ELECTRICITY On A Sailboat Q&A ⛵️ (Lithium, Solar, Wind)
ฝัง
- เผยแพร่เมื่อ 6 ต.ค. 2024
- Take $50.00 off PER BATTERY with a special discount from Battle Born just for the Delos Tribe. If you’re in the market for some spanking-brand-new LIFEPo4 batteries to super charge your power system check them out. We’ve torture tested them on Delos for years and they perform incredibly well. Just be sure to enter the discount code "delos" during checkout to get your $50.00 off PER BATTERY! Check out their different products and packages here: svdelos.com/ba...
This video is all about Lithium Batteries, Solar, Wind, Inverters, Chargers, and everything else Power Related to take your Yacht or Sailboat OFF-THE-GRID for a while! This episode is dedicated to our Patrons, thanks so much for your great questions!
There are timestamps below for each question.
Additional Recommended Watching:
HELLO Lithium, Goodbye Propane- • Hello LITHIUM, Goodbye...
Sailboat Electrical System Overview (Playlist)- • Sailboat Electrical Sy...
WATT The Hell is an Amp Hour?- • WATT THE HELL is an am...
03:47 - Do the solar panels alone handle your electrical needs or is the generator needed on a regular basis?
06:10 - How much power do the sails create when Delos is sailing at 6 knots? Would there be a horsepower figure?
07:28 - What’s the fire risk with Lithium batteries? How do you reduce the risk?
09:23 - How much power do you produce from solar panels and wind generators?
14:35 - Is the wind turbine an effective source of power?
15:30 - Do you have your inverter turned on all the time or only when you need AC power?
17:46 - Can you run your air conditioning regularly off battery power?
20:36 - When do you start worrying about battery charge levels? And what steps do you take to conserve energy?
22:03 - When a boat converts to Lithium what changes need to be made to the charging system? Also mention spike suppressor.
25:29 - Have you thought about going to a high output alternator?
26:30 - Is a power audit worth doing?
27:40 - Do you still plot positions or are you mainly electric charts now?
28:50 - Where does one learn the basic of solar?
30:18 - Can you mix lead batteries with Lithium batteries to help with nighttime discharges?
31:13 - How can you track the power generated by wind and solar?
31:48 - Are you able to make water off your solar?
33:18 - How much solar would you need to go 100% electric, no generator, no Diesel engine?
41:03 - Are you a fan of the induction stovetop?
42:20 - How important is it to have the same bus bars and loads on high current applications?
43:44 - How can you protect your system from voltage spikes if the battery management system shuts off?
44:28- What electronics would you recommend for a small, simple day sailor
45:14 - What secondary charging method would you depend on?
We just got a special discount we wanted to share with you! Take $50.00 off PER BATTERY with a special discount from Battle Born just for the Delos Tribe. If you’re in the market for some spanking-brand-new LIFEPo4 batteries to super charge your power system check them out. We’ve torture tested them on Delos for years and they perform incredibly well. Just be sure to enter the discount code "delos" during checkout to get your $50.00 off PER BATTERY! Check out their different products and packages here: svdelos.com/battleborn
I'm not a sailor and don't understand a word being said, but love seeing Brian living his best engineer life while talking about highly technical information that is clearly in his wheelhouse. Thanks for sharing!
Same.
Lithium batteries (what hes talking about ) are also in all electric cars & last 10-20 years, so there's that.
@@MizzAugust7 The type of lithium used in vehicles is not the same as the ones used by boats and RVs as "house" batteries, which both different from lithium used in electronic devices
It’s not friday….what a treat!
For some people this will probably be considered one of the best videos from SV Delos ever. Others will skip it altogether. I am an engineer, so perhaps some may think that I understand all of this, and I do…but…until you get into “energy and load management”, it will remain mysterious. Fortunately, or unfortunately, depending on how you look at it and your experience, we are all becoming “managers” somewhat. IOW, maybe solar on the roof, an EV in the garage, rolling blackouts, battery storage, energy bills, cost and availability of fossil fuels, the drumbeat of the news cycle, etc, etc. Nothing makes you a better manager than going cruising or van-living off grid.
