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#12294668 - 06/14/17 07:53 PM Re: Lithium boat batteries. [Re: Superfish]
CDubSmith2 Offline
Angler

Registered: 08/10/13
Posts: 287
Loc: 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.

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#12294674 - 06/14/17 07:55 PM Re: Lithium boat batteries. [Re: furpfish]
CDubSmith2 Offline
Angler

Registered: 08/10/13
Posts: 287
Loc: 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!

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#12294695 - 06/14/17 08:03 PM Re: Lithium boat batteries. [Re: Superfish]
the skipper Online   content
TFF Team Angler

Registered: 07/04/11
Posts: 4271
Loc: 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.

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#12294704 - 06/14/17 08:04 PM Re: Lithium boat batteries. [Re: Muzzlebrake]
the skipper Online   content
TFF Team Angler

Registered: 07/04/11
Posts: 4271
Loc: 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.

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#12294709 - 06/14/17 08:05 PM Re: Lithium boat batteries. [Re: CDubSmith2]
the skipper Online   content
TFF Team Angler

Registered: 07/04/11
Posts: 4271
Loc: 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

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#12300594 - 06/19/17 08:52 AM Re: Lithium boat batteries. [Re: furpfish]
BMCD Offline
TFF Team Angler

Registered: 11/01/02
Posts: 4252
Loc: Katy, Texas US
Sometime next year I believe the current lithium's will be out of date. How much cheaper is the question.

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#12300622 - 06/19/17 09:16 AM Re: Lithium boat batteries. [Re: furpfish]
Muzzlebrake Offline
Extreme Angler

Registered: 12/26/14
Posts: 1664
Loc: Euless
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!


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#12300661 - 06/19/17 09:37 AM Re: Lithium boat batteries. [Re: furpfish]
BMCD Offline
TFF Team Angler

Registered: 11/01/02
Posts: 4252
Loc: Katy, Texas US
Muzzle, the weight on those is a lot. 60lbs per battery ain't saving me that much weight.

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#12302952 - 06/20/17 02:49 PM Re: Lithium boat batteries. [Re: the skipper]
CDubSmith2 Offline
Angler

Registered: 08/10/13
Posts: 287
Loc: 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.

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#12304772 - 06/21/17 01:28 PM Re: Lithium boat batteries. [Re: furpfish]
texasbass1 Offline
TFF Celebrity

Registered: 02/12/05
Posts: 6238
Loc: The Colony, TX
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

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#12305614 - 06/21/17 09:19 PM Re: Lithium boat batteries. [Re: CDubSmith2]
the skipper Online   content
TFF Team Angler

Registered: 07/04/11
Posts: 4271
Loc: nederland, TX
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.

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#12306837 - 06/22/17 03:23 PM Re: Lithium boat batteries. [Re: texasbass1]
Muzzlebrake Offline
Extreme Angler

Registered: 12/26/14
Posts: 1664
Loc: Euless
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!


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#12821095 - 07/09/18 07:05 AM Re: Lithium boat batteries. [Re: steve hummert]
RedRanger Offline
burro desagradable

Registered: 08/20/03
Posts: 24031
Loc: Frisco, Texas
Originally Posted By: steve hummert
Not AGM, they are Lithium


Waiting for your link?

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#12825978 - 07/12/18 02:45 PM Re: Lithium boat batteries. [Re: furpfish]
Mo Offline
TFF Guru

Registered: 10/08/01
Posts: 12617
Loc: Lake Palestine/Cherokee co
I think you will waiting this time next year , also. smile

MO
_________________________

MY BACKYARD , 20,000 ACRES , NO MOWING smile

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#12851866 - 08/03/18 07:42 AM Re: Lithium boat batteries. [Re: Superfish]
Marc on Cedar Creek Offline
Outdoorsman

Registered: 01/01/18
Posts: 31
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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