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Is my hybrid battery going to die?

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Old 05-25-12, 07:34 PM
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Skggyy
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Default Is my hybrid battery going to die?

Every morning when I start the car in the morning is always start with egine, even if the battery is fully charge when it shut off in the evining day before. Is this normal? Also I heard most of the car will run under battery power under 25-30 mph. But my engine will always kick in when speed in 15 mph. But my car still keep the gas mileage around 22.5-25mpg. With 30% local. All rest are fwy. Please help. I am not sure if the battery needs replace soon? Car is currently out of warranty.
Old 05-25-12, 09:43 PM
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XxGoKoUxX
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All cars start up on engine power, for the most part anyways. I think it's to warm up the oil, and when it's warm the engine shuts off again. At least that's how it was every morning when I started up the CT200h loaner (yes, I take care of my loaners like it's my own )
Old 05-25-12, 11:28 PM
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Originally Posted by XxGoKoUxX
All cars start up on engine power, for the most part anyways. I think it's to warm up the oil, and when it's warm the engine shuts off again. At least that's how it was every morning when I started up the CT200h loaner (yes, I take care of my loaners like it's my own )
Thx. Did u also realize the battery capacity reduced. Sometimes the battery is fully charged when shut off in the evening. But reduce 1-2 bars in morning start up.
Old 05-26-12, 01:47 AM
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Originally Posted by Skggyy
Every morning when I start the car in the morning is always start with egine, even if the battery is fully charge when it shut off in the evining day before. Is this normal? Also I heard most of the car will run under battery power under 25-30 mph. But my engine will always kick in when speed in 15 mph. But my car still keep the gas mileage around 22.5-25mpg. With 30% local. All rest are fwy. Please help. I am not sure if the battery needs replace soon? Car is currently out of warranty.
Yes thats normal, the car starts to warm the engine then it will shut off. Also it depends on how hard you depress the pedal. The warranty may be up but you should still have the 8 year warranty on the battery components depending on mileage.
Old 05-26-12, 04:16 AM
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Originally Posted by Skggyy
Thx. Did u also realize the battery capacity reduced. Sometimes the battery is fully charged when shut off in the evening. But reduce 1-2 bars in morning start up.
Unfortunately I didn't pay attention to that. However I do reccomend you get a check-up just in case!

You never know, if 1-2 bars is reduced, that's either quite a bit of a power draw or the battery is slowly draining due to it being on the verge of it's death.
Old 05-26-12, 07:39 AM
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Thanks for all ur help. I did test .sat night. It seems like my battery does not drop. I will do more test in next couple weeks.
Old 05-26-12, 11:25 AM
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okay good luck!
Old 06-20-12, 08:37 AM
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dekidex
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Originally Posted by bigblack06
Yes thats normal, the car starts to warm the engine then it will shut off. Also it depends on how hard you depress the pedal. The warranty may be up but you should still have the 8 year warranty on the battery components depending on mileage.
how long is the warranty on the battery or hybrid components?years/miles?
Old 07-15-12, 02:13 AM
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Brabusx2
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i took my GSh on a long mountain road drive, so i let the car roll back down hill, 5+ miles, all down hill, battery won't fully charge, never use the acceleration at all, just put car in D and let it roll, one bar from fully charge, i think my battery is dying soon
Old 07-15-12, 09:01 PM
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2008GSh
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Try it again but on the down hill coast put it in Power mode, or down shifted into 4 or 3, or with a very light pressure on the brake... All of those will force the ECU to charge the battery.

On fathers day my son and I coasted down a very long highway from almost 5,000ft to just over sea level, and it left one bar on the table... On the return trip, I cover the brake, and had the batter fully full less than half way down... Thought to myself.. Now what?
Old 07-17-12, 01:15 AM
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I just try and keep the needle as far down as it can be in the blue section when going down hills, if it starts to fade back, let off a bit and try again, I can fully charge my battery from 2-3 bars to full or one bar from full in around 30sec to a minute. Helps if the car is in power mode.

(my GSh is a 2007 and 128 000 km, so it has pretty high mileage)
Old 07-23-12, 01:36 AM
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Originally Posted by 2008GSh
Try it again but on the down hill coast put it in Power mode, or down shifted into 4 or 3, or with a very light pressure on the brake... All of those will force the ECU to charge the battery.

On fathers day my son and I coasted down a very long highway from almost 5,000ft to just over sea level, and it left one bar on the table... On the return trip, I cover the brake, and had the batter fully full less than half way down... Thought to myself.. Now what?
btw, i did ur trick, IT WORKS!! it charge sooo much faster but the transmission making so much noise is it safe?
Old 07-23-12, 06:40 AM
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no idea if it is safe or not, but at least we know that your battery is A-OK.
If "engine braking" your transmission causes you concern... Only do it once a year or so to test your battery.

Last edited by 2008GSh; 07-23-12 at 08:42 PM.
Old 07-23-12, 12:20 PM
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yup, i think that's what i am gonna do, and i think that's how other Toyota Hybrid "B" gear works too it downshift so it push more energy to the Battery
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