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Message started by SavageMan99 on 08/13/18 at 08:33:12

Title: Antigravity batteries...
Post by SavageMan99 on 08/13/18 at 08:33:12

Where to buy one for cheapish thatll turn over a high compression piston.

Title: Re: Antigravity batteries...
Post by GOF on 08/13/18 at 08:40:10

Not sure. But with the decompressor operational wouldn't the stock battery suffice?

Title: Re: Antigravity batteries...
Post by ohiomoto on 08/13/18 at 08:45:16

I have the AG-801 (https://shop.antigravitybatteries.com/products/starter-batteries/small-case/ag-801/) under my seat. It's small. light and it cranks up the 650 with ease. But it's too small for the stock battery box. You would need longer cables or need to shim it up to the top of the box.

You can get one here: https://shop.revivalcycles.com/antigravity-8-cell-small-case-battery/
or here: https://www.amazon.com/Antigravity-Batteries-AG-801-Lithium-Motorcycle/dp/B008R0L05Y

If you want one to fit your stock box, look here for an OEM sized replacement:
https://shop.antigravitybatteries.com/productline/starter-batteries/oem-size/

http://suzukisavage.com/yabb2.2/Attachments/IMG_20170309_215138643.jpg

Title: Re: Antigravity batteries...
Post by verslagen1 on 08/13/18 at 09:05:15

To reasonably compare to a stock battery, you need 8 cells.
I believe a 4 cell battery will do most of the time, but will let you down some of the time.
14v is the optimal charging voltage for Li ion batteries.
The savage and most stock bikes has 13.3v and while it is not optimal, it will keep it charged.
I have a 8 cell Li ion and on a hot day it just barely had enough juice to get the starter going to restart with a high comp piston.

Cheapish is relative, something that shouldn't be inferred with Li ion bats.

Title: Re: Antigravity batteries...
Post by ohiomoto on 08/13/18 at 10:30:09

796A7D7C636E686A613E0F0 wrote:

To reasonably compare to a stock battery, you need 8 cells....I have a 8 cell Li ion and on a hot day it just barely had enough juice to get the starter going to restart with a high comp piston.

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Are you using decompression on your bike?

I ride my bike to work as much as I can throughout the year until morning temperatures drop below freezing. My 8 cell AG-801 has more cranking amps than the stock battery and has had no issues cranking over my bike in any condition between mid-30 and mid-90 degree temperatures. I left the battery in the bike last winter without a battery tender and it fired up with no issues. I have a completely stock electrical system (except for my tail light and turn signals) with no parasitic drains.

Title: Re: Antigravity batteries...
Post by BSTON on 08/15/18 at 13:45:15

I bought mine from Pegasus Racing Supplies and have the 8 cell.

https://www.pegasusautoracing.com/group.asp?GroupID=ANTIGRAVITY

Title: Re: Antigravity batteries...
Post by batman on 08/16/18 at 07:48:41

AG -801, 8 cell , 9ah, 240 cca