Whats the best AGM Lead-Acid battery?

What do you mean by "same as Yuasa"? Are they made by Yuasa?

My parts guy said that when he was at the Interstate facility, as the batteries came down the line, some were labeled Interstate and some were labeled Yuasa. Same battery. That's what I was told anyway..
 
My parts guy said...
ALWAYS a bad sign! :D

The original AGM-type batteries were nearly all sold with acid in separate packaging, which meant that they could be shipped, but also that they had to be commissioned and charged (properly) before use.

The only "development" in powersports batteries that I am aware of (apart from the LiPo/Shorai/etc.) over the past 20 years has been the widespread used of "factory activated" AGM batteries, such as the YTZ series of Yuasa batteries that were supplied as OEM on the ST1300, for example. (The heralded Odyssey AGM batteries are, AFAICT, stronger simply because they are bigger, and thus weigh more than other AGM batteries.) The battery technology used by both of these types of batteries is almost exactly the same. That said, it is possible to assemble any battery with better quality components than other brands, and certainly, some of the cheaper brands do not seem to last as long as some of the more expensive ones. But even the relatively expensive Yuasas have been known to fail internally. Consequently, you cannot guarantee a long service life by simply fitting an OEM replacement battery--it could last a long time, but it might not actually have any advantage over a cheaper battery.

Recently, I have only purchased Yuasa YTZs for my bikes, but the yellow ones (Motobatt?) seem to have earned a good rep from what I've heard. But given that a brand new, never installed, on an Optimate from day 1 Yuasa YTZ10S I have in the garage is now showing "weak" after six months I'm probably not going to be maintaining my impressive Yuasa purchase record for much longer!

Ciao,
 
Just installed an Exide Super Crank from Tractor Supply in my ST1100- $79.95+tax. The previous battery was an Exide Champion which was 6 years old.
 
I'm in need of a new affordable (though not necessarily the cheapest) battery for my 1300. No luck finding a listing at walmart or any of the parts stores. Looks like it will end up having to be mail order.

Anyone know of an interchangeable battery for a 1300 that can be found locally?

Jim

Sent from my PB99400 using Tapatalk
 
Has anybody else tried the Motobatt MBTX12U for an ST-1100? I run a 95 ST-1100AS and just got one of these but it doesn't fit. There's not enough room for the retaining bracket, nor really for the terminals. The old battery is a Varta YTX14-BS.
 
I just bought a Western Power Sports battery at my local dealer for $80, half the price of the Yuasa. It's the same size, the only difference I can see is that the terminals are not threaded like the Yuasa. The battery is sealed and factory activated. I put it on my battery tender and it showed a full charge within a couple minutes. So far so good. I can raise and lower the wind sheild several times and it will still start the bike. The original battery could not do that even when it was fairly new. Only time will tell how good this battery compared to the original battery.
 
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