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Lithium ion battery for V65 lario

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GC888 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote GC888 Quote  Post ReplyReply Direct Link To This Post Posted: 02 Oct 2018 at 21:12
I'm quite a fan of lithium batteries as they do work and are reliable (they also have a nice habit of not discharging when left to fend for themselves). 

I too looked at the 20ah monster (and ditched it), however mines a 350 so only cranking over half your engine and massively over specified. Perhaps the 650 needs the 20ah? Even if this is the case there are massive weight and space savings on a lithium with the same cca as the OEM part 20+ years after it was built to a price.

Not looking at my notes but I am sure I saved around 15kg, along with now having the open frame look. 

Yes they can explode and I do have some concerns as it new position is under the tank!!! 
However the addition of a volt meter keeps an eye on its health and if it ever were to start over charging. 

Flea bay have a choice and one supplier includes cca specifications.
Though as has been said the way cca are measured is doubtful (I compared 2 or three suppliers physical size v cca) 

For future I have been half considering playing with the idea of two smaller batteries in different positions may be with just one dedicated to starting. 

Have even considered avoiding the new circuit design by leaving it plugged into the trickle charger its on now and running a loss system, the engine needs very little and the lights are now LED.

But in these forums I have found myself to be one of the few that thinks motorcycles should evolve and not remain as they rolled out of the factory! 
     
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mrmakalaka View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mrmakalaka Quote  Post ReplyReply Direct Link To This Post Posted: 31 Jan 2019 at 20:37
I realise that this post is a few months old but I think I have a couple of things wort saying.
I have an Antigravity 8 cell 9Ah  with 240CCA on my 1982 V65. 
Spins it over great every time. Weighs in at 708g and is about 1/3 size of lead acid battery it replaced.
I also now have the open frame look having mounted battery in a hanger from frame between the cylinders (replaced air box with pods and redesigned oil recovery system so that it all still circulates fine).
Important extra mod. is Rick's Motorsport mosfet R/R 14_100 which is designed for use with Lithium batteries.


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sardineone View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sardineone Quote  Post ReplyReply Direct Link To This Post Posted: 31 Jan 2019 at 21:35
Hi Dave, welcome to the board first of all.  Now to your battery question.  I've had a Shorai Lithium-Iron in my 86' 1000 Lemans vintage bike (semi-retired but ridden on occasion) now for 9 years.  It works stellar in warm weather, but not so great below 45-50 degrees F.  So that might be a factor in your location.  On the other hand, I have deliberately not babied this battery only charging occasionally during the off season with a normal auto shutoff automotive charger set at 2A charge.  I have an old antiquated stock voltage regulator (relay type) still on my Lemans that challenges the claims that you need a special charger.  The Lithium-iron battery will cut a sizeable amount of weight even in a good size capacity compared to the lead-acid choice.  In the end the Shorai has been very good for my occasional rider, but my all year round BMW I still have a lead-acid.
I agree with others not to undersize your battery capacity, especially if you haven't found your kick-starter! Wink
George

One owner 86' Lemans 1000 (member of the family) / BMW R1200ST (current work horse)

You are what you have ridden!
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Brian UK View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 31 Jan 2019 at 21:43
Many Guzzi owners could save more weight just by watching the number of pies they eat, LOL Always remember the all up weight includes the rider.


Very low capacity batteries are fine in ideal conditions, but have a bad starting day and it's likely to fail at the third try.
On more modern bikes with a parasytic drain (even just an electric clock) and after a week or so you won't be starting so easily.

Brian.

Better 5 minutes late in this world than years early in the next.
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sardineone View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sardineone Quote  Post ReplyReply Direct Link To This Post Posted: 31 Jan 2019 at 21:46
Almost forgot Dave, I hope you have some curvy roads in your area.  The Lario is a great bike for such and I hope you really get to enjoy your machine.  I've had a Lario with pipes, sock air filters and a jet kit run right beside my stock 1000 Lemans up to 100 mph, then my larger engine would not be denied!
 
George

One owner 86' Lemans 1000 (member of the family) / BMW R1200ST (current work horse)

You are what you have ridden!
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