CarpeDiem

What kind of regulator do you have? You need one that can support tail current charge termination at the Li - otherwise you'll be guessing and that will lead to either overcharge or undercharge which will depend on house loads at the time.

This is feeling kind of circular... LiFePO4 (LFP) is a lithium-ion battery. It has a cathode material that makes it more stable and less prone to overheating or fire compared to other lithium-ion chemistries, like NMC or NCA. Misconceptions arise when people treat "lithium-ion" as synonymous with less stable chemistries, like NMC or LCO, which have been linked to high-profile incidents (e.g., smartphone or EV fires). LiFePO4’s robust safety profile—owing to its lower energy density and higher thermal stability—leads some to mistakenly believe it’s a separate technology. Bu

Late last year. I first saw one installed in a fizz boat in November.

LiFePO4 are Lithium-ion batteries. What makes a Lithium-Ion battery a Lithium-Ion battery, is that lithium ions move from the cathode to the anode during discharge, and vice versa during charging. Saying that LiFePO4 is OK, but Lithium-ion is not OK, makes no sense. Yes, LiFePO4 is a safer chemistry, but it isn't the safest Li-ion chemistry, not by a long shot. 99.99% of LiFePO4 batteries on the market have a liquid electrolyte, this electrolyte is highly flammable and explosive. If you want to stick with LFP and would like to be an order of magnitude safer, than everyone

The issue is that the cited standard doesn't mention the fire rating requirements of a Li-ion battery enclosure. Just because it's not mentioned doesn't eliminate common sense. If you made your battery compartment out of something that burst into flames at 30degC you would still meet the standard but you'd be pretty stupid! So we therefore turn to other standards that do mention it - e.g., the one which covers the installation of Lithium-ion batteries in RV's and Motorhomes, or the one which covers the installation of Lithium-ion batteries in your house... these standards can be use

AS/NZS 3004.2:2014

The problem is that standard quoted from above isn't the only standard available to us. And the actual complication occurs as there is no legislated installation standard for Li-ion batteries on pleasure craft under 24m in New Zealand. So we end up with organisation's, vendors, forums, electrical inspectors and electricians reaching well intentioned conclusions from the raft of standards and advice available. For instance, when swapping lead acid for Li, Maritime NZ say this: battery cabinets, rooms or enclosures are constructed from a structurally fire-rated, noncomb

The latest installation standard applies to all batteries - not just Lithium. Stainless Steel is the best option to meet the standard. Battery compartments should be made of non combustible material, they should be corrosion resistant. They should be mechanically or naturally vented to the outside with an air intake from below them that is also from the outside. Structurally sound, well fixed in place. Compartments should be sealed and completely prevent the ingress of fumes into habitual areas. I suggest that you only buy Lithium batteries that are IEC 62619 ce

Taking into account you said victron and battery, I am assuming you understand that a victron battery is just a box with batteries (cells) inside it.. Why do you want another box? And where will the box be? Understanding why you want a box to put your batteries in to will help with material selection.

According to the legislation the cylinders have to meet the ISO 11119-3:2013 Health and Safety at Work (Hazardous Substances – Specification of Design Standards for Refillable Cylinders) Amendment Safe Work Instrument 2019 According to Ragasco they meet ISO 11119-3:2013 and 2020 https://ddmw27yrbyl8j.cloudfront.net/ISO-11119-3_Hexagon-Ragasco-24L_2022.pdf Not really clear where the breakdown is... maybe it's worth asking Worksafe what the issue is?

Make sure you navigate to http://www.roguesails.co.nz unless you need an electrician and then https will be just fine Booboo makes great sails

When they say "can mount at any angle" they mean the Orca, not the boat.

Next level tax avoidance

Oh yeah, my version of that software shows them as well. Don't use that very often. they are quite old, which leads me too... My Orca Maps was showing them and then they disappeared, like each time I zoomed in they were there and then they were gone, it's like the chart has been updated, they have been removed and the latest version doesn't have them...

That is kind of weird.... The text on the "paper" chart does not show up on the LINZ s63 vector charts - which is kind of strange, as the paper charts are supposedly from the s63 charts. And the s63 charts I have in OpenCPN do not show the channel, neither does Navionics... Meanwhile this is CMAP....Which is also generated from the s63 maps.... so where CMAP get this from I have no idea.

I am looking to borrow/rent a Series Drogue and a Sea Anchor to suit a 11m 5000kg displacement for a month to 6 weeks over June? Famous last words, but they are highly unlikely to need to be used in anger... If anyone can assist please get in touch.

If a decision is made it's being kept a good secret. Given council is notoriously bad at keeping sectets I would say that means no decision... I was pleasantly surprised to be notified Friday that we won't see a rent increase for 2025/26 definitely wasn't expecting that!

If buying new I would recommend a SOTDMA device over the older CSTDMA devices particularly if going off shore. Often called "Class B+" or "Class B SO" or some derivative there of... Good choice on the Orca Core! Epic little unit. The sailing processor alone is worth it - unfortunately B&G displays won't play like I want with it After a whole lot of experimenting I discovered that you cannot turn off dampening on the B&G displays for the NMEA2K wind PGN. Even setting the dampening to "0", (which I had assumed was off), they refuse to display what is actually being trans

It would be beneficial to add a with/without weed option to the spreadsheet as well.

Of course. And therefore the sane logic applies to LTO 😜

Well you don't *need* a bms for LFP either... It's there just in case... And there's zero point balancing if you aren't charging to atleast 2.75v / cell A fully charged LTO cell (eg 2.9v @0.02C) settles at around 2.88v over 24hrs - it's not like LFP.

Yep 6 cells in the LTO. I charged the LTO to 14.4v. Apparently this really stresses the glow plugs, but I didn't burn them out. I don't think that LTO is worth it on a boat. But if the price comes down and I can find some glow plugs it might start making sense. I pretty sure you still need a charge controller with I-term - if you just run the alternator at 14v I think that just like with LFP you will still overcharge LTO if you run for eg days on a long journey - but the literature is pretty light for LTO so I do not know for sure... I have a generic drop-in and I don't charge with sh

I have not really gotten to the bottom of it - there's a new (2022) AS/NZS standard which applies to Li batteries in habitable areas. Some people are applying the new 2022 standard to boats in Australia although from what I can tell it only applies to RVs. But the CYCA are pretty safety conscious these days so it's probably in some NoR safety regulation... That standard requires Li batteries be installed in vapor proof area that vents outside and draw's it's air from the underneath but also from the outside. Any cables must be through vapor proof cable glands. Pretty much the same as

I put one in for the anchor winch as a trial, although the LFP was actually just fine, but the LTO ripped that anchor up faster than anything... then I moved it to the land cruiser which is 24v start and doesn't have glow plugs, it has a like a mesh heater that heats the air intake - it starts amazingly fine off a 12v LTO, better than it did off the 24v!!! Because the boat has glow plugs, I am not prepared to run an LTO start battery until I can find some compatible glow plugs - I have not really searched that hard... I am sure there's some available After a very fun SSANZ Northern T

Sorry LTO start/winch battery IT said "NO"