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Lithium Batteries #14036578 06/18/21 08:30 PM
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Dad2rlkm Offline OP
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Have any of you guys gone with lithium batteries? If so, did you go with the 54 amp hour or 100 amp hour batteries? Also, did anyone try the big single 36 volt 63 amp hour battery? Finally, can you run a lithium battery as your cranking battery?

Re: Lithium Batteries [Re: Dad2rlkm] #14037072 06/19/21 12:46 PM
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steve@hydrodynamics Offline
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yamaha sho or mercury does NOT recommend lithium as a starting battery.
AGM is best for starting.


www.hydrodynamics-usa.com
info@hydrodynamics-usa.com
903-763-5225




Re: Lithium Batteries [Re: Dad2rlkm] #14037111 06/19/21 01:50 PM
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Micheal Online Content
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Steve, where did you get the information that supports your statement. Just wondering, as being a Dakota Lithium dealer I have not seen anything that says that.
Yamaha Ser. manual for a 250 SHO says the ratings needed should be 680-1150 CCA. That equates to 94Ah-159Ah. That being the case, the Dakota 12V100Ah battery is sufficient. This information is found in Yamaha's Owner's manual for F225-LF300 (LIT-18826-12-05). I am going to make the leap and say that Mercury and the rest on the big motors are similar.


Micheal's Marine. Mobile Boat-Motor Repair Ser.

Re: Lithium Batteries [Re: Micheal] #14037214 06/19/21 03:41 PM
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bronco71 Online Content
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Originally Posted by Micheal
Steve, where did you get the information that supports your statement. Just wondering, as being a Dakota Lithium dealer I have not seen anything that says that.
Yamaha Ser. manual for a 250 SHO says the ratings needed should be 680-1150 CCA. That equates to 94Ah-159Ah. That being the case, the Dakota 12V100Ah battery is sufficient. This information is found in Yamaha's Owner's manual for F225-LF300 (LIT-18826-12-05). I am going to make the leap and say that Mercury and the rest on the big motors are similar.

I would think that the outboard charging is a problem with the lithium battery for starting. I don't see the draw ratings being a problem but they are very picky about charging....


1999 Triton TX21/225 Mercury Optimax
Re: Lithium Batteries [Re: Micheal] #14037460 06/19/21 10:17 PM
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Dad2rlkm Offline OP
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I would be interested in talking to you sir. Dakota batteries was actually what I was wanting to go with. Can you give me a phone number for your business please?

Re: Lithium Batteries [Re: Dad2rlkm] #14037687 06/20/21 03:11 AM
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grout-scout Online Content
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Merc sent out a letter stating that they do not recommend lithiums, but yet most White River marine boats (which all come with Mercury’s) are available with the Tracker Re-Lion Lithiums.


Don’t waste your money on a 50, it’s not big enough for electronics. Go with the biggest one, a 125ah.

Re: Lithium Batteries [Re: Dad2rlkm] #14037839 06/20/21 12:45 PM
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I would be interested in seeing a copy of that letter. Makes no sense that a Mercury dealer would put install lithium batteries if their motor suppler does not recommend them. Hearsay is not a statement of fact.
Dad2rklm PM sent.


Micheal's Marine. Mobile Boat-Motor Repair Ser.

Re: Lithium Batteries [Re: Micheal] #14037841 06/20/21 12:50 PM
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Originally Posted by Micheal
I would be interested in seeing a copy of that letter. Makes no sense that a Mercury dealer would put install lithium batteries if their motor suppler does not recommend them. Hearsay is not a statement of fact.
Dad2rklm PM sent.




Google is easy to use.


http://www.bbcboards.net/showthread.php?t=1107423

Re: Lithium Batteries [Re: grout-scout] #14037853 06/20/21 01:02 PM
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Originally Posted by grout-scout
Originally Posted by Micheal
I would be interested in seeing a copy of that letter. Makes no sense that a Mercury dealer would put install lithium batteries if their motor suppler does not recommend them. Hearsay is not a statement of fact.
Dad2rklm PM sent.




Google is easy to use.


http://www.bbcboards.net/showthread.php?t=1107423


Beat me to it. I was just about to post the same link. Has me wondering though how WRM is doing this when it goes directly against Mercury's installation guidelines.

Re: Lithium Batteries [Re: Dad2rlkm] #14037961 06/20/21 02:58 PM
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Yep, makes you wonder what would happen on a warranty claim.

Re: Lithium Batteries [Re: Dad2rlkm] #14038741 06/21/21 01:13 PM
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ssmith Offline
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wrmg may be using lithiums for trolling motor an regular batteries for outboard .

Re: Lithium Batteries [Re: ssmith] #14038910 06/21/21 03:53 PM
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Originally Posted by ssmith
wrmg may be using lithiums for trolling motor an regular batteries for outboard .

I just checked their website and they are using their lithium starting battery for cranking and lithium deep cycles for trolling motor. Looking at their lithium starting battery specs it shows to be good for alternator based charging systems.....It would be nice if this was cleared up cuz my lithium's for my trolling motor are great and I would love to safely put a lithium cranking battery in there....


1999 Triton TX21/225 Mercury Optimax
Re: Lithium Batteries [Re: bronco71] #14039088 06/21/21 05:53 PM
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Originally Posted by bronco71
Originally Posted by ssmith
wrmg may be using lithiums for trolling motor an regular batteries for outboard .

I just checked their website and they are using their lithium starting battery for cranking and lithium deep cycles for trolling motor. Looking at their lithium starting battery specs it shows to be good for alternator based charging systems.....It would be nice if this was cleared up cuz my lithium's for my trolling motor are great and I would love to safely put a lithium cranking battery in there....


Correct that they are offering them as a cranking battery but still no word on Mercury about it. So if theirs a problem who’s going to warranty it.

Re: Lithium Batteries [Re: Micheal] #14039167 06/21/21 06:42 PM
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Originally Posted by Micheal
Steve, where did you get the information that supports your statement. Just wondering, as being a Dakota Lithium dealer I have not seen anything that says that.
Yamaha Ser. manual for a 250 SHO says the ratings needed should be 680-1150 CCA. That equates to 94Ah-159Ah. That being the case, the Dakota 12V100Ah battery is sufficient. This information is found in Yamaha's Owner's manual for F225-LF300 (LIT-18826-12-05). I am going to make the leap and say that Mercury and the rest on the big motors are similar.


i have the mercury SOB here anytime you want to see it. printed out.

the yamaha from what i've been told is still under consideration due to the new 2022 charging systems. does not apply to previous year engines with less voltage output
through the charging system.


www.hydrodynamics-usa.com
info@hydrodynamics-usa.com
903-763-5225




Re: Lithium Batteries [Re: Dad2rlkm] #14042911 06/25/21 02:27 PM
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IMO the problem with lithiums is the amount of juice it takes to charge them.
A depleted lithium battery will take more current over a longer time than an AGM or flooded cell battery.

That is an advantage that allows it to be charged in a shorter time period but at the same time can overheat an alternator or burn it up.


We have a sitting president who doesn't know how long he has been in office, and a former president that thinks he is still in office.
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