[canyon1]

Motorcyclist Magazine has 2 articles on lithium-ion batteries in the August issue. These batteries range in price from $150 to $360 and, according to the articles, offer weight savings & improved starting performance.
The downside is that they cost more than other batteries and require a different type of charger than a trickle charger or battery tender. The potential problems are that they are subject to damage if overcharged or allowed to drain below a certain level. I have a glass-mat battery (I believe that is what it is called) that does not require fluid maintenance like a lead-acid battery that I have had in my Harley for over 5 years. Over this period I have used the battery tender to maintain it if it hasn't been ridden in over a month. Cost was about $70. Anybody here familiar with the lithium battery ? The average weight is less than 2 lbs. That's light !

 

[Mentat Ix]

I've used lithium ion batteries in all manner of applications, though not in a motorcycle. Excessive charging and discharging is usually prevented by a protection circuit, lest they go up in a righteous ball of fire. Dunno about exposing them to lots and lots of heat either.

Well, I won't be "upgrading". No reason to, I feel.

 

[headhz]

From what I 'think' I know of lithium ion batteries is...they don't do well in heat esp. over 120 degrees, they don't work well in cold, they are not as powerful as other batteries, they're fragile, and you can't store them fully charged. So that being said and if I'm am correct, lithium ion batteries are probably better for racing or something of that nature then the daily driver.