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Good day, I have been researching the victron Cyrix to partner my Victron 12 12 30 dcdc charger. My reasoning is that I'm using it on my winch truck and need good charge kept up but also need power of both batteries to power the winch. Are any of the cyrix dual pass through to allow both batteries to be used for powering the winch for more than a few seconds. Thanks hope you can help

Saving this one. I have a thermo top to fit to my narrowboat. your videos on this channel and others are great, very educational. thank you

HI Martin , thanks for the video.. is the 'buck boost charger' the battery to battery charger you mentioned ? and also , As i have two alternators on my barrus shire , would I need a buffer battery and a battery to battery charger ? thanks Howard

Great video Martin. I'm usually not one to pipe up, however, this video reminded me of situation at work many years ago. I'm an Ind Eng by education, but life took a turn after Uni and I ended up managing surveillance teams here in the West Midlands for many years. Lots of battery work required, including making up series and parallel systems to secrete in varied and unusual locations to power surveillance equipment, that (back in the day), might require it to be left for days and weeks without return to it. So a good knowledge and understanding of all elements of DC was essential. I had one member of staff who I trusted along with myself, ex car mechanic, , to do this. However I sent all my staff on an electrical safety course to understand the basics and particularly the safety implications. I had long advocated within the WMP snr management, that the charging systems used were inadequate and dangerous, using inadequate basic store bought chargers to charge and maintain resources! Having spent over £1k on a multi charger system, where others were spending £60 on poor quality systems with NO safety features. Roll on 6 months, and surveillance officers from Coventry were rushing out to set up a job , and whist setting up a trap car with batteries just taken off one of these chargers, it exploded in her face, and she was left blind in one eye and her face scarred for life! They even tried to blame her by saying she had connected the terminals incorrectly, which caused the spark that set off the explosion! I had spent the previous 12 months highlighting the dangers of taking batteries off chargers and immediately using them to set up systems, whilst the batteries were still effervessing hydrogen! Suffice to say, AFTER this incident, I created merry hell, pointing to the reckless incompetence exhibited by senior managers! Zero training, and reckless abdication of ensuring safe systems at work! Even after I had pointed out this very issue 12 months before! An officer lost the sight in her eye! Well done to you for highlighting this issue. These batteries were building up hydrogen gas in the battery cases, through the electrolysis! That hissing was pure hydrogen escaping! Thank goodness you don't smoke! Great video, and as a boat owner myself, delighted to see you going through the heating systems! I have an old webasto system, you have brought very clear focus on! I'll be going through your back catalogue of videos to upskill myself! Every day a school day!

Man, I love the videos. So much info. Also great to see someone trying to explain so much in a simple way.

Amazing video! Hope the project is still doing along? I had a question also, you’ve bonded the inverter to the hull in the event of a DC short to the case, do you also need to have a DC Neutral from your battery bank drilled into the chassis on a separate stud so you’ve linked your AC and DC bonding systems together? Only ask as I’m in the middle of something similar at moment on my barge. Thanks, Joe.

Great video, I was wondering why you included a battery to battery unit? The Fogstar lithium battery has a BMS built in to it that acts in the same way as including the B to B system. I’ve had mine a while as an auxiliary battery charging direct from the alternator no problem. 👍🏻

My webasto 5.5kw hot water system went kaput in my window cleaning van just after 18 months of use from brand new. Made quite a bit of noise then a bang with a big puff of smoke coming out the heater exhaust. Any idea what it could be? Coollant levels have always been good. Powered by 115amp leisure battery. Really want to get it fixed 😢

Sods law, the one time a bit of rain wouldn't have been a bad thing with acid splashes about the sun comes out. Question, did you find any holes in your clothes after washing them from the acid?

I'd be tempted to wire a 12v outlet with maybe even 5v usb somewhere to that buffer battery. Then if the system does ever lock up (BMS) and they have trouble resetting it at least they would have a full battery of 12v and usb 5v to charge stuff up with. It would then be a buffer backup battery.

