it will start within 2 or 3 seconds, BUT I DO DISCONNECT THE NEGATIVE WIRE OFF THE BATTERY. With the TCH I think I would leave a small charger on the 12v if I were to leave it for anything over one month. Also before shutting it down I would make sure the Hybrid battery is charged, you can see this on your display.

#120 of 144 Re: 2010 Camry Hybrid 12V battery problems [ssuleiman] by keithl

Jun 26, 2011 (5:02 am)

Replying to: ssuleiman (Jun 25, 2011 9:48 pm)
Sounds likethe regular 12V battery is dead, no big deal, the Hybrid uses standard 12V battery for starting the car just liek every other car.

#121 of 144 Dead 12 volt by pat85

Jun 26, 2011 (9:28 am)

I was in the hospital for a week each about 2 months apart when I did not drive. I needed a jump start from AAA for my 12 volt. I am sure no lights were on. I had to use the key to get in my car as the battery was so low it would not let me use the smart key.

#122 of 144 Storage of the Hybrid. by sparkchaserjoe

Jan 29, 2012 (7:57 am)

I just bought a 2008 Camry for my wife. We will drive it on weekends and trips as well as her 6 mile commute. So far I like it!
 
If you know the current drain on the 12 Volt battery it should be easy to put a "Float Charger" on it while it is not in use. Then you should be able to leave it for as long as you want. A lead acid battery does not like to be left discharged over time. It also does not like to be overcharged. If overcharged too much the battery has to get rid of the excess energy. It does this by generating heat. The heat vaporizes the water in the battery. So to match the float charge with the drain is important. I have a Yamaha that sits for weeks at a time. I made a 12 volt float charger that puts out about 0.100 amps or 100 Miliamps (mA). Seems to work fine.
 
As far as adding capacity to the battery it would be tricky ... From what I have read the battery packs are built with "D" size Nickel Metal Hydride cells. When the batteries do go bad might look into high capacity cells and someone that can rebuild it. By then it might be an option.
Joe

#123 of 144 Storage of Hybrid by pat85

Feb 01, 2012 (12:43 pm)

I too had my 12 volt battery discharge while I was in the hospital. I had to use the key to get in. I called AAA and had them jump my 12 volt.
 A lead acid battery does heat up, while draining it to start your car. The Internal impedance causes the battery to warm very slightly while supplying the amps to start your car. Volts = current( amps) times resistance.
This is Ohm's law.

#124 of 144 Miles on Hybrid battery by lmlh

Feb 02, 2012 (8:01 pm)

I have a 2007 Toyota Camry Hybrid with 116k miles. The car is in great condition. How many miles can I expect to get out of the Hybrid battery?

#125 of 144 Re: Miles on Hybrid battery [lmlh] by devy1

Feb 05, 2012 (9:13 am)

Replying to: lmlh (Feb 02, 2012 8:01 pm)
I also have a 2007 TCH with 183K miles and had all the options available. So far do not see any issues with the hybrid battery. Just had my rear brake pads changed. With these many miles, I am on the highways a lot and do not use the brakes that much. Have changed oil with synthetic Mobil 1 5W 30 almost every 6-8K miles. Have not changed spark plugs yet. Any expert want to comment/help out on the spark plugs? Get an average of 35 mpg these days on Kumho tires that I keep 1psi higher then recommended on the door. First set of my Kumho tires replacing michelins and they have been great on wear.

Messages Page 13 of 15

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