Brian, this is a fabulous lecture. Given the antics on board (always fun, btw), we often see you being silly and care-free, so it is good to see again the beating heart of the excellent engineer at the core of Delos' daily ability to function. Many of us have followed your journey for years, and this forces us to remember and honor your status as an educated professional, and to identify with you as a hard science STEM guy: I followed all of it, which is a great reflection on your ability to explain "the hard bits" - without a single PowerPoint. Your outstanding efforts to freely share arcane and high-tech content like this with the community is a major factor in the high ratings and success of your channel and of your esteem among sailors. [This is in no way meant to detract from the family/crew/community/Patreon aspects of Delos' success - those are amazing, too, love The Nugget]. And you look very warm - Jump into the ocean. If you ever make the trip to come to Lake Michigan, I know a place to cool you down in about 7 seconds - I look forward to meeting you one day. /p/
Sailing Nanji just posted their energy video this week too. A half world away and they are in sync. They not only highlighted their electric power generation/storage but also showed how they turned the dingy outboard from 9 hp to 15 hp by changing out one part.
Haven't watched that yet. Thanks.
Your explanation about the ineffiency of going to electric propulsion was absolutely perfect. Great reasoning and providing solid facts. The whole point of owning a sailboat is to sail! The motor is there as the backup/accessory. This is a great video. 👏
That has got to be one of the best explanations I have ever heard. The engineer in you really came through! Thanks!
Thanks for the straight forward description of your power needs including your reasoning for keeping the diesel engine. I always considered sailboats the original "hybrid" vehicles. For some people, going all electric will fit their boating style. For others, their style will benefit from having a diesel engine for propulsion and hi-load power generation. Great to have options!
This was a great example of how valuable it is to have a method to share your knowledge and experience with those of us who are not so technically adept. Brian, I was suffering along with you as I watched your tee shirt evolve into a wet rag. That looked miserable! Thanks for bearing the heat and doing this segment.
Yeah he needed to turn the AC on, it must have been getting hot in there.
I have done a lot of long distance sailing. The No. 1 topic amongst long distance sailors in the bar is electricity. Great video.
What I have not figured out is when I look at batteries, I am seeing VA/h which should mean Volt x Amp hour or Watt Hour rating, but then they have a mathematically different kW/h rating on the same battery.
Thank you Brian, for the technical videos... I know they do not get as many views as the sailing, but for those of us who are making plans for when we get our own boat, you are a font of knowledge, and a pretty good teacher at that.
Also something you hit I never thought about was the impedance. As a power lineman we deal with this when we bank transformers and capacitor banks but I never thought about the batteries but makes total sense how you set up the leads. Well done sir !
Enjoyed the class. 35yrs as a electrician. Solar & wind are suited for assisting generators, house power. Fair winds & Following seas. Enjoy.
Kudo's to you for making it through the entire thing without passing out from heat stroke! Thank you for sharing your knowledge with the world.
Kudos Brian, that's dedication to so thoroughly answer questions while roasting inside without A/C! I may or may not have been chuckling as the sweat slowly soaked through your shirt... Best wishes to the family & Happy Thanksgiving!
Brian, these films on the power systems you have fitted are brilliant.
I aim to set sail within two years and want to have a yacht similar in size to Delos and fitted with a/c, heat, HW, water maker, microwave, washing machine and electric cooker… and maybe one day an electric motor.
Your films have been so so so informative. Amazingly helpful.
Brian and Kassa, Superb break down of electrical system ability and supply. Thanks so much for putting the time into this video.
Jim Rodgers
as an off gridder for the past year and a half, youve explained everything very clearly for those who dont know it.
Thanks Brian, this was an excellent episode and the insights were spot on. Your resources act as belt & suspenders to those of us working through the complexities of preparing for sailing life.
great lecture on power management. Never fails to amaze me with your genuine ability to overcome problems with your creative and smart fixes. example of such burst of ingenuity is how you outsmart your diesel power generator's computer by coming up with a series of resistors... what great ability to understand how your devices work and how you trouble shoot ... just thought i'd voice my thoughts and admiration for your obvious intelligence. Happy and Safe sailing...
Wow, two videos in one week! Thank you for sharing these power consumption questions and answers. You guys are awesome!
Thinking about building a solar system at home.. this is helpful
Thank you, Brian. A most fabulous episode and a real keeper. 🎉
Always great to hear engineering talk
Kassa and Brian we all love you all ❤❤❤
I have followed for many years and seen it all from you.
