Making the move to a Lithium Start Battery

Making the move to a Lithium Start Battery

Parts:
Dakota 12V 60AH 1000 CCA Deep Cycle Starting Battery (LiFePO4)
NOCO GB40 Boost Plus 1000A Lithium Jump Starter

Tags:
Honda BF75, Honda BF75D, Honda BF90, Honda BF90D, Honda BF75 BF90 Triumph Boats, Triumph Skiff, AGM to Lithium, Optima Blue Top Battery, Dakota Lithium, Lithium Crank Battery, Lithium Starting Battery, Lithium Start Battery, NOCO GB40 Boost Plus 1000A Lithium Jump Starter, Dakota 12V 60AH 1000 CCA Deep Cycle Starting Battery LiFePO4

[davidgore]

Hey Dave--looking to run the same exact set-up in my 2005 Triton 1650 SC with Merc 50HP EFI except only 12V. I already have one DL 60AH D+L battery and will go test it as both a starting and trolling battery. I did talk with Tim @ Dakota in length today and he told me the D+L 60 does not meet Mercury requirements for starting so I will essentially be my own test pilot. Hope it doesn't trip the BMS in the battery or damage my rectifier/alternator. I am not too worried about cranking it but running it at max RPM. I'll do a Voltmeter test like you at home while both at idle and high PRM to measure what the rectifier is putting out (hopefully 14.4V). If it tests good, I'll buy my second D+L60 and hook up to my Victron 18amp DC-DC charger so my motor's rectifier/alternator will charge both batteries when running at speed. I will also have the Victron App so I can reference it to get voltage readings. Let me know what you think. Also--one question. I have a NOCO GB40 also. You use it as a back-up and tested if it would crank your engine. Well, just cranking it won't get you back to the dock. As I understand, if it is an EFI motor, you would have to keep the GB40 connected while the boat is running at speed, otherwise your motor will just die, correct? If so, how would that GB40 react to the boat rectifier pumping that voltage back into the GB40 during your 30-minute trip back to the dock. Just some important considerations. I apologize for the length but could you elaborate? Thanks

[akaCamo]

Great suggestion to bring the NOCO Genius along. I keep one in my truck but will start to bring it on the boat from now on.

[fmb-fishingmeansbusiness]

Great video. Any updates a year and half later? I have a Honda 150, and would love to replace my starter and house batteries with Lithium.

[rickss]

The worry is not charging voltage. The problem is if BMS is activated the possibility of spikes great enough to fry electrical components.

[rippinglipsadventures]

Great video. I'm learning a little more about lithium cranking batteries myself. I had one for the 2022 open water season made by Ionic and loved it. What I'm learning is that my alternator may be overheating at idle speeds if the BMS of the lithium battery shuts down charging. It's possible considering I've never dropped below 95% on my 125ah house/cranking battery. I think there are solutions to spare the alternator, but I'm not sure if it is worth what seems to be $300-400 to save a $200 alternator if I don't have issues. But I do wonder if it would ruin my $700 cranking battery, too.

[twinrockk]

Nice video and setup. I am thinking of getting the DL+ 135 AH to replace both of my Interstate starting and house batteries. Are you having any issues when running the motor wide open? No issues with the BMS of the battery shutting down causing the motor to shutdown? You not using a dd to dc correct? Thanks for the video and for sharing your experiences.

[dennismitchell]

How about LiFePO4 Batteries . Are they safer?

[littletorchliving]

You just reminded me that I need to do this. Thanks for the vid.

[derek]

Thanks for this video yet my head is starting to hurt, this issue seems to have so many different opinions. Is that because more than one thing can be true to some degree? I just ordered a Ionic 125 ah starter battery and they have assured me this is plug and play for my ETec G2 250 which reportedly puts out 13.5 voltage to my understanding, not sure of any fluctuations. I am also adding a 200 ah house battery, which will also be charged by alternator when starter batt is fully charged. I have a battery isolator / combiner as well. Do I need a $270 DC to DC converter, I'm still not sure? Will a dc to dc charge my lith battery faster and more thoroughly because its charging at a steady 14.2 volts than without? Im planning to simply plug and play the 2 new lith batteries with my old optima batteries. Is there any reason why this upgrade should not take place in this manner? Thanks

[yeevang]

How's the dakota battery in your boat for a year now

[stephansmithoutdoors]

I just got one of these batteries.. Have you had any problems with your alternator since install??

[michaelmorrison]

NOCO boosters warned that they should not be used on lithium batteries. Not sure why.