Nigel Calder & Jeff Cote Talk Marine Electrical - Part 11 of 11 - Drop In Lithium

[@jessefalsone1247]

What Jeff said at the end is very true. Boating is hard if you want to di it right, and this goes for a proper lithium install. If you want easy buy a daysailer.

[@herberthahn6964]

I know that People who beleive in Hope, should drive East from Vancouver.

[@girldadgaming]

I have loved this series! Look forward to meeting you both someday.

[@robo2901]

So what should you do once you drop them in? Isolate them? Ive dropped in 2-100 amp hour LifePo4 batteries and everything seems to work fine. I have purchased a Magnum inverter/charger and pllan to run everything possible theough it. I can replace the alternator if necessary.

[@brucefay5126]

Years ago in a workshop, I heard the presenter say “Hope is not a strategy.” Have never forgotten that.

[@billgardner9328]

I have 2-200ah chins with 100a bms's I charge them with 3 265 w thru a 40 amp mppt. I can charge with my xantrex inverter but in San Diego temperature never freezing and may see 100 in my engine room. Solar is doing a great job with my 2 reefers but never draw down over 39 % of batteries..what is the danger as long as I charge to 14.4 v. ?

[@jimh.5286]

At 2:25 you say that the lithium batteries went into "protection" mode due to overcharging, so the boaters lost their house batteries. I assume that the lithium batteries would resume function once the charging voltage is removed (engine turned off), and the batteries are put under load. Correct?

[@dsanner]

Sounds like the issue might have been with their charge controller / voltage regulator not the batteries. Battery BMS should automatically reset itself after a couple minutes and try again. I'm a fan of only charging to 90%, batteries last longer and less likely to run into a cell over voltage situation. Top them off to 100% as needed to keep their cells balanced but this doesn't have to be the standard routine like is needed w/ lead.

[@jimh.5286]

Thanks. That makes sense. @@dsanner

[@tlgibson97]

I just swapped AGM for Lithium. I hope I did it all correctly. I think the hardest part is setting up the charge profiles in all the charge sources. I just installed a Balmar 250A alternator with external regulator that I still need to program. I think I will derate it to 200A. It's connected directly to the 800Ah bank with 4/0 wire but since the max charge on the batteries is 250A I don't want to be that close. I may derate it further once I test it out.

[@warrenthorp]

Great video, thank you. But you guys have talked about the risks of dropping in lithium ion as replacements for lead acid (which I am/was literally just about to do) without saying much about what we should do instead. Shame as I do really need that info.

[@stepheniedickinson8688]

It's an 8 minute video. Why would you need to drink coffee half way through?

[@orlovsskibet]

Well there are certainly also stories to be told about a Lead battery that has collapsed underway, and left the boat and crew with no "house-battery". Why blame the battery for the fact that alternator manufactureres rate their alternators higher than their actual continous capacity? Very biased content.