Antigravity batteries?? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 12 (permalink) Old 06-01-2014, 10:41 PM Thread Starter
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Antigravity batteries??

Anyone ever try one of these batteries? I have the Yuasa battery but and curious as to why this battery claims so much more power. This link is for the vn750 battery.
http://antigravitybatteries.com/ag-1601/


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post #2 of 12 (permalink) Old 06-02-2014, 01:30 AM
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While i have not used one of these antigravity batteries the reason that it would be more powerful is that this is a lithium ion battery.

Lithium Ion is going to be substantially more expensive in most cases but you get several advantages, it doesn't discharge as much over extended periods of no use (so you may be able to pop it right back in the bike come spring, no charging required), Li-Ion is typically a more power rich type of battery as well so that would explain the higher amperage.

There are a couple of things that you want to be aware of though, first is the fact that current Li-ion batteries typically only last for a few years before they go bad so I would look around to see what others have said about this battery (as you are doing here) or wait a couple years because Li-ion is constantly changing at the moment. Second you may have to mod the bike if you use a Li-ion battery because they are very particular about voltage levels. If your bike is putting out more power than the battery can take there is a risk of a Li-ion battery going up in flames.

*Edit* I would just contact the company to see what the safe operating voltage is for the battery, I wouldn't think you should need to do anything as far as mods go because this is made for use in motorcycles but I would think better to have checked and found it perfectly safe for your bike than having an issue down the road.

Last edited by Kilrath; 06-02-2014 at 01:44 AM.
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post #3 of 12 (permalink) Old 06-02-2014, 07:59 AM
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I purchased a Battery Tender Lithium-Ion Battery two months ago and put it in my bike. It is a lightweight battery with a very good guarantee. It comes 70% charged and has a shelf life of 6 months. It should not get below that 70% charge. I placed it in my Vulcan as soon as I got home and it cranked the biker over right away!! My brother in law is a M/C and ATv mechanic and had a lot of good things to say about this battery. Off the shelf, it was $130. I like the battery so far!!

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post #4 of 12 (permalink) Old 06-02-2014, 11:51 AM
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at $289.99 a battery....you got to be Fing nuts!!

AGM battery works fine and sits all winter without a charge and cranks right up....and it only costs $60.
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post #5 of 12 (permalink) Old 06-02-2014, 12:15 PM Thread Starter
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That's what I was thinking. Hence the reason I was asking if anyone has actually gotten of them. Didn't know if there was some sort of magical secret to this battery.


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at $289.99 a battery....you got to be Fing nuts!!

AGM battery works fine and sits all winter without a charge and cranks right up....and it only costs $60.
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post #6 of 12 (permalink) Old 06-02-2014, 12:21 PM
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post #7 of 12 (permalink) Old 06-02-2014, 12:27 PM
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These are really intended for bikes trying to save every amount of weight possible. Seeing as we're not setting up VN750s for drag racing / track days, the weight of an AGM isn't an issue.

1986 Kawasaki Vulcan 750
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Duralast Gold ETX15 AGM Battery
Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
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V&H Cruzers
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1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

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post #8 of 12 (permalink) Old 06-02-2014, 01:16 PM
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From what I heard the Li batteries don't like cold weather.... So if you ride year round you might have some starting issues when the temps go below 50.

There are companies that do sell Li ion batteries for less by the way....

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post #9 of 12 (permalink) Old 06-02-2014, 03:15 PM Thread Starter
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I'm at least thinking of ordering their jumper pack. It's so small and easy to just keep in my front tool bag.
http://www.jpcycles.com/product/126-883

If you watch the video, it's quite impressive to hold that much juice after starting up the motorcycle twice and a truck 3 times.
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post #10 of 12 (permalink) Old 06-02-2014, 03:50 PM
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Quote:
Originally Posted by KevinWilsonNYC View Post
I'm at least thinking of ordering their jumper pack. It's so small and easy to just keep in my front tool bag.
http://www.jpcycles.com/product/126-883

If you watch the video, it's quite impressive to hold that much juice after starting up the motorcycle twice and a truck 3 times.
You can save $100+ by bump starting the bike. Cool thing none the less!

1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
Tuxedo Mod
Rebuilt Forks w/ Progressive Springs
V&H Cruzers
VN750.com Grill Cover
Meanstreak Seat
Emgo 23-92411 Handlebars
MOSFET FH012AA R/R


1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

2014 Honda VFR800F

1989 Pontiac Firebird Formula 350
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