G35 Sedan V36 2007- 08 Discussion about the 2nd Generation G35 Sedan 2007 - 08

Anybody using lithium ion battery for their G?

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Old Jun 24, 2014 | 03:23 PM
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Anybody using lithium ion battery for their G?

Anybody using lithium ion battery for their G?

Any owner feedback?
 
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Old Jun 29, 2014 | 09:38 PM
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^^ Nope, and to be honest, I can't see any real advantage to doing so that makes the extra expense worthwhile.
 
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Old Jun 30, 2014 | 01:20 PM
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I thought about because of the weight saving and the battery may last longer. But the price is definitely steep on this one.
 
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Old Jun 30, 2014 | 01:42 PM
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Weight savings? Haha how much could you possibly save? Also, a car battery should last like a good 7 yrs or so. I could see if you were goin thru a battery once a year maybe getting one, but in any normal situation I don't see the point..
 
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Old Jun 30, 2014 | 01:45 PM
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It would make no sense. Performance and life span wise, a gel lead acid battery is nearly on par with lithium ion battery, but at 1/4th the cost. The only real benefit of lithium ion battery is less enviromental impact, couple pounds weight savings and extreme temperatures (<0F and >120F). It is a better technology, but price point just doesnt make them worth while yet.

Even hybrid cars with massive Li-Ion batteries, sill use lead-acids for starts.
 

Last edited by WhosUrBuddiee; Jun 30, 2014 at 01:55 PM.
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Old Jun 30, 2014 | 01:55 PM
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Originally Posted by Gdirtyfive55
Weight savings? Haha how much could you possibly save? Also, a car battery should last like a good 7 yrs or so. I could see if you were goin thru a battery once a year maybe getting one, but in any normal situation I don't see the point..
A typical car battery weighs about 40lbs. A similar Ah lithium ion battery will weigh about 9 lbs.

Typical car battery life is 2-5 years, depending on climate, vehicle (more accessories=shorter life span), and type of driving (short trips and long periods of inactivity=shorter life). Gel lead acid batteries typically last 4-8 years. Li-Ion battery will last 8-10 years.
 
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Old Jun 30, 2014 | 02:01 PM
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I have an Optima yellow top (not in the G, but used for camping power) that is 14 years old and still going strong.
 
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Old Jun 30, 2014 | 02:06 PM
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Originally Posted by WhosUrBuddiee
A typical car battery weighs about 40lbs. A similar Ah lithium ion battery will weigh about 9 lbs.

Typical car battery life is 2-5 years, depending on climate, vehicle (more accessories=shorter life span), and type of driving (short trips and long periods of inactivity=shorter life). Gel lead acid batteries typically last 4-8 years. Li-Ion battery will last 8-10 years.
Oh, wow, I guess if you're drag racing that's a significant weight savings. Pretty sweet. I've never had a battery last less than 7 years tho. 2 years I'd be bringin that shib back. I just ran my battery out that was labeled dead 2 years ago. I've never had a crazy amount of electronics tho.
 
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Old Jun 30, 2014 | 02:07 PM
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Originally Posted by WhosUrBuddiee
It would make no sense. Performance and life span wise, a gel lead acid battery is nearly on par with lithium ion battery, but at 1/4th the cost. The only real benefit of lithium ion battery is less enviromental impact, couple pounds weight savings and extreme temperatures (<0F and >120F). It is a better technology, but price point just doesnt make them worth while yet.

Even hybrid cars with massive Li-Ion batteries, sill use lead-acids for starts.
I don't know for all hybrids but Lexus/Toyota doesn't use the lead acid for starting. Actually they don't even have starters. They use the electric motor sandwiched inbetween the engine/tranny to start the car and it draws from the litium/ion battery packs for energy.

The lead/acid battery for the hybrids look like a motorcycle battery. Too small to use to start the car. It's just used to make sure the electronics always have an energy supply
 

Last edited by Jeff92se; Jun 30, 2014 at 02:21 PM.
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Old Jun 30, 2014 | 02:30 PM
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Originally Posted by Jeff92se
I don't know for all hybrids but Lexus/Toyota doesn't use the lead acid for starting. Actually they don't even have starters. They use the electric motor sandwiched inbetween the engine/tranny to start the car and it draws from the litium/ion battery packs for energy.

