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Old 02-01-2019, 11:04 AM   #19
myfirstyota
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the more EVs there are, the more combustion engine cars I'll buy and put straight pipes on.
I like your style Lee!
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Old 02-01-2019, 12:59 PM   #20
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Interesting info. One would expect that they will put some better batteries inside that pack (there must be something considering all those Teslas driving outside in minus temperatures).
I have bought myself solid jumpstart cables - in case I need them there is always a car around where I can beg for 5 minutes of their time. And I have really needed those cables once... when I was asked by a desperate colleague for help. :D
Lithium Ion batteries are used in portable jumpers simply because they are small and light enough to be practical and they pack enough of a punch in that package to jump a car while being affordable. Obviously their downside is their lack of performance in the cold.

That said, the root of my battery issue is my 300mA parasitic draw which I will be diagnosing tonight as it is warming up a bit.

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Love the idea power and reliability of ev, but just not practical enough for me yet.
agreed, it isn't where it needs to be yet to be practical for most peopl, nor is the pricing. Comparing a small (somewhat decently priced) Volt to a Yaris or Corolla and you are not really saving anything environmentally wise.

I can see my family having one EV as the local town runner/grocery gett'r but beyong that there is no way they are practical for my family and our trips to the cottage summer and winter.

My track car will always be an ICE, way more fun and the ability to customize and tinker plus amazing noise. Take that away and you remove a lot of the fun that comes with motorsports. Look at the issue FormulaE has with their batteries and having to precisely plan out exactly how long they can run for before they switch cars and have to decrease power. It isn't practical to have an EV that you can drive to the track, run hard for a few hours and then take you on a long ride home. Not until thei battery capacity goes way up and charging times severely decrease as well as the amount of charging stations.

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Well, you gonna have to change your mind. EV is gonna be the future, although I wish hydrogen fuel cells would have taken the lead. Burn hydrogen, exhaust water.
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I agree it is the future, but a not so close one. I also do not see it casting ICE's into obsolescence, at least not in my life time. Until Big Oil can replace their profits with something of the electric kind, oil isn't going anywhere. Multi billion dollar corporations have way to much to lose and will do what they need to to keep themselves relevant and profitable. Other industries have already done so, oil is no different and neither are their ethics and morals
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Old 02-01-2019, 02:12 PM   #21
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I like your style Lee!
The dude abides!
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Old 02-01-2019, 06:25 PM   #22
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In an effort to get as light as possible I used to run a Lithium ion battery in one of my previous cars. It was technically a summer only car but I drove it as long as there was no snow or salt on the road. It got pretty dicey in late November/early December after a 12hr night shift. It always started, but since they regain voltage as they heat up, I often had to short crank it 3-4 times to let the battery heat before it would actually turn it fast enough to start.
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Old 02-01-2019, 08:29 PM   #23
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Anyone had a look at the "Rescue Mate" jump starter? http://www.rescue-mate.com
This uses capacitors instead of lithium batteries, and charges from the residual power still in the car battery.
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Old 02-01-2019, 08:58 PM   #24
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In an effort to get as light as possible I used to run a Lithium ion battery in one of my previous cars. It was technically a summer only car but I drove it as long as there was no snow or salt on the road. It got pretty dicey in late November/early December after a 12hr night shift. It always started, but since they regain voltage as they heat up, I often had to short crank it 3-4 times to let the battery heat before it would actually turn it fast enough to start.
Hmm, interesting, never thought about warming it up that way

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Anyone had a look at the "Rescue Mate" jump starter? http://www.rescue-mate.com
This uses capacitors instead of lithium batteries, and charges from the residual power still in the car battery.
I've seen videos online about it. Seems like a brilliant idea for those in cold climates. Realistically I can bring my jumper inside with me during the winter when I'm at work or over night, but it is a hassle and the capacitor solution would allow you to leave it in your car all winter until you need it
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Old 02-01-2019, 09:22 PM   #25
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Let's see if this works. EDIT: Photobucket's back I guess



Perspective



It was starting a 12.5-1 G13 with about 250 psi craking pressure
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Old 02-02-2019, 11:19 AM   #26
myfirstyota
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I used to know a guy who ran a powersports battery (think motorcycle or riding lawnmower). But this was way before lithium batteries were popular.

Now how would you charge that battery? Don't lithium batteries need special chemistry when charging? Won't a standard alternator f_ck sh_t up?
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Old 02-02-2019, 11:21 AM   #27
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I used to know a guy who ran a powersports battery (think motorcycle or riding lawnmower). But this was way before lithium batteries were popular.

Now how would you charge that battery? Don't lithium batteries need special chemistry when charging? Won't a standard alternator f_ck sh_t up?
You need a charge controller, but it's no mystery. They charge to 4.2v full

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Old 02-02-2019, 11:28 AM   #28
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So you just have it wired up to charge while you're driving just like normal battery? Or do you remove the battery and charge on a normal a/c style lithium charger like ones used for hobbies?
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Old 02-02-2019, 05:38 PM   #29
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I left that battery in the car full time and had no external charger. I used one in my dual sport bike as well. I accidentally ran one of them down once and brought it back with a simple automotive battery charger. My electronic charger wanted nothing to do with it.
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