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Old 07-17-2012, 06:57 PM   #1
chau OP
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Shorai Lithium Battery

Anyone have experience with them?

Pros: Considering a Shorai lithium battery it as it does need to be connected to a battery tender. Slower discharge than a Gel. Lighter weight but that's not as important to me.

Cons: More expensive (about $250) and relatively new so not enough findings to prove benefits vs negatives

Also i think i read somewhere that it may not work with a battery tender Jr.

Thoughts?
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Old 07-17-2012, 07:00 PM   #2
def
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My thoughts?

Do some more homework be for you decide on lead or lithium.
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Old 07-17-2012, 08:27 PM   #3
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I ran dual shorai's on my previous GSA before I was hit and the bike got totaled. I never had a problem with them and never felt the need to use them both at the same time. One thing people don't like about them is how they behave in the cold. I live in Boston and I would have to turn on the headlight for a few minutes on a cold day to get the battery to warm up or it wouldn't turn over. That said, they never failed me.

The only reason I went with the Shorai was to run dual batteries; I don't think the weight savings are really that valuable on a loaded up GS. I think for normal use, an Odyssey PC625 is the best option out there and it's drop in (just need to mod the front seat height rod and reroute leads...unlike some describe, the fins on the battery don't have to be shaved down).
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Old 07-18-2012, 07:50 AM   #4
chau OP
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Interesting about how to deal with lithium in the cold.

Sounds like Odyssey is favored by most. Will the Odyssey work with a low seat?

And what leads are you referring...the ones that connect to the battery?

I'm looking for a direct drop in (like the current Yuasa) that will still work if i don't use the bike for a few day.

I park outside, ride about 10 miles RT to work and try to do longer rides on the weekends. Unfortunately living in the city, i do not have access to connect the bike to a battery tender so i am looking for a battery that will not discharge quickly plus will still work when it gets colder.
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Old 07-18-2012, 09:27 AM   #5
Iron Rey
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Chau,

What are you riding? GS or GSA? I have a Shorai in my GSA as you cannot fit an Odyssey in the GSA's with ESA.

Pro's: It's light, couple of pounds, in my case since I am a fatass it really doesn't matter, my dump this morning probably weighed more that a lead acid battery. I works well when it is warm, and I expect it to last longer than the lead acid batteries (I got 3 years on the L/A on my '08 GSA, but only a year on my '10 GSA).

Con's; It is shiite in the cold, yes, you can turn the lights on and warm up the battery, that helps, but when you are like me and ride year round, unless I wrap the battery in a heating pad (I do this in the winter), it is just either not going to start or the seriously reduced output is VERY hard on your starter (this is also a serious consideration if you have an older bike with servo brakes, it just won't even try to start at the lower voltage), I ride in all temps (my lowest has been -5 deg F) as long as there is no ice. Also, you need a special kind of charger if you are going to have it on a tender, call Kieth at Black Dog Cycle Works and he will give you a lot of good info. I know he REALLY pushed them when he first started carrying them but I think he has become slightly more pragmatic since.

If I had a regular GS, I would do the mod and put in an Odyssey, if I lived in a year round warm climate and weight was important to me I may go with the Shorai, but all things considered, I truely think the Odyssey is still the all around best choice if you can fit it in your bike.

Just my $.02, YMMV.
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Old 07-18-2012, 09:53 AM   #6
Mr. Canoehead
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I have a Shorai (and servo brakes) and on a recent trip we had two mornings with frost. It started (eventually) after doing the warmup thing but I don't need that stress on vacation. It actually cranked OK but at 10v, the bike won't fire. I'll be moving the Shorai to the DR and going Odyssey on the GSA.

It's funny how a non-starting bike at a motel brings motorcyclists out of the woodwork, all with different solutions and none of them thought leaving the lights on for 5 minutes was a good idea but it worked!
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Old 07-18-2012, 10:36 AM   #7
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Shori

This is my .02.......I have a Shori as well in my 2009 12GSA. I started with the 14 amp which my dealer originally suggested. It started but made me nervous; they exchanged it for an 18 amp. It worked fine but in the cold, again made me nervous. I called Shori at my dealer’s suggestion and they now recommend the 21 amp for the bigger bikes like mine. They exchanged it after having the 18 amp for 6 month at no charge. I've had the 21 amp for 3 months now, just returned from a 7000 mile 15 day ride to Alaska, we encountered a few cool mornings where the temps were 31 degrees, the bike started without hesitation each and every time. I was worried about it before I left but had no issues.
Hindsight is always a factor with every decision we make going forward, knowing what I know now I may try the Odyssey when this one gives up strictly for peace of mind. Saving the few pounds on such a heavy bike maybe doesn't really matter in the end.
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Old 07-18-2012, 11:18 AM   #8
Mr. Canoehead
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Mine is the 18 Ahr. I think Shorai is full of crap on the CCA rating on the battery.