Collingwood 😂😂 my neighbour asked me to have a look at his intermittent bow thruster put in by Collingwood (no quality check). Half of the nuts on the terminals were only hand tight and getting warm.

good job there was no martinnyte nearby or you'd have had more probs shifting them! you would think that the boats would have a removable (well slide out!) battery unit that could be unplugged and then moved in and out to remove some of the difficulty! mind your back... we all still need you 😊

Very good quality batteries. The owner must be heartbroken that they’ve pegged out.

I had a works van that had 5 victron 220Ah batteries. I took 2 out after finding out how far overweight it was. It was still just over with a full fuel tank. 3 years ago the remaining ones got changed for some lifepo4. Wow what a difference. That was 280kg out and 44kg of lifepo4 in. Swapping 4 x 6v trojans out of the boat and fitting a lifepo4 i now have 3 inches less draught. Great for shallow canals.

Hello Martin, it's Peter. Thanks for taking the time out to talk to me today, I can see why you now needed 5 mins to get away from all that lifting 😂 wicked video mate, speak soon 👍

I would have thought most would have gone for Lithium batteries now their price has reduced so much - I know it means they will need a DC to DC charger but they charge so much faster and have made a huge difference to our motorhome

I hope you are weighing them for scrap.

I have spent nearly 40 years working in the fire and security sector. Working in some of the largest buildings in London. I spent 10 years of that working as a technician, specialising in fire in the marine sector, working on anything from a super yacht to an aircraft carrier. I have also worked on some of the largest oil platforms around the world. I am now recently semi retired and was looking at getting into the marine fire alarms. Being self employed. Do you have any suggestions as to how I would get started? Btw I have just recently purchased a houseboat, and I am horrified by the state of the electrics onboard. But this is not a bad thing as I was intending to re wire the boat, making everything, including starting the engine voice controlled. Obviously with manual overrides built in!

What an interesting and informative video. I have recently purchased my first boat, with bow thruster issue. Which I have yet to attempt a repair on. I got a very interesting insight into how a bow thruster is wired. My background is that I am a qualified electrician on land, (although I might add it was a long time ago)! Also the mere fact that you are using a Fluke digital test meter, tells me that you know what you’re talking about! Thank you for producing this video, which I found by searching for bow thruster issues. I have subscribed to your channel and will work my through your past videos.

Too late brother, should have told me in highschool.

Even the chinese diesel heaters come with a fuel fiter

Nice vid martyn 😊😎👍

Another well made and informative video Martin = thank you.

Good video, cheers much appreciated.

Hi mate great channel. To add anti freeze,turn off rad drain then remove top bungs, use 90 threaded bend and fill with antifreeze,re fit bungs open valves and check pressure in system👍

Always interesting watching your Vids Martin great stuff mate keep em coming.

Watching you service a hydronic it’s interesting how you haven’t opened the water jacket and cleaned by the look of the temp sensors this needed doing you don’t appear to have checked / changed the fuel filter in the pump and to change the burner gauze it just pulls out you don’t need to strip the glow plug boss or flame sensor did you explain where to align the spot welds on the gauze to prevent them blocking the air hole

Great video....top notch work. If you ever need help I only just live north of Humber bridge.... Be nice to meet up.

Another intersting video. Thankyou. Being a domestic spark we also seem to get a run of the pain jobs/customers. Time out & holidays always helps. Just smile and plod on.

What caused the burnout on the inverter!?

Another holiday??? 😂

Always love your vids Martin!

A question for you. BSS require a 2P RCD. I’ve tried ringing them to clarify, but can you have an isolator switch and a board full of AFDD RCBO 1P+N breakers instead of one Double Pole RCD and MCB’s? I realise this isn’t quite the same as a 1P+N breaker in the event of a fault on the line conducted will trip both poles like a double pole breaker would but unlike a double pole breaker in the event of a neutral fault a 1P+N breaker wouldn’t trip as far as I understand. A double pole RCD monitors both the line and neutral individually and when a fault occurs on either it trips both poles. Is it this functionality (the monitoring on both line and Neutral) that is required in a marine installation or would a 1P+N AFDD RCBO breaker still fit the bill with all the added protection. Thanks.

