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General Category >> Rubber Side Down! >> Another Possible Smaller Battery Option - ???
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Message started by DustyCrusty on 02/08/21 at 15:40:43

Title: Another Possible Smaller Battery Option - ???
Post by DustyCrusty on 02/08/21 at 15:40:43

Hi all.
I've been working on a bobber conversion this winter. Thank god for this project since I can't travel at least I have a project to fill my time.
I've done a bunch of reading on this forum about the smaller battery options. For various reasons which I am sure are debatable I want to stick with an AGM battery.

I thought the ideas about the YTZ7S battery are brilliant but I would like more than the 6 AH capacity that it has.
So after reviewing different battery sizes, I thought that a YT9B-BS battery may fit. It claims 8 AH which is a 33% increase over the much talked about YTZ7S however the CCA is slightly less. The YTZ7S claims 130 CCA while the YT9B claims 120 CCA. I think it should be sufficient ??? The Yt9B is the same height and width as the YTZ7S but it is 1 1/2 inches longer and would extend under the swing arm cross member.

I made a wood mockup of the battery to be sure that it will fit. I have 1/4" clearance under the swing arm cross member. I had to remove the exhaust and the front belt sprocket cover. Then by loosening the bolts of the exhaust hanger bracket, I can pivot the bracket and slip the battery in. A bit of work but if I only have to do it every 2 to 3 years I don't mind.
Not sure yet whether to go with a Yuasa brand or generic. The Yuasa is twice the price but I am pretty confident it will out last a generic.

This is a bobber and I am changing the rear fender. This battery install will not work if keeping the oem fender.

Before I proceed with this, I would appreciate any thoughts from the forum family.

Here are a few pics.
http://[img][/img]

Title: Re: Another Possible Smaller Battery Option - ???
Post by Slowlane on 02/09/21 at 17:03:55

I'm not getting much out of your photos but I know its hard to photorelate some things. I am going thru a battery change right now and I want to keep the bike stock as much as possible. I want a smaller battery because the OEM and the OEM box takes up all the room to do anything on the bike and it's a mother to get out. Right now my wood box prototype is drying from the walnut stain. It's gonna get 3 coats of helmsman marine clear and look really good. I'm also extending the cables to be able to connect and un-connect them. Slowlane

Title: Re: Another Possible Smaller Battery Option - ???
Post by ohiomoto on 02/10/21 at 05:00:14

You can get more CCAs in a smaller package.

Antigravity makes small form batteries with more CCA than those. I have one and it fires up the LS without fail. It's been maintenance free for the past 3 years. I left my key on twice though. Had to take my seat of to get a jump once. I was able to bump start it the other time.

https://antigravitybatteries.com/products/starter-batteries/small-case/ag-801/

Title: Re: Another Possible Smaller Battery Option - ???
Post by Slowlane on 02/19/21 at 14:51:53

Trying to post pics of my new battery and battery box.

http://[img]https://i.postimg.cc/WbXbmByS/IMG-0140.jpg (https://postimg.cc/vcxsbNb6)http://https://i.postimg.cc/DyDRK54n/IMG-0165.jpg (https://postimg.cc/QHQfQQqy)http://https://i.postimg.cc/9Q7KXTyT/IMG-0167.jpg (https://postimg.cc/nXn00XRc)[/img]

Title: Re: Another Possible Smaller Battery Option - ???
Post by badwolf on 02/19/21 at 17:37:45

If you really want it out of wood, fine.
If you would like to make it out of something more weather hardy, but still easy to work with, check with local sign shops in your area. Some of them have CNC machines that cut out shapes or letters or whatever out of sheets of pvc. I picked up some scraps from behind one that were headed for the dumpster in 1/4'',1/2'', and 3/4''. They get it in 5' sheets and throw away the scraps when they run out of room. The odd sized pieces left over can be used to make all kinds of stuff at home.
For your battery box I'm thinking some 1/4'' stuff would be easy to work with, look good and stand up to the weather.

Title: Re: Another Possible Smaller Battery Option - ???
Post by hotrod on 02/19/21 at 18:59:07

It's not furniture. Paint it black. :o :o

Title: Re: Another Possible Smaller Battery Option - ???
Post by ckahleer on 02/19/21 at 21:54:53

Batteries can get hot. When designing a box, take into account how the battery will dissipate heat. Also, the smaller the battery, the hotter it will get. Less surface area to dissipate heat.

Title: Re: Another Possible Smaller Battery Option - ???
Post by Ruttly on 02/19/21 at 23:39:31

I made my battery box using paper mache with paper from a wasp nest (that’s a whole other story) with a few squares of Charmin for the corners and edge. Tuff stuff and cheap enough for JOG.

Title: Re: Another Possible Smaller Battery Option - ???
Post by norm92de on 02/20/21 at 16:53:38

What is wrong with the Suzuki battery box. The last time I looked it was just fine and I can buy a battery at most outlets. DUH.

Title: Re: Another Possible Smaller Battery Option - ???
Post by Slowlane on 02/21/21 at 10:54:11

The OEM batt box eats up all the room to where it's impossible to get to the battery terminals...its also in the way when you have to remove/replace the carb.
4F4E534C18134544210 wrote:

What is wrong with the Suzuki battery box. The last time I looked it was just fine and I can buy a battery at most outlets. DUH.

Title: Re: Another Possible Smaller Battery Option - ???
Post by Slowlane on 02/21/21 at 10:55:23

3F373D343039392E5C0 wrote:

Batteries can get hot. When designing a box, take into account how the battery will dissipate heat. Also, the smaller the battery, the hotter it will get. Less surface area to dissipate heat.

Thanks for the tip....will keep a eye on it.

Title: Re: Another Possible Smaller Battery Option - ???
Post by Slowlane on 02/21/21 at 10:57:21

5A584B554B495158504B390 wrote:

I was gonna use 3/8" polyethylene cutting board but figured paint would not stick to it.

Title: Re: Another Possible Smaller Battery Option - ???
Post by Slowlane on 02/21/21 at 10:58:25

062F23232B3C7F4E0 wrote:

It's not furniture. Paint it black. :o :o

Good idea...will do next time I snatch it out.

Title: Re: Another Possible Smaller Battery Option - ???
Post by Ruttly on 02/21/21 at 22:44:31

Ahhhh , It gives it personality. Functions well even if crude with the home made look. Folk Art on wheels. Just ride it.

Title: Re: Another Possible Smaller Battery Option - ???
Post by Slowlane on 02/28/21 at 10:37:37

I had to pull my carb a few days ago. It was a dream not having to remove the battery and the battery box Especially putting it back in. The smaller (and much cheeper) battery is performing very well. Next time I pull it I'm gonna paint it black or do a black carbon overlay.