[From the web] The SAE J537 CCA test mandates to cool a fully charged battery to -18°C (0°F) for 24 hours, and while at subfreezing temperature apply a high-current discharge that simulates the cranking of an engine. A 500 CCA battery would need to supply 500A for 30 seconds and stay above 7.2V (1.2V/cell) to pass. If it fails the test, the battery has a CCA rating of less than 500A. To find the CCA rating, the test must be repeated several times with different current settings to find the triggering point when the battery passes through 7.2V line. Between each test, the battery must be brought to ambient temperature for recharging and cooled again for testing.

I dont buy Shorai's stated CCA of 270 (for the 18 AHr) when Odyssey rates the PC680 battery at 220. Having to pre-heat the Shorai means that it doesn't have anything like 270 CCA - it probably has under 100 CCA, IMO.

My 6 year old BMW factory battery (170 CCA rating when new) would still start my bike at 32 F but the new Shorai would not (at least without heating it first).
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Old 07-18-2012, 08:14 PM   #9
chau OP
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thanks all. The shorai doesn't sound like it suits me as i live on east coast where it can get pretty frigid. WWish Odyssey made a drop in. Oh well. I think i'm going to go with the higher CCA Yuasa YTX14H-BS which i think puts out 220 or 240 CCA.
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Old 07-18-2012, 08:45 PM   #10
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I thought the 525 was a drop in for the 1200? The 680 is a drop in for the 1150.
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Old 07-21-2012, 12:47 AM   #11
AdventureDave
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Antigravity batteries

You should also give Antigravity batteries a look in as well. He is an inmate here and makes top quality lithium batteries. I dont have any association, just a happy customer.

http://antigravitybatteries.com/


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Old 07-21-2012, 01:22 AM   #12
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Quote:
Originally Posted by chau View Post
Anyone have experience with them?

Pros: Considering a Shorai lithium battery it as it does need to be connected to a battery tender. Slower discharge than a Gel. Lighter weight but that's not as important to me.

Cons: More expensive (about $250) and relatively new so not enough findings to prove benefits vs negatives

Also i think i read somewhere that it may not work with a battery tender Jr.

Thoughts?
got an extensive testing thread going on LiFePO4 batteries

unless weight savings is of huge importance... go with AGM which also has low self discharge rates

main advantage for LiFePO4 is weight savings and low self discharge rates.

marketing doesn't meet with reality, most mfg inflate amp hour ratings...
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Old 07-22-2012, 02:06 AM   #13
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Would not go Shorai - there does seem to be issues, balanced charging, longevity, claimed cc amps etc. If you want to go Lithium check out the Antigravity mob for the 1200GS part numbers AG12YTX12 360CCA or AG16YTX12 480CCA (do some research on cca between Li and AGM/Gel - not all are equal)

Otherwise Odyssey and in particular for the 1200GS the PC535GS. I have not done much research into the latter, but if I could get one here that is one the one that I would buy... Deka ETX14 is (arguably) the next best one.

PS - battery just gone in my bike - have done some extensive research and above is what I have come up with

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viz screwed with this post 07-22-2012 at 02:34 AM Reason: More detail
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Old 07-22-2012, 04:20 AM   #14
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Odyssey & ESA

Quote:
Originally Posted by Iron Rey View Post

What are you riding? GS or GSA? I have a Shorai in my GSA as you cannot fit an Odyssey in the GSA's with ESA.
I was about to order an Odyssey for my GSA with ESA and I saw this. If you do the mods will it fit?
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Old 07-22-2012, 04:31 AM   #15
TuefelHunden
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Got a Shorai. Their customer service was fantastic. Started with a 14aH on my Tiger, had problems with cold cranking they sent me an 18ah for free, no shipping either way. Got the GS and they sent me the 21ah, again for free, no shipping. Has worked great ever since. They had a bad batch of circuit boards on the first two, admitted to it (which is totally unusual these days) and made it right. Rather than listen to a lot and I mean a LOT of bad info on the net, go to the Shorai website and read about the battery, you might learn something, like the CCA rating on lead acid and lithium battery are very different or there are several types of Li batteries.
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