Swapping our batteries! How to build 12V LiFePO4 Battery | Easy DIY boat project
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- เผยแพร่เมื่อ 28 ก.ค. 2024
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Ahoy, fellow sailors and adventure enthusiasts! Join us on our latest sailing escapade as we embark on an unforgettable journey from Helena Marina in Sorong to surprise our families back in France. Yes, you heard it right! They have absolutely no clue that we're on our way, making this surprise visit one for the books.
But before we set depart, there's work to be done! Join us as we meticulously prepare our beloved boat for a six-week storage. From stowing away the sails to securing the hatches, every detail counts in ensuring our vessel is shipshape for our absence.
Upon our return to the breathtaking Indonesian waters, a thrilling project awaits us: a complete overhaul of our onboard power system. We've decided to swap out our old batteries for new high-performance lithium ones, and here's the kicker - we're building them ourselves! That's right, folks, it's a full-blown DIY project, and we're taking you along for the ride.
From sourcing individual cells to assembling the batteries, we'll guide you through every step of the process. Trust us, this isn't your average battery swap - it's a cost-effective solution that promises to revolutionize our onboard energy efficiency. So whether you're a seasoned sailor or simply a DIY enthusiast, buckle up for an electrifying adventure on the high seas!
Don't forget to like, subscribe, and hit that bell icon to join us on our sailing odyssey filled with surprises, challenges, and endless excitement. Fair winds and following seas await - let's set sail together! ⛵🌊
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▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬
0:00 - Intro
01:31 - Packing
02:12 - Charts in Indonesia
03:01 - boarded by the police
03:21 - New captain onboard
04:11 - Helena Marina, Sorong
04:32 - Prepping the boat for storage
05:57 - Flying to France
08:05 - Surprising the family
08:59 - Back to Indonesia
10:27 - New lithium batteries
13:00 - How to build LifePO4 batteries DIY
15:40 - Battery packaging
16:00 - Scooter ride to Sorong
I subscribed. I feel , the two of you are the most down to earth catamaran sailing youtubers , full of love and heart and positivity , not loud , not pitchy , just oozing soothing calming. I am not sure , why your views are so low but please keep at it , I am sure it will only be a matter of time. Please if you are ever in Singapore , please drop me a message , would love to show you folks around the country.
Thank you so much for that comment, you have no idea how much we needed this. Those videos are a lot of work and yes it can get a bit discouraging at time, so we are really happy to hear you are enjoying them! We'll definitely let you know if we ever come to Singapore!
En effet la surprise était énorme. Je suis restée sans voix. Nous ne nous sommes rendus compte de rien durant notre séjour sur le bateau. Nous avons passé de très belles fêtes.
La norme en Indonésie est un casque pour deux?
Pour avoir fait l’électricité chez nous, effectivement, il y a beaucoup de câbles. C’est impressionnant.
La loi c'est le conducteur doit porter un casque. Les autres on s'en fout. Et je dis bien "les" parce que ce n'est pas rare de voir 3 ou 4 personnes sur un scooter! Et même des bébés!
Thanks for that, that is a huge battery, I only have 200AH of lead acids!
It’s a big battery but we need it! Starlink alone is taking so much… but we have a lot of solar to charge it! So it’s good
that is a proper battery pack installation with good well known brand quality bms and battery. I would add active balancers as well to complete the combo. your old lithium batteries could be fix by a device "battery resistance tester" replace the ones their resistance is beyond useable.
Would you recommend any active balancer? Thanks for the advice! We gave the old batteries to the locals so they could use the working ones.
Heltec or enerkey 5amp active balancer th-cam.com/video/lA7_A_Ftvos/w-d-xo.html
C’est vrai que la surprise fut total mais tellement merveilleuse. Quel bonheur de vous avoir pour Noël et quel magnifique cadeau.
Ce fut court mais tellement intense.
J’ai une petite question comment avez-vous réussi à ramener toutes vos courses sur le scooter ? Et pourquoi il n’y a que le chauffeur qui a le droit de porter un casque 😂😂😂😂😂?
