best replacement battery?
warp9.9 said:
with only 120 CCA and 159 bucks I think I will stick with the Scorpion's 320 CCA for 100 bucks.
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I am going on 3 years with my two batteries. a little spendy but I have never had a problem with juice.
I use the Scorpion 320 CCA 100 bucks to the door. And a Full Spectrum Genesis G5 Speed Cell Battery, 12.4 Amp Hour, 600 CCA, Quick Disconnect, Lithium Ferrous battery a little pricey at 500 bucks but IMO worth every penny.
 
My 05' still has the factory installed battery. Has never failed to start. Keep it on a battery tender in the winter. Not sure what kind it is, as I've never taken it out. When it finally does go bad, I'll be getting the same one if they are still made !
 
albertaduke said:
well if they are the brand used in the BOEING 787 YOU ARE IN DEEP TROUBLE!!!
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My brother flies a Sitation Jet and he was amazed they used this battery system in the jet. I guess it came out in 2007 that it was pressure senative.The tecnology is there forsure, the only draw back i see is the highly flamable eletrolytes used in the batteries. That being the case any damage to the battery or leaking what so ever could be a problem. Also they stacked these batteries in the 787,look what the dam things are running in those behemoths.. I remember when the DC-10 doors were blowing off. I'm sure there are bugs to be ironed out but it looks promising.. I did my research on YUASA batteries also the fact that it is made in the USA and compatable with Triumph Rocket III had a determining factor. A lot of the Harley boys love Deka batteries they swear up and down it's the one and only.. I'm sure most batteries on the market will do the TRIIICK..

Yuasa Batteries :: Motorcycle

Motorcycle Consumer News: The Care and Feeding of Your Pet Battery
 

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Greetings Doc. What part of Virginia are you in? I'm down here in Fredericksburg along with several other Captains.

I've tried the Odyssey like Skip but had to replace it after one year. Now I've been running a Scorpion battery for several years with no problems.

YTX20DHL Battery | Harley Davidson 12 Volt Motorcycle Batteries

$99 plus free shipping or you can get one at Morton's BMW in Fredericksburg.

The listing says H-D but ignore that as it is a direct drop-in replacement for us.

Keeping the Rocket on a battery tender is a must in the winter.

You may also want to consider doing 2 mods to help with the winter issues: 1) replacing the negative battery cable with a heavier gauge wire, and 2) replacing the starter motor with a 1.4kw unit. I have recently done both and it makes a HUGE difference.
 
2toneblue said:
Shorai LFX36L3-BS12 540cca 36AH. same phyacial size. has the RIII listed in it's fitment chart.
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+1 on the Shorai. After 5 years, my trusty Odyssey 545MJ couldn't crank a cold rocket even after staying on the Odyssey charger. It would hold a charge, but voltage would drop down to 7.5V on initial crank. That's not hardly enough to start the ECU or coils.

Out of the box, the Shorai never dropped below 10.5V.

The Shorai fits right in the battery box. Foam spacers on each end keep it from shifting side to side. I've never heard my bike crank so fast! Time will tell if it can handle a real cold start. Our two weeks of winter in Houston appear to be over though.
 
I too am on the original battery on my bike which I picked up in July '04. It's parked for the winter on a battery tender so we will see if it is good to go in the spring. If so that will be nine years, not bad.
 
I never use a battery tender but once a month in the winter I will put my charger on both at the same time witha 6 am charge whether it needs it or not. I have not modified the starter yet but that is comming. I also have not tried to start it below 5 degrees but at 5 degrees she spins over like a mad man. The new starter mod and larger cables should make it invinceable
 
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