Yuasa batteries suck!!!

[fj1289]

Why doesn't anyone talk up lithium ferrous  LiFe. batteries?

See about 7 replies above yours. 

I'm on my 3rd one.   First was a first gen "shrink wrapped" Ballistic battery.  One hell of a punch for such a small battery - and it got used and abused for a long time before it "popped" while charging it one morning.  Second was a Shorai.  He er really impressed with it - just never seemed to have much "punch".   Third is an EarthX - very impressed with this company and their technology - but it comes at a premium price. 

The original Ballistic was amazing -   very simple - just A123 cells welded together - no balancing, no cell protection - just batteries welded together and shrink wrapped.   The EarthX is the opposite end of the scale - FULL battery protection - from both over discharge AND over charging, cell testing and balancing, etc.   

[Flynt]

Anyone else switch to Li or LiFe?

As Randy also mentioned, I've had a few Shorai batteries.  One in the Ducati and two in the FJs.  The Duc battery is still fine, but Wiz killed the other two and I went with Randy's new Li battery.  It works well thus far...  now if I could just get the f'ing fuel pump to run   

Frank

[Pat Conlon]

Whatever you do Frank, do not get one of those Chinese "lifetime guarantee " fuel pumps off of FleaBay.
.

That was a hard lesson.

[Pat Conlon]

Just make sure you test your charging voltage and it is no more than 14.5VDC at 4 to 5K RPM. AGM batteries don't like over voltage at all. Other than that, really good value for the price.

I keep seeing that pop up from time to time, but my personal experience is otherwise.

My '89 would boil off a conventional battery in short order, so I stuck an AGM in there, without even checking anything else.  The first one lasted almost nine years, and the current one is four years old.

Well.......That has not been my experience. AGM's are sensitive to charging voltages.
Before my Transpo VR mod on my '84, it would put out over 15 volts and this caused a premature failure in a Westco AGM.
Most AGM Manufacturer's have warnings about this overcharging condition.
For example, see #3 on page 9 of the Yuasa technical manual: http://www.yuasabatteries.com/pdfs/TechManual_2014.pdf