I am coming in a sailboat my self in a year ore 2 ❤❤❤
Crazy norway man now crusing yacht/houseboat down european waterways now
I absolutely love your tech videos! Thanks, Brian! I've been following since Fiji
As an electronics technician, I don't see anything wrong on this video. Some information is (justifiably) based on personal experience and the rest seems technically accurate. I'd certainly recommend this as a good resource. Well done Brian. Thanks for all the videos. Tootles... Wade 👍😎👍
For charging Lithium batteries from an engine alternator, I would recommend a DC to DC charger that will limit how much is drawn from the alternator and protect it. I did this on my Motorhome when I switched to Lithium batteries.
An engine alternator should be able to handle full amp output 100% of the time. If not, then replace it with one that can. Yeah, a lot of OEM alternators are POS. They work for recharging the starting battery, and minor loads fine, but not large loads.
A DC to DC battery charger is a piece of electronics that can fail, and thus something one needs to keep a spare for, or do without if it fails. Can one do without it if it fails? I like to favor redundancy if possible. The one place I'd consider a DC to DC charger is from the house bank to the starting bank. This is mainly for keeping it topped off, but it also could recharge it if the starting bank alternator fails.
For charging both a starting battery bank and separate house bank, I'd give each of them their own alternator, and wire them as separate systems. Yes, two alternators. This is often not done because hard to get, or custom brackets are needed. If possible each alternator should also have it's own dedicated drive belt. This is for redundancy. If one alternator dies for whatever reason, the other can be used in it's place. This also allows different battery types and ages for the two battery banks. Obviously each battery bank needs uniform type and age of batteries in it. Using external regulators, like modern Balmar ones, that can be custom programmed for the ideal battery voltages and currents is best. A single backup external regulator can be kept as a spare, and programmed when installed. Record the setup steps, and keep them with the maintenance books, so they can be done quickly without thinking in an emergency. One of the biggest reasons for using an external regulator is having a temperature sensor at the battery to adjust charge voltage based on the actual temperature of the batteries. This is very important for lead acid batteries. The battery bank and engine room temperatures can be quite different. The battery management system in lithium batteries should take care of this.
Newly outfitting a boat, or major refitting one later, I'd seriously consider having all the alternators and regulators identical so spares can be carried and used anywhere. I would do this even for the starting battery alternators. This is basic redundancy.
Each drive belt typically has an idler pulley to set tension. If it is a spring loaded type, then adding a contact switch on the idler arm is possible. That way if the belt fails, or it stretches too much, an alarm will go off and you know immediately, and not later after something else fails due to lack of power.
Yeah, I think things through too much... It's the designer in me meting my paranoia.
I love how we can see your bank running low and you have to shut the AC off. Starting to sweat slowly... The heavy.... Yes Battery bank and needs matter! Great video!!
Several advantages of the hybrid engine for me:
1. A lot of motoring is to get on and off the dock, when having instant power without needing to first start the engine can be useful.
2. Off shore in good winds, the hybrid is a hydro generator, giving another source of power.
3. It cuts the need for a separate generator, saving weight, equipment to maintain, and freeing up a lot of space.
Brian flexing his EE muscles! Excellent resource. Bookingmarking this for the day I'll eventually need it.
Brian, on the subject of DC powered air con units, I market 12v and 24v A/C Systems (Air cooled), that consume 25-50 amps (12v), or 12.5=25 amps (24v), that pump ut 9.6k BTU and can run 12-14 hours on a 600 AH (12v), LiFEPO4 bank. In the semi trucks I've installed these units, you could hang meat in the cabs, they are so efficient. I'm currently in development of a marine version of this system. (I have a 40' Sailboat in addition to my semi truck, so it's enlightened self-interest).
Thank you for this video!! I have been wondering more about the logistics of daily life on a sailboat.
I love nerding out to these presentations. 👨🎓👔 Thank you for sharing your knowledge, experience, and expertise. I enjoyed the snowy pictures you shared from Sweden. One of the best snowmen I've ever seen. Sierra helping 💕 was the best. ☃️
Thanks for the detailed explanations. I’m gonna use some of this on my motorhome.
In the Sea of Cortez now. On a new to us boat and learning all the systems, especially the electrical with lithium, solar, & wind. This was very helpful. Thanks for delivering such great content!
That insight with the electric propulsion was particularly interesting! Thanks! 😘
What I've come in conclusion is that "it really depends". If requirement is "6kn for 24 hours" It's really not an option.