Is there any regs when it comes to the board you mount these units on? Say fire retardant plywood for example. Looking to make a system like this but first I need to make myself a watertight and secure space to mount everything. Thanks.

Hello. I have one of these heaters installed and its giving fault 6 with the flashing light. Temperature coolant fault. We topped up the cooland and its still giving the same fault. Ive ordered a new sensor. Is it hard to fit or can i do it myself as were in ireland and finding it hard to get a webasto engineer since ours retired.

Just watched your video on careers. I am 58 where would i start very inteeested

Hi, very informative, are you local to Rugby? Need some work on our narrow boat 👍👍

Hi watched a couple of your videos & feel I can trust your opinion. I have been on my boat for 3 years with no problems at all. I've recently had batteries changed. My boat always started first time so I only needed 6 new leisures. At first I was told I had 5 leisure & 2 starters which I disputed so I was then told that 1 of the leisures is actually the starter. After the work was done I believe they swapped my actual starter for a new leisure & left me now with 6 new leisures &1 old no good leisure. When I complained they just quoted me for a new starter. Could you tell me please if a leisure battery used as a starter would work perfectly for over 3 years? Since this work has been done my engine won't even crank & my solar isn't working properly. I am single female that just doesn't won't to get ripped off. Any advice would be greatly appreciated. Thanks

Morning.can I ask how much do you charge on a full narrow boat rewire.or what's your day rate charge

Thanks for posting this video - there were a ton of details here that helped me. I’m in the process of figuring out why my new-to-me unit won’t fire but this helped massively with what good looks like. Thanks!

Hi, great instructional video please can you tell me the make of all the components and where to get them. Cheers Steve

Always with Collingwood 😂

No fuses or conduit were harmed in the making of this video. 😂😮

What a fantastic guy you are. I’m an alarm engineer also have addition 18 I’m doing quite a bit on my narrowboat, which I have had a year. Just doing Victron solar, the raspberry pi way. O you have made me fuse and earth mad. The amount of circuits on this 18 year old boat without fuses from battery. Or inverter and the small solar panel on now, would make you smirk. I love messing with the electrics. I would love more education videos you suggested. One day may have the pleasure of shaking your hand. Thanks mate. Chris from Liverpool

Sorry but 40% more out put on the tilties is not something negligible. For continuous cruisers its great! I had many clients who actually do tilt them. It made a great difference for them especially in winter. Also mount a small piece of wood onto the metal box rim and mount the fuses? Im so happy ive watched this video! Looking back ive seen soooo many victron 3kva inveters with 70 or 95mm2 cable 😅 and never understood why there's a double bolt on the inveter side until ive red their manual. This video reassured me that im right in sticking to my cablepermanual views. Dont install these often. Most of my clientele can't afford a 3 grand inveter. But that's typical for the East london area. Yea, i collect victron manuals these days. Cheers 🎉🎉🎉

I notice when they sell boats 10😊😊 15 20 30 years old they never mention the electric which i think on a boat is one of the most important things there have been a few fires they are horrific , when buying a boat this is one of the most important things 🎉

Great video, thank you so much! I have a few questions if you have the time and patience to help me out? I’ve just received my new lithium 460 ah from another company called roamer which looks the same size as this one in your video. I want to install it on my aqualine, replacing the current lead batteries. The lead batteries are currently outside and I want to have the lithium battery inside under the entrance stairs to keep it warmer than outside in engine bay. It would be next to the inverter. Would it be easier to use one of my exiting leisure batteries as a buffer as I’ve got two alternators? Or connect it through the starter battery?

Can I install something to turn it on with my cell phone ?