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Re: Lithium boat batteries. [Re: Superfish] #12294668
06/15/17 12:53 AM
06/15/17 12:53 AM
Joined: Aug 2013
Posts: 287
Wortham, Tx
CDubSmith2 Offline
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Wortham, Tx
Not true. Lithiums will last 8-10 years. They're also warranties for this long in some cases, I own some. 4 years on a 12VDC system and zero issues so far.

The key to a battery is regulation and discharge. Take care of it and it will take care of you.

Re: Lithium boat batteries. [Re: furpfish] #12294674
06/15/17 12:55 AM
06/15/17 12:55 AM
Joined: Aug 2013
Posts: 287
Wortham, Tx
CDubSmith2 Offline
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Wortham, Tx
I paid $900 for a 12V 110 aH battery, complete with a built in charge regulator and low volt disconnect. After 2 years it paid for itself!

Re: Lithium boat batteries. [Re: Superfish] #12294695
06/15/17 01:03 AM
06/15/17 01:03 AM
Joined: Jul 2011
Posts: 4,481
nederland, TX
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the skipper Online content
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nederland, TX
Originally Posted By: Superfish
As a guy who tests batteries and battery systems at data centers and black start power plants - here is the scoop on batteries: If you maintain them well, use them sparingly and keep them stored at 70F year round - they will last 48mo max, in reality a car, boat or marine battery will give you 36mos on average assuming you keep water on them, float them and equalize them or have a good charger that does all that. 2 years will use about 75% and the final year will leave you hanging. AGM, Flooded Lead Acid and even Lithium about the same.


If anyone ever invented a battery that could last for 20 years there is a 1 billion dollar government check waiting

I've had plenty of batteries go over the 48 mo timeline. My last set of everstarts I replace was going on over 5.

Re: Lithium boat batteries. [Re: Muzzlebrake] #12294704
06/15/17 01:04 AM
06/15/17 01:04 AM
Joined: Jul 2011
Posts: 4,481
nederland, TX
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nederland, TX
Originally Posted By: Muzzlebrake
Nascar has been using Lithium batteries for years now in their race cars. 2 batteries only weigh about 35 lbs. These engines are hard on charging systems and many times they have to rely on the batteries to get them thru to the end. They have 2 lithiums and a dash switch to change over to a fresh battery should the alternator fail. Happens a lot on JR's No 88 car it seems. NASCAR states that typically they can expect 10 year life from these batteries if everything goes good. http://crateinsider.com/go-lithium-introduces-new-16-volt-lithium-battery-for-race-cars/

Don't believe people that get paid to say stuff. NASCAR is hurting so bad they would tell you your $#!t doesn't stink for little to no money.

Re: Lithium boat batteries. [Re: CDubSmith2] #12294709
06/15/17 01:05 AM
06/15/17 01:05 AM
Joined: Jul 2011
Posts: 4,481
nederland, TX
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nederland, TX
Originally Posted By: Cwaynesmith2
I paid $900 for a 12V 110 aH battery, complete with a built in charge regulator and low volt disconnect. After 2 years it paid for itself!

So you burn up a $450 battery a year? Your buying the wrong batteries

Re: Lithium boat batteries. [Re: furpfish] #12300594
06/19/17 01:52 PM
06/19/17 01:52 PM
Joined: Nov 2002
Posts: 4,300
Katy, Texas US
BMCD Offline
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Sometime next year I believe the current lithium's will be out of date. How much cheaper is the question.

Re: Lithium boat batteries. [Re: furpfish] #12300622
06/19/17 02:16 PM
06/19/17 02:16 PM
Joined: Dec 2014
Posts: 1,664
Euless
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Muzzlebrake Offline
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Next generation may be Li-Po Only 28 lbs for a 100ah 12v
http://www.batteryspace.com/lifepo4-pris...3-2vx4-dgr.aspx


From Genesis: "And God promised men that good and obedient wives would be found in all corners of the earth."

Then He made the earth round...and He laughed and laughed and laughed!

Re: Lithium boat batteries. [Re: furpfish] #12300661
06/19/17 02:37 PM
06/19/17 02:37 PM
Joined: Nov 2002
Posts: 4,300
Katy, Texas US
BMCD Offline
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Muzzle, the weight on those is a lot. 60lbs per battery ain't saving me that much weight.