But what I also think is that IF you have electric propulsion, it will also change your point or view of what do you need or do.
With my new boat, I'm putting double electric motors, maybe 10-20kw each. And most probably small, very simple (probably air cooled) diesel DC-generator. Small, just about the size that you can run propulsion for let's say 4knot or so.
What these also bring is the ability to charge batteries under way with hydrogenation.
Having electric motor for few years now on my (inland lake usage) sailboat, it just is so simple and easy to use with next to no service required. So that way I don't even think it adds any complexity - because is't not complex. :)
Cheers!
:Panu
Wow what a great video, thanks for sharing your depth of knowledge with us!
Absolutely love stuff like this. None of the advice applies to me, but I always loved the technical aspects of doing what you guys do. Needless to say, Brian is the right man for the job.
Excellent presentation with many answers both in practical terms and the applied mathematics, for me, about lithium batteries and power generation sources. Many thanks, Brian.
Well done. You were able to explain what is a very complex subject in a manner that most folks can understand. I enjoyed this a great deal.
As usual Brian , you are too generous with your wealth of knowledge. Thanks.
Brian, I always appreciate your tech talks. When I bought my Maramu, with the assistance of Bill Rouse, I knew I would be upgrading systems. My next is Lithium Ion. Loved this. Thank you.
Brian, I run my complete office from my truck. Computer, printer, scanner, and a plotter to print plans. Using four golf cart 6v batteries. No 110v inverter. I use step up transformers on each item from 12v to meet the units voltage, 19v, 32, 24. I have only a 50W solar panel running on the roof which was added as a joke. But amazingly the solar panel has kept me from having to charge at night from home. What I have found that no one I have seen mention is that the increase in voltage from 12.7v to 13.2 average (parked) has made everything run so much more efficient. The savings of battery life far exceeds maybe tripled the output of the solar panel. Maybe you could comment on this awesome affect. BTW the first step of eliminating the inverter with step up transformers was a huge help as well. And they are really cheap $30.00. Thank you so much for all you do. I am an RV,r and a boater my whole life.
I just love it when tou talk tech 😉
Brian,
if you watch other sailing channels (?), you might be aware that Sailing Uma is 100% electric. (Although they do carry an auxillary portable generator just in case).
They pulled their diesel years ago.
(They are a much smaller boat, and limited E range, however).
Upgrades now have an Oceanvolt inboard. Also with an impeller-propeller (wrong term) that spins in the water while under sail, for charging.
Dan has published several videos over the years detailing this.
🌊🌊🌊⚡🌪️⚡🌊🌊🌊
Uma often has to run a generator in a series mode to go long distances under power. Some of their most recent videos in the Mediterranean have them becalmed and running the generator. I think on a monohull, electric only drive isn't realistic yet. A series hybrid would work. On catamarans where they can have large solar panel areas, it is still marginal for main drive.
@@ekaa.3189
Thanks for the reply.
As I understand it, Uma rarely runs a generator. In such situations, they instead prefer to wait on the weather.
In my previous comment, I mostly articulated all of this. Including E-range, monohull.
Cheers.
🏴☠️👁️🔧🏴☠️
Clark from Clark and Emily has created a BBMS system that is capable of charging lithium and lead acid at the same time. You should check it out. He also came up with an air conditioning system that runs off of batteries
Excellent video and explanation... it really puts Plukky's from Sailing into Freedoms ElCano challenge into perspective... going around the world without the use of fossil fuels is incredibly difficult and you need to manage your power very carefully and accept that you may be stranded if there is no wind and you need to move any distance.
Sounds like Delos systems fits the need well, I do understand and work with ohms law regularly. Well done and thanks for sharing 👍
Good video Brian. Look forward to crossing paths with you in Mexico
Wow, Brian, that was a lot of info! Unfortunately, I am not a sailor at this time, but it is clearly obvious that you definitely know your stuff. Thank you for taking the time to share with those who understand it more. Sending love from California.💜🤟🏻😎🇺🇸⛵️
Thanks for posting and sharing. Very impressive command of the information.
Great, great video! Especially this live tested numbers like 3.5 times, opinions i.e. for wind turbines and minimum expected range. Thank you very much :)
Great video and especially appreciated all the details! I was shocked your alternator is only ~30a! Most boats with lithium upsize their alternator to 120a+. But makes sense since you have a genset. Makes me think we can hold off on upgrading our alternator.
