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Dec 30th, 2023
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 lithium battery question
#14290445
02/20/22 04:54 PM
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Joined: Sep 2008
Posts: 121,172
hopalong
OP
Pescador Loco
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OP
Pescador Loco
Joined: Sep 2008
Posts: 121,172 |
anyone here ever had to jump off li-on trolling motor battery to start the boat?
wondering if it is a good or bad idea due to amp draw to start.
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Re: lithium battery question
[Re: hopalong]
#14290623
02/20/22 08:45 PM
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Joined: Dec 2008
Posts: 16,194
grout-scout
TFF Guru
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TFF Guru
Joined: Dec 2008
Posts: 16,194 |
Won’t work unless it’s a starter rated lithium. You could leave the jumpers hooked to the starting battery and hope it transfer’s enough voltage to let the regular cranker fire over.
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Re: lithium battery question
[Re: hopalong]
#14290645
02/20/22 09:08 PM
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Joined: Sep 2008
Posts: 121,172
hopalong
OP
Pescador Loco
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OP
Pescador Loco
Joined: Sep 2008
Posts: 121,172 |
thought that would be the case. guess I will invest in a noco jumper. Break Out Another Thousand! 
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Re: lithium battery question
[Re: hopalong]
#14290668
02/20/22 09:32 PM
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Joined: Dec 2008
Posts: 16,194
grout-scout
TFF Guru
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TFF Guru
Joined: Dec 2008
Posts: 16,194 |
It is a good reason to go with the 100 ah cranking rated lithiums on the TM vs the 50’s; but more $$$ obviously.
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Re: lithium battery question
[Re: grout-scout]
#14293635
02/23/22 12:15 PM
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Joined: Sep 2008
Posts: 121,172
hopalong
OP
Pescador Loco
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OP
Pescador Loco
Joined: Sep 2008
Posts: 121,172 |
It is a good reason to go with the 100 ah cranking rated lithiums on the TM vs the 50’s; but more $$$ obviously. got the deka agm grp 24 dual purpose for starting now, gonna save for the ionic 125ah start battery next. out of my price range for the moment.
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Re: lithium battery question
[Re: hopalong]
#14293712
02/23/22 01:41 PM
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Joined: Oct 2013
Posts: 1,027
SRitchey
Extreme Angler
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Extreme Angler
Joined: Oct 2013
Posts: 1,027 |
I bought one of these for my boat but I carry it in my truck too. Works great! Used it on my sister's car and boom, it started right up. https://smile.amazon.com/dp/B09N37C4LG?psc=1&ref=ppx_yo2_dt_b_product_detailsJust noticed these were out of stock but they do have others available. Just tray to match the specs. anyone here ever had to jump off li-on trolling motor battery to start the boat?
wondering if it is a good or bad idea due to amp draw to start.
Last edited by SRitchey; 02/23/22 01:44 PM.
Steve
1999 ChampioN 203 - 2011 250hp Mercury Optimax Pro XS
2-10" Helix & 1-10" Garmin Livescope Plus - Ultrex 36/112
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Re: lithium battery question
[Re: hopalong]
#14294388
02/23/22 08:58 PM
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Joined: Mar 2012
Posts: 1,699
4Weight
Extreme Angler
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Extreme Angler
Joined: Mar 2012
Posts: 1,699 |
If you can afford lithium why not have a 2nd cranker in the boat?
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Re: lithium battery question
[Re: 4Weight]
#14294673
02/24/22 12:49 AM
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Joined: Sep 2008
Posts: 121,172
hopalong
OP
Pescador Loco
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OP
Pescador Loco
Joined: Sep 2008
Posts: 121,172 |
If you can afford lithium why not have a 2nd cranker in the boat? taking the chance that the durability is what they advertise on the ionics, 11 yr. warranty. next will be a 125 ah start battery, not worried about the deka I have now as it is a grp24 agm and only 3 yrs. old weight loss is main reason to change out.
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