Re: Lithium boat batteries. [Re: the skipper] #12302952
06/20/17 07:49 PM
06/20/17 07:49 PM
Joined: Aug 2013
Posts: 287
Wortham, Tx
CDubSmith2 Offline
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Wortham, Tx
No, we use up 2 - 70ah gel cells every 2-3 years, plus the cost one time cost of a LVD and solar regulator, depending on weather patterns which have sucked for solar sites the last 2 years.

Gel batteries only come with a 1 year warranty and fluctuate considerably on price. I've paid anywhere from $200-$262 each in the last 2 years. If the pocket is deep enough to withstand the initial cost, lithium is the way to go.

Re: Lithium boat batteries. [Re: furpfish] #12304772
06/21/17 06:28 PM
06/21/17 06:28 PM
Joined: Feb 2005
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The Colony, TX
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texasbass1 Offline
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I've been interested in lithium but with the cost of the batteries, new expensive chargers and the issues with fires. I'm going to wait and see.


Pat Leach



USAF MSgt Retired
Re: Lithium boat batteries. [Re: CDubSmith2] #12305614
06/22/17 02:19 AM
06/22/17 02:19 AM
Joined: Jul 2011
Posts: 4,481
nederland, TX
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Originally Posted By: Cwaynesmith2
No, we use up 2 - 70ah gel cells every 2-3 years, plus the cost one time cost of a LVD and solar regulator, depending on weather patterns which have sucked for solar sites the last 2 years.

Gel batteries only come with a 1 year warranty and fluctuate considerably on price. I've paid anywhere from $200-$262 each in the last 2 years. If the pocket is deep enough to withstand the initial cost, lithium is the way to go.

Well, I will just be honest. I don't know what the lvd and all that runs or what your using it for. So I really don't know what they cost but it would have to be a lot to make up the difference. Not saying you made the wrong decision. If it works for you then that's all that matters. That's what everybody has to look at and weigh the decision on.

Re: Lithium boat batteries. [Re: texasbass1] #12306837
06/22/17 08:23 PM
06/22/17 08:23 PM
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Euless
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Originally Posted By: texasbass1
I've been interested in lithium but with the cost of the batteries, new expensive chargers and the issues with fires. I'm going to wait and see.



Lithium ion is fine. It's the Lithium Polymer that are potentially dangerous. Li-po batteries have to be regulated and wired correctly and if the regulator is not sized correctly or regulator malfunction happens a dangerous fire can erupt.
Li-po are the lightest weight of all batteries and are what is used in electric powered UAV's, RC Aircraft etc.


From Genesis: "And God promised men that good and obedient wives would be found in all corners of the earth."

Then He made the earth round...and He laughed and laughed and laughed!

Re: Lithium boat batteries. [Re: steve hummert] #12821095
07/09/18 12:05 PM
07/09/18 12:05 PM
Joined: Aug 2003
Posts: 24,223
Frisco, Texas
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Originally Posted By: steve hummert
Not AGM, they are Lithium


Waiting for your link?

Re: Lithium boat batteries. [Re: furpfish] #12825978
07/12/18 07:45 PM
07/12/18 07:45 PM
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Posts: 12,694
Lake Palestine/Cherokee co
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Mo Offline
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Lake Palestine/Cherokee co
I think you will waiting this time next year , also. smile

MO



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Re: Lithium boat batteries. [Re: Superfish] #12851866
08/03/18 12:42 PM
08/03/18 12:42 PM
Joined: Jan 2018
Posts: 38
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Marc on Cedar Creek Offline
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Originally Posted By: Superfish
As a guy who tests batteries and battery systems at data centers and black start power plants - here is the scoop on batteries: If you maintain them well, use them sparingly and keep them stored at 70F year round - they will last 48mo max, in reality a car, boat or marine battery will give you 36mos on average assuming you keep water on them, float them and equalize them or have a good charger that does all that. 2 years will use about 75% and the final year will leave you hanging. AGM, Flooded Lead Acid and even Lithium about the same.


If anyone ever invented a battery that could last for 20 years there is a 1 billion dollar government check waiting


I will respectfully disagree about AGM lifespan. It's all about the specific application and charging.

I am in the battery business and have hundreds of applications with 10-12 year battery life using AGM's. In general, 7-9 years is common and quality manufacturers have a 5-7 year warranty. I have been selling around 2,000 batteries every year for the last 10 years for industrial equipment, marine, RV and off grid solar applications.

All batteries are not equal, unless you are buying from the low bidder......

Marc

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