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Most reacted threads

  • Letter from ABYC President re LiFePo4 safety on boats

    I hope they release a good complete report with photos and such. Interesting work done. ABYC President's Message Common Sense ABYC is built on a tradition of common sense and real world experiences. Early in my technical days, I was told ABYC designed the Standards...
  • Many here say that an alternator should not be connected to LiFePO4 and that one should use DC-DC Charger

    I understand the reasons. A stock alternator directly connected to Lithium is a problem as the low internal resistance will cause high continuous currents and kill the alternator by heat. But many (most?) serious cruisers who rely on an alternator for significant battery charging will have a...
  • What are the top 5 gotchas for going totally off grid

    I’m building a house from the ground up in Costa Rica which will be off grid with grid back up. I’m going to do a very high-quality system with basically all Victron maybe even Victron batteries as I am Victron dealer and get good pricing. I have every choice in front of me for how the...
  • Electric heating of pool - Just a touch but still is it practical?

    So I'm building a house in Costa Rica and plan to make it "off grid" with a large PV array, large battery, and larger inverters. This is not a frugal living situation but a independence choice. I will have the local GRID as a backup for if my PV does not keep up in an extended poor solar...
  • Lux off grid - 36" range options

    I'm building a luxury off grid house in Costa Rica. We are getting close to time to pick appliances. This is not a frugal living situation but we do need to be smart about power. The original plan calls for a 36" range which we planned to get in "dual fuel" with gas burners and electric oven...
  • Units moderator. There should be a units moderator assigned.

    I'm not volunteering. I have to say that I fairly often view threads and then just close them and move on when the units used are all incorrect. The point isn't to be a stickler and pain the the ass and not help people that don't understand. If someone is asking for help and they have their...
  • Struggling with spec'ing panels to max out 2x Victron MPPT RS 450/200

    I am working on a design for a system of about 25kw to power my off-grid house with consumption of about 30kwh/day. My PV arrays will be on a ground mount some distance from the house (maybe 300m). In order to transmit power most efficiently over this distance I was going to run the PV...
  • Solar Panel distributors near MD DC VA?

    I need a small quantity of panels. Shipping kills the purchase. I would love to find a local distributor in the Maryland area to buy from. searched on Google etc. Any suggestions?
  • Found working on a boat today. Be careful out there kids.

    Ventilated to help keep the connection cool.
  • What does the symbol mean in a lighting plan?

  • Best Solar/battery/inverter topography for grid assisted off-grid in Costa Rica

    Hey I'm new here. Hello to the group. I am building a medium sized 3 bedroom "luxury" home in the jungle in Costa Rica. We have US spec 120/240v split phase power here. I have done a load inventory but it is somewhat hypothetical based on all the appliances and such that I will buy and spec...
  • Products to make a ground mounted array into a weatherproof "roof"

    So I'm planning a system for my home in Costa Rica and my plan was to do a array on a ground rack in a clearing where I have good sun exposure. The array will be about 10kw. So I was thinking that if building this rack and array it produces a shaded and protected area underneath. I starting...
  • What do you think is best arrangement for "grid assisted off-grid" setup for Costa Rica

    Hey I'm new here. Hello to the group. I am building a medium sized 3 bedroom "luxury" home in the jungle in Costa Rica. We have US spec 120/240v split phase power here. I have done a load inventory but it is somewhat hypothetical based on all the appliances and such that I will buy and spec for...
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