The lead/acid battery for the hybrids look like a motorcycle battery. Too small to use to start the car. It's just used to make sure the electronics always have an energy supply
One would think you would eventually tire of always being wrong. Yes almost every single hybid car still uses a regular lead acid battery for starting/ignition and not the li-ion/ni-mh, including all Lexus/Toyota.
http://www.alabc.org/publications/le...teries-in-hevs

In the future, you should probably just stop here.
Originally Posted by Jeff92se
I don't know
 
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Old Jun 30, 2014 | 02:34 PM
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Originally Posted by WhosUrBuddiee
One would think you would eventually tire of always being wrong. Yes almost every single hybid car still uses a regular lead acid battery for starting/ignition and not the li-ion/ni-mh, including all Lexus/Toyota.
http://www.alabc.org/publications/le...teries-in-hevs

In the future, you should probably just stop here.
Don't you hate being called out as a complete fool? I would

http://www.mylexushybrid.com/the-rx-400h-hybrid-engine

Doesn't use litium ion but it's a technicality
Hybrid Battery: There is a sealed nickel-metal hydride molecule battery that generates 288-volts. It is located under the rear seats. The rear seats sit a little higher than the Lexus RX 330 because of the hybrid battery. It stores regenerative energy from braking, coasting, deceleration as well as supplies power to the Inverter, which is used by the electric motors.
The lead acid batter you are trying to refer to
12-Volt Battery: Last but not least, there is the battery. This battery is used to start the Hybrid Electronic Control System and operates the basic electrical system. This battery is kept charged by the Inverter.
 
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Old Jun 30, 2014 | 02:38 PM
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Yeah, my first gen Honda Insight had a 12v battery besides the NiMH, but that was a completely different type of hybrid, so I can't speak for the Toyotas. But I would think they need it in case the electric part of the hybrid failed.
 
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Old Jun 30, 2014 | 02:56 PM
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How the Prius charging/starting systems work.

http://prius3.wordpress.com/2011/08/...btle-ones-too/

the 12V battery is smaller than on a conventional car (its usage is essentially to turn on the computer at start up and to act as a buffer between the high voltage battery and the 12V accessories, which are not driven directly at high voltage); this saves an additional 10 kg/ 20 lbs (a conventional drivetrain battery can weigh from 10 to 30 kg /22 to 66 lbs depending on the model/capacity – an example here)
How hybrids start their cars

lack of starter and engine noise at start-up; if the Prius engine is warm, you can move out of the parking spot without a sound; if the ICE is cold, there is no starter noise as the engine is turned on very smoothly using the powerful MG1 generator
 
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Old Jun 30, 2014 | 02:57 PM
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Originally Posted by Jeff92se
Don't you hate being called out as a complete fool? I would

http://www.mylexushybrid.com/the-rx-400h-hybrid-engine

Doesn't use litium ion but it's a technicality

The lead acid batter you are trying to refer to
Oh Jeffy Jeffy Jeffy, you constant backpeddaling never ceases to amaze. Why can you not just say, yea I had no clue what I was talking about. You were clearly wrong, just admit it.

Also I said very clearly li-ion/ni-mh, you even quoted it. Some use lithium-ion and some use nickel metal hydride. Trying (and failing) to point out a technicality doesnt make you any less wrong.

Congrats on finding one car that uses li-ion/nimh battery to start engine. Still a far cry from your orginal claim.
 
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Old Jun 30, 2014 | 03:06 PM
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Originally Posted by Gdirtyfive55
Yeah, my first gen Honda Insight had a 12v battery besides the NiMH, but that was a completely different type of hybrid, so I can't speak for the Toyotas. But I would think they need it in case the electric part of the hybrid failed.
Probably to make sure the ecu etc.. has power in case the hybrid batteries go completely dead. ie.. if you haven't used the car in a long time etc... but it's too small to start the car.
 
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