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Whatever you find works for you and you can handle safely! Sounds like a nice setup.

We will post a link for you shortly.

Here is the stainless we like: amzn.to/47GFpYT

I (sailor smurf) get to film these guys at work! I'd say for questions you have like that, just give them a call.

Glad you liked it!

Yes, with regards to battery tie down, the ABYC Standard for lithium batteries is there should be no visible movement and consideration taken for security in a knockdown. Beyond just the batteries, the only thing I want to be worrying about in rough weather is the crew, the sails, and the course! And you're spot on with the comment about voltages, and this is where a lot of people go wrong in doing things like hooking up internally regulated alternators directly to their lithium bank or quite literally dropping in lithium batteries and not changing the settings in their chargers to lower voltages. For sure the trend is towards lower voltages, and most manufacturers are recommending around 14.1V now, whereas they may have been more like 14.2V a few years ago and 14.4V before that. Our obligation under the ABYC Standards is to follow the battery manufacturer's recommendations as one would think (or like to think!) they have performed the appropriate tests to determine the safe operating envelope and optimal charge profile. The only comment you made I question is whether the circuit breakers you are using on each battery meet the Ampere Interrupting Capacity Standards. Cheers for the great comment!

Do you mean Smart Plug? They are nicer for sure, but not as easy to get a hold of.

yes they are it. I converted twice on 2 different boats. Last one was after the HVAC current after 8 years welded the contacts together.

The recommended charge current for those batteries is 15-50A according to the manufacturer. There are three in parallel here so 150A is the maximum *recommended* charge current and what we have set up this system for. Disappointing… we could put in more power. The ABYC Standard E-13 for Lithium Ion Batteries tell us we must set the system to follow the manufacturers recommend charge profile though. You should not operate ANY electrical equipment at its maximum rating regularly.

These are basic safety features required to be ABYC compliant, not just things that are nice to have… But yes… boats cost a lot of money!

@@FrankTheYachtRigger I am sure if we would take all he said one by one, it would be clear that so many things are not a must he lists...

This boat took about 70 man hours over the course of 5 days. There are a few things done not shown here as well. Generally speaking, the boats that come to us for ABYC compliance work range from 30 to 80 hours of work depending on the size and age of the vessel and the nature of the issues. In this boat we also upgraded the shore power and added start battery maintenance chargers in that time amount which weren't compliance issues but good upgrades nonetheless.

Glad that worked out! Not all are created equal. We have had to replace LED navigation lights from well-known but not top quality brands for people that were only a year old. We mostly sell and install Weems & Plath at our shop and so far haven't had a single issue out of any of them, but we haven't been using them too long so time will tell.

Okay, if you insist… you’re old fashioned! 😂 Seriously, with current technology the risk of thermal runaway of a properly installed marine lithium system is infinitesimally small. There is a FAR greater risk of electrical fire from a loose wire connection somewhere. It is really important though to have some of the protections discussed in this video to limit current and voltage from ever reaching a point that could initiate thermal runaway in LiFePo4 batteries.

The batteries are connected to a Victron Power In which looks like a Lynx but it does not have fuses inside. So each battery has a Class T fuse and then the entire bank has a fuse (a Class T) that is appropriately rated for the battery switch, another ABYC Standard.

100% correct and that is covered in the manual that is given to our clients. You can’t cover everything in a 30 minute video and troubleshooting is not covered in this video.

Sorry it sounds like you had a bad installation!

We sell some of them but we almost exclusively only install Victron in the yard at this time. We are always exploring other brands looking for someone who can do it better. We are working on a video right now where we stress test one of the new Epoch models. We are testing a few other brands right now too. Stay tuned!

LiFePo4 is a lithium-ion chemistry. There are several different types of lithium-ion batteries of which LiFePo4 is amongst the safest.

A lithium battery is more than just the cells inside. We have opened up many batteries to examine their circuitry and for sure the Victron's are better than average - not to say there aren't other great brands out there, but there are plenty of not so great ones too!

@@FrankTheYachtRigger agreed. I was just pointing out something that rarely gets mentioned: the chemistry. People have bought cheap, lithium ion batteries and lost their boat to fire more than once.

So funny, love this. Thanks for commenting!

That's exactly right! Not putting in the proper equipment and protections on a boat is for sure cheap! What is the peace of mind that your system will blow a fuse or shut down rather than start a fire worth to you?

Victron FTW!

Sponsored? No... We are dealers for Victron and dozens of other brands.

Thank you so much!

You're welcome!

ABYC Standard E-11 says if you have an AC and a DC system on the boat the AC grounding bus shall be connected to either the engine negative terminal or (more commonly) the DC negative bus. Usually this is done near the electrical or distribution panels with a single wire. It's probably green or green with yellow stripe if you have one. If you share the boat model there's a chance I can tell you where to find it.

@@FrankTheYachtRigger Thanks! Yes, the boat ground is green with a yellow stripe. The boat is a 2018 Fountaine Pajot Saona 47. The DC is in the port engine bay and the AC is in the starboard. But, the boat was commissioned by Atlantic Cruising Yachts and they moved the AC panel into the salon. There is a main DC power line that goes to the area behind the NAV station. I'm guessing that is where it is tied but an F16 has less wiring than what is going on there. Since I'm repowering the boat (batteries and inverters) I just want to make sure I'm not creating any ground islands. The DC ground need a good cleanup. Thanks for your help! Franny

Such a well thought out comment. Thanks for this!

Hahaha!

@@tiredprofessor We make them ourselves.

CE is the European standard. ABYC is the US recommendation. The fuse at each batteries is a recommendation that is going to be implemented, we just like to stay ahead of the curve.

Thanks for the comment! It's very helpful!

Interesting take. Our margin on Victron products is lower than other brands you are probably referring to, so there's actually a financial disincentive for us to be Victron salesmen. ReLion has one of the best margins out there for us, which is why you see those pushed a lot at West Marine, etc. Yet, we still mostly use Victron because time and time again they just work and don't give us problems we experience elsewhere. So yep, I'll be pushing good quality products to my customers every day!

I'd like to hear more details on these better, safer, and more cost effective batteries out there. With specs please!

Lithium Iron Phosphate. Remember that not all lithium chemistry is the same. These are different, and a lot more stable than the battery found in a phone or electric vehicle.

The ABYC Standards are MINIMUM recommended safety standards. We typically exceed them. To us, the single biggest issues out there is that the standards are voluntary and people are unaware a lot of the tradesmen that they could hire to work on their boat have no formal training or familiarity with the best practices.

I share your sentiments on the regulation catering to all brands. Not many people know about the board member as you mentioned and I felt that this was a little sided when it came out. But in the end I’m happy with how it is. As installers we can advocate and draw attention to the recommendations and show how a certain brand will rise above others in meeting the ABYC suggestions.

@@jlayton86 Thanks for dropping in and saying so!

Well done!