Comme toujours tes explications sont très intéressantes et très instructives.
Ben on n'a pas pris trop de courses et on avait des sacs à dos! C'est pour ça qu'on y est allé 2 fois. Le casque en Indonésie, c'est que pour le conducteur... Du coup, ils en ont qu'un avec le scooter donc rien pour moi. La loi est un peu bizarre 😂😂
Very nice. I built my own battery banks using EVE LFP 280ah cells 57.2 KW of power. I only use 50kw. This is in a house @ 48 volt which means 58-51v usable. After 1.5 years I am at 80 cycles and they are rated for 8000 cycles. The most important thing is how you charge and discharge them with C rating. You have 800ah so 1C is 800 amps charging or discharging. If you can charge and discharge at 400 amps that is 0.5C which is perfect until you get over 45 Celsius. Then charging should be lowered to 100 amps which is 0.25C up to 60 Celsius. Discharging at 0.5 C 200 amps is okay up to 60 Celsius.
Thanks for the info, that's very helpful to know! Especially about the temperature, because everytime we talk to an electrician they tell us about normal operating condition, which is somewhere around 25°C. We are on a boat in the tropics without AC, definitely not at 25°C!
Great news about your cycles! Even if you don't reach the 8000 cycles, sounds like you have many years in front of you!
@@SailingTakeItEasy LFP cells are made better than LI cells. The Iron and phosphate help stabilize them. If you leave 5% at top and 5% at bottom with your setup you are good to go. The only problem with LFP they are not as dense in energy so more weight per kw of power. On your app check the temps of the battery cells I think I seen you had installed temp sensors. It takes time to get all the right settings in the BMS. The biggest thing is heat and cold. I truly do not think you will get over 140 F 60 C in that compartment. If it does get over 55 C I would add a vent fan just to move air. You can even add a Portable AC unit with all that power.
Your BMS is 60 amps continuous. So 240 amps total or 3kw of power. Each battery will run at .03C which is perfect for long life.
that's the hope!
i would put them in metal box instead of wood one
They are surrounding by metal frame, the wood parts are just to block everything in place 😉
Great video, I assume that’s not an easy job to do in a foreign country with language issues.
Nothing is easy to do in a foreign country with language issues 😂😂😂😂. But technically, even in Australia it's a foreign country for us and we don't always understand everyone! You just have to do your research to be able not to rely solely on the tradies!
Wow !!! Vous n’avez pas fait les choses à moitié pour la surprise ! 💝. Évidemment, je l’ai su après, malheureusement on n’a pas pu venir vous voir ☹️. Heureusement qu’on a ces vidéos 🥰
C’est compliqué ces batteries…j’ai pas tout compris (et même rien du tout, sauf quand vous avez emballé tout ça) 😂😂. Mais peu importe parce que, même si j’avais compris, ça ne m’aurait servi à rien 🤷🏻♀️ 🤣🤣🤣
Bye 👋👋
J’ai bien ri avec les pantalons et les chaussures obligatoires 😂😂😂😂
les chaussures pour moi c'est difficile, j'aime pas ça! Oui c'est dommage que ça ait été une visite "express", on a définitivement pas eu le temps de voir tout le monde!
@@SailingTakeItEasy pas de problème. Vous avez fait une chouette surprise à vos parents (Bibi m’en a parlé avec plein d’étoiles dans les yeux), c’est l’essentiel 💝
Why did you remove the old batteries, I have the same in my boat, and just trying to see if there is a need to change? I have 800aH in two 400ah batteries
The old batteries were discharging super quickly. It was going from 13.5V in the afternoon to 12V in the morning! We have a constant consumption of at least 12A, so it’s not nothing. To know if you have to change them, monitor how your voltage drops. You can roughly calculate with your amp consumption average during the night, check if your battery voltage drops accurately. If it drops too quickly, you know changing them is on the horizon!