My impression though was alternators with internal regulation rarely have the right voltage setting for lithium. So it's kinda surprising you don't have an external alternator regulator like the Balmar MC-614 (now 618).
Love the tech update. This is absolutely golden information! Thank you Brian. This is good on multiple applications not just boats. You guys are living the dream and information on how to do so is great.
Thanks Brian, Nicely Done...
Awesome video and comprehensive answers. I learnt a lot and I don't even have a boat to apply it to 👍
Thanks for suffering the heat for us Brian. I felt bad for ya. Great info. Appreciate ya
Hello from a snowy Sweden!
Super interesting video Brian, I really enjoy your technical videos. Thanks for sharing!
Thanks for this information. I greatly appreciate all you do!! Sitting with Aircon off fans off for our listening pleasure... I greatly appreciate all you do for the viewer's.... Now go jump in the ocean an get a cerveza... ✌🏼💗😊
Back in 1979 we had some lower tech power situations but one thing I do remember when I was living in a motorhome bum skiing in the Rockies I do remember one way to keep my batteries topped off was to head out to the golf course at night and plugged in to the soda machines by the first hole and after cranking some current the extension cord would melt in below the snow line and keep everything incognito yeah there's nothing like straight electrical current
Great episode. Love seeing the thought behind what we see. Thanks guys. Hope you have a great festive period.
You bring up a great point in energy use. Again he has an older boat so his fridges and ac units will use more than newer more efficient ones will. Also if he changed out the 600 watts of panels to 3 400 watt panels more power would come in. also doing the same with flex panels. Usually I suggest 14kw of battery banks. In his boat I would have 28-30kw with more solar and would replace that noisy wind turbine for a newer 800 watt turbine also.
Hey Brian is your refrigerator running..... ???
Ya better check the amperage on the meter!🍻
As a fellow nerd I loved the video, stuff like this is what is going thru out heads when we are spacing out. Ha
Yes the Admiralty (U.K. GOV) has stopped printing charts, although there are still some stocks available.
Great video Brian, I’m curious why you don’t replace the noisy wind generator with the same type as the other one you have. An additional 20% would be significant.
Thank you for all this great info while sitting in an oven.
Thanks for all the info Brian, love the Generator efficientency , running the generator at perfect timing like running it during the water maker or the air conditioner for max 4 hours is a good way getting your batteries to 100% at the same time...
Installing a generator head on your boat motor can have some advantages, having 2 boat motors with generator heads give you redundancy of both your boat motor and generator while taking up the same space, if you do it right you can have double the power to the prop, or double the power that you are generating or 1 engine generating and driving the prop, so many possible configurations.
Thanks Brian
Yeah! And thank you. :)
Ever consider one of the floating rafts and cover it with flexible panels whilst at anchor?
Mabru makes 12/24v aircons that are dramatically more efficient than 110/220v units. Many boats are now able to run an aircon all night on batteries.
Yes Admiralty stopping paper charts by 2026.
The person asking where to start learning solar…
‘Off Grid Solar’ by Joseph O’Connor. Great book.
I'm happy watching your video Delos,❤️❤️❤️ watching from Philippines 🇵🇭🇵🇭
Brilliant. PERIOD!
That was a great class! Learned lots. Fair winds and following seas!!!
battery Brian bustin' battle born basics
I will definitely second the lithium battery at the price point you can get lithium batteries nowadays through the rainforest website they are cheaper in the long run than lead acid and half as heavy. way better to use plus they run at a higher voltage so you need less amperage keeps your wires less likely to burst into flames lol.
Can you provide a link for the rainforest website? I searched on Google but nothing came up
Hi Delos,
I've just finished watching your latest video. 2 comments. 1. We have a Danfoss bd35f which was consuming 60 watts. I've got that down to 35 watts. If you're interested, I can explain how I did that.
2. As regards an electric propulsion, I think it would be viable on your boat as you already have a generator. If your Volvo diesel needed to be replaced, you could install an electric motor and add batteries as and when. You're not really adding complexity. You would save diesel on short hops and manoeuvring and use the gen. on longer trips. ElectricYacht systems (as used by Rigging Doctor) are a lot cheaper than Ocean Volt (no connection).
add some capacitors to the pump circuit to handle the surge so you can more easily use water maker on batteries
Thanks bro, I hope you keep doing more of these types of video's!
