AGM battery suggestion

Mofosheee

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For various reasons I'm not a fan of LiPo's. I'm looking for an AGM battery to fit my 73 commando (with out electric start)
Is there someone out here that can vouch for a particular brand and size that they've had success with?

Thanks!
 
Motobat seems to make a good battery for the price. Yuasa is probably the best, or something not made in China.
 
I've always used the Motobatt. Good value for the price. W/o electric start use the 9 amp
 
I was using the cheapest AGM batteries on Amazon - PowerStar. However, about 25% of them were crap. The rest have been working well for a long time. I recently started using "Might Max" and so far, I've have had no problems. https://a.co/d/fszNNhK

They are a US company, but I have no idea where the batteries are made. It is nice that they have online warranty registration - most of the inexpensive batteries have none of that, not even a date code on the battery.

I've had customer bikes with MotoBlatt batteries, and they have always been good so I would consider them as well.
 
I have had terrible luck with motobat batteries. If the sit without a trickle charge they sulfate easier than other batteries I have used. I use Yuasa as a preference as I think they stand more abuse. I am not particularly fastidious with my battery care.
 
I have had terrible luck with motobat batteries. If the sit without a trickle charge they sulfate easier than other batteries I have used. I use Yuasa as a preference as I think they stand more abuse. I am not particularly fastidious with my battery care.
Yup. I have had several. China made sketchy quality.

In 2004, I discovered the Deka Sports Power line of AGM batteries.

Top quality, Made in USA batteries that last 7-9 years.

In the Norton I use the ETX9


I have them in all my bikes, ATV's, snowmobiles, tractor. (Except a couple odd size Japanese bikes with tiny batteries.
 
I've always used the cheap AGM batteries from our local pushers (Biltema.dk), usually with good results. The last ones I bought died early so I decided to try a Yuasa. That died in less than 9 months, so I'm back to the cheap brands.
The batteries are always stored on a dry warm shelf over the winter, and I use my Optimate charger every month or two to keep them topped up. This usually results in a life of 5+ years, the Yuasa so far has the record for the shortest life (and highest cost!)
 
I believe they are almost all made in China now.
I recently 'upgraded' my Commando from a generic 1.3 ah AGM to 2.8 ah.
No need for anything bigger on a kickstart bike.
The 1.3 ah lasted 10 years, and is still not dead.

AGM battery suggestion
 
Last edited:
I believe they are almost all made in China now.
I recently 'upgraded' my Commando from a generic 1.3 ah AGM to 2.8 ah.
No need for anything bigger on a kickstart bike.
The 1.3 ah lasted 10 years, and is still not dead.

AGM battery suggestion
I use the same alarm batteries, will last years but if you read the Yuasa spec they go on about vibration being an issue but in real life its never been an issue on a B44, B25 or 850 Commando.
 
I believe they are almost all made in China now.
I recently 'upgraded' my Commando from a generic 1.3 ah AGM to 2.8 ah.
No need for anything bigger on a kickstart bike.
The 1.3 ah lasted 10 years, and is still not dead.

AGM battery suggestion



Deka Sports Power are made in Lyons Station, PA USA


AGM battery suggestion
 
I believe they are almost all made in China now.
I recently 'upgraded' my Commando from a generic 1.3 ah AGM to 2.8 ah.
No need for anything bigger on a kickstart bike.
The 1.3 ah lasted 10 years, and is still not dead.

AGM battery suggestion
I agree
I believe they are almost all made in China now.
I recently 'upgraded' my Commando from a generic 1.3 ah AGM to 2.8 ah.
No need for anything bigger on a kickstart bike.
The 1.3 ah lasted 10 years, and is still not dead.

AGM battery suggestion
I agree.... "for a kickstart bike...."
 
Is that really an agm or a gel cell? Gel batteries are good for lower current applications but not for high current(e.g. electric start). I thin the line is being crossed with hybrids of the two types. As I understand it they are both lead acid but there is a glass mat absorbing the acid and maintaining the distance between the plates in an AGM while the gel cells thicken the acid into gel. I think some batteries now use a gel with a glass mat.

In the US the Yuasa batteries are made in different places. At least for a while East Penn was making at least some Yuasa batteries in the US. The cost of batteries are heavily weighted by shipping due to the weight so many battery brands will be made locally to save the shipping cost. I have had some only fair yuasa batteries in the last few years. A big difference from the reliability of Yuasa in the 70s where many would last 10 yrs.
 
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