Quick project. Swap stock battery for Antigravity one.

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80shilling

80shilling

Joined
Jan 30, 2015
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San Francisco, CA
About the easiest possible project, but worthwhile I think.

Swapped the stock Yuasa with 110 cold cranking amps and 6A capacity, for an Antigravity with almost TRIPLE the CCA and 9A capacity. 5.8 lbs for the Yuasa vs. 1.4 for the Antigravity.

Cold starts are a bit quicker, with less wheezing, but hot starts are instantaneous.. fires up in what seems like 1/10th of a second.

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Took all of 15 minutes to do. for a 4.4 lb weight savings, but far more importantly, triple the cranking power (theoretically.).
 
can you use normal battery chargers with those? you can with earthX lithiums, which is why I went with those. Same performance - but because they mount the contact thingies in the middle (which is easier for them because they don't have to make left-sided/right-sided batteries), actually connecting the leads to the posts was a pain, even with the supplied adapters, which don't quite fit right and required a lot of Dremel work.
 
kismetcapitan said:
can you use normal battery chargers with those? you can with earthX lithiums, which is why I went with those. Same performance - but because they mount the contact thingies in the middle (which is easier for them because they don't have to make left-sided/right-sided batteries), actually connecting the leads to the posts was a pain, even with the supplied adapters, which don't quite fit right and required a lot of Dremel work.
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No, you have to use a Lithium specific charger. I almost bought the EarthX, but this Antigravity is an exact size match and has the terminals in the correct position, plus it seems to be the lightest.

I bought an Optimate Lithium specific charger for around $50 to go with this battery.

Cheers.
 
80shilling said:
No, you have to use a Lithium specific charger. I almost bought the EarthX, but this Antigravity is an exact size match and has the terminals in the correct position, plus it seems to be the lightest.

I bought an Optimate Lithium specific charger for around $50 to go with this battery.

Cheers.
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well, I saved on having to buy a lithium-specific charger, but I probably did far more than $50 of cussing and sweating to get that bulky-... EarthX to fit....
 
kismetcapitan said:
well, I saved on having to buy a lithium-specific charger, but I probably did far more than $50 of cussing and sweating to get that bulky-... EarthX to fit....
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That's exactly why I went the easy route. I took the side panel off to take a look at the battery and realized the positive and negative wires had ZERO slack in them and decided I didn't want to deal with the hassle of replacing/extending the wires.

Seriously the easiest thing I can think of that I have ever installed on any of my vehicles...
 
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80shilling said:
That's exactly why I went the easy route. I took the side panel off to take a look at the battery and realized the positive and negative wires had ZERO slack in them and decided I didn't want to deal with the hassle of replacing/extending the wires.

Seriously the easiest thing I can think of that I have ever installed on any of my vehicles...
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80shilling, would TecMate TM-141DUAL OptiMate 4DUAL 0.8Amp Weatherproof Desulfating Charger/Maintainer, work with Anitgavity?
 
I purchased one of these directly from antigravitybatteries.com for my 1199. I installed it and turned on the bike, giant battery light displayed on the dash. I checked the voltage and it was 9.7v. It states clearly in the instructions that it should at no point go below 11v. How could they be so sloppy as to ship one that is already bad... Ugh.

Really not happy for the price point of this battery. We will see how customer service deals with the situation.
 
lardawge said:
I purchased one of these directly from antigravitybatteries.com for my 1199. I installed it and turned on the bike, giant battery light displayed on the dash. I checked the voltage and it was 9.7v. It states clearly in the instructions that it should at no point go below 11v. How could they be so sloppy as to ship one that is already bad... Ugh.

Really not happy for the price point of this battery. We will see how customer service deals with the situation.
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Most of batteries I bought in the past always need to be recharge before install. Does it has to be recharge it first (manual instructions) or get voltage reading before you install it?
 
bigdzx6r said:
Most of batteries I bought in the past always need to be recharge before install. Does it has to be recharge it first (manual instructions) or get voltage reading before you install it?
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It takes a special charger that most people don't have... Including myself. They state that it should NEVER drop below 11v because it kills the battery. They should come fully charged.

I have purchased Shorai in the past and they come fully charged. Thought I would switch it up because it is exactly the same size as the original. That part of it is great. Just need it to work now.
 
Yeah, I just hooked it up to the Lithium specific charger that I bought and made sure I charged the battery for a full 12 hours, then installed it.

I didn't want to chance installing a battery that wasn't already fully charged.
 
80shilling said:
Yeah, I just hooked it up to the Lithium specific charger that I bought and made sure I charged the battery for a full 12 hours, then installed it.

I didn't want to chance installing a battery that wasn't already fully charged.
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Did you check the voltage when you received it? There is a button on top that when pressed, indicates the level of charge. Mine was low when I opened the box.

I would be mind blown if they assumed everyone owns or has to buy a charger in addition to the battery.
 
well, I'm now glad I got an EarthX. It's bulky because there's some circuitry on top that lets you use any regular charger. It also shuts the battery completely off if the voltage drops below a certain point. In order to reset the switch, there's a procedure where you have to "jump" the battery off of another one that's putting out over 13 volts, for a couple minutes. Anyways, in theory it should make the battery nearly impossible to kill by overdraining it.
 
The internal circuitry usually prevents excessive discharge of LiFePO4, but if they are excessively discharged they're toast - not nearly as "forgiving" as lead-acid/AGM. I learned the hard way on a $1M solar project. Obviously the risk for this application is low.
 
fzr100098 said:
The internal circuitry usually prevents excessive discharge of LiFePO4, but if they are excessively discharged they're toast - not nearly as "forgiving" as lead-acid/AGM. I learned the hard way on a $1M solar project. Obviously the risk for this application is low.
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The charger I got, has a "bring it back from the dead" mode... Seems like a good deal for around $60.

Cheers.
 

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