Your perfect for it..one day soon, when I'm in a place to get my 1st boat, I will be useing all the kind insightful lessons and journeys you have blessed us with to help find my way. Even knowing an example of how to approach this lifestyle,that it practically can be done✌
Thank you so much for discussing the difference between watts and amps. Speaking of amps should be outlawed! 🙂
I am doing it, totally electric!!! Manta 40 Catamaran (12 knot hull speed) with 2 -12Kw Torqeedo POD Drives with Regen, 43 Kwh Valence Lithium Iron Manganese Phosphate, 1600 watts solar...splash next week, let you know how she performs...fair wind and following seas!!!
thank you so much this is very helpful to new sailors like myself thank you
Thank you so much for always creating such engaging an enchanting Adventure Sailing videos. It makes a big difference in so many people's lives 🌸 🌺🎯💗
Simply brilliant, thank you for going through all of this.
Now go jump in the water and cool off you deserve it.
Another good channel for solar info is Sailing Dauntless as they have the Lagoon 450 setup to be able to run completely off grid. He used Tesla packs in his build and really went above and beyond in that he can run everything including AC for 3 days with no or limited solar input and without running engines or generator. I will say it probably wasn't cheap to build but once complete would be awesome. Your going to need a big vessel to do what he did though and I don't think you could do it on a Mono without going over the 80' mark...
Hi Brian, consider to install a victron cerbo and link it to the victron portal. Then you have a total overview over your electric system including history. 🍻
This is fantastic, thank you for posting this. Great topic and exactly when I'm starting my solar project on my boat!
I've done two overland solar projects, but it was a bit easier when every component was new and installed by me, feeling a bit more complicated with my 1986 Catalina!
That was an awesome review on marine solar!!! Thanks for creating that and sharing.
Thanks!
Loved the video , I work for an energy company and can’t wait to explain kWhs to customers from my boat lol 😂
Excellent video and explanations of your system, and the answer to questions.
Love these bonus videos! Fantastic stuff.
Thanks!
@Brian; have you guys considered a solar oven?
I've just built one for my boat, and absolutely love it. It's not perfect (since the performance depends on the sun you are receiving) but on good days I can do bread, soups, slow cook meat, and I have even used it to boil a cup of water for coffee. 🙂
I have one! But it just runs on electricity from the panels :). J/K no have never tried an actual solar oven but had friends that have and said it was cool.
I remember when you did a video about swapping from standard flooded cell batteries to lithium so I've been hoping you'd do an update on how they worked out, any downsides and even if it affected balance and handling of the boat. Lithium batteries are still very expensive so how they last, charge, output and handle under different temperature conditions is vital to know before making any decisions.
Only downside I've seen is if you accidentally Arc a wire they don't get hot and smoke they explode laugh out loud. Lithium batteries can instantly output 50 to 100% of their power from like 30 to 40% for lead acid. And if they ever catch on fire just jump off the boat! there is no way to put them out and they will burn right through your boat...
They are about half the weight so we now lost to port a little bit (bats on starboard) lithium is more expensive but in the long run will pay for itself many times over. We have had them since last 2018 now and have been very happy with the performance, both in the tropics and cold.
@@svdelos I paid around $700 delivered for my 200 amp hour lithium batteries my 100 amp hour interstate agms were $350 each can only use 50% of their power and they only last 4 years. My lithiums have a life cycle of 5,000 cycles that's 12 or 14 years. So almost cost the same and last three times longer and give you 25 to 50% more usable power and weigh half as much. 4 me it was a no-brainer....
Only downside is The upfront cost and the thought you will have in the back of your head. "will they last" but I have zero regrets ,zero maintenance ,very light, super powerful ,charge faster ,run at about half a volt higher than lead acid. Also have a very steady voltage until they fall off unlike lead acid that's voltage is all over the place.
@@MB-ib5ji what brand of batteries did you blow up? Did your boat catch fire? Tell us your story please.
Hey Brian, an awesome presentation. Thank you for putting that together. Not an engineer, but i love that sh*t.
Been watching for years. You guys rock! 😎
Electrical/Electronics WAY ABOVE my Pay Grade😜 But the Sailors/Cruisers must find this Video Very Helpful👍Continue to Stay Safe and Enjoy 😎