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Most reacted threads

  • KMP BMS out of Canada

    My engineer colleague that is guiding me through my build has suggested three BMS that he has significant experience with that he believes would be a good choice for my marine build. (He is the founder of a company that has built nearly 100,000 battery systems in the past sixteen years.) (1)...
  • Using tinned copper wire, lugs, bus bars in marine environments

    I found this today from the Blue Sea web site: ”Corroded connections are the main cause of high resistance connections that cause equipment to quit working or to work poorly. Frequently high resistance connections are the result of corrosion on the surface of unplated brass and copper...
  • Recommendation for multi-pin connector kits?

    I am looking for an all-around connector kits that are waterproof (automotive?), and come in a kit that has anywhere from 1-pin up to 6-pins. I've always used molex connectors in other projects in aviation, but am looking for more advanced, modern technology. I thought that I would ask this...
  • Accessing IoT devices that sit on a Starlink boat network

    Hello All, I use Starlink on my boat. It works great for my usage pattern. When away from the boat, I can access my Victron Energy devices, no problem using their VRM. But I am looking for a way to access my REC BMS devices that are using the REC WiFi module. I'm told that this is not a...
  • Can this breaker from AliExpress be used to disconnect a solar array?

    https://www.aliexpress.us/item/3256805292372148.html
  • Why do some LFP batteries advertise high C discharge rates?

    Looking at https://www.gobelpower.com/battery_cell_database_ap14.html What is it about the design that allows them to advertise a high Pulse Discharge Current rate compared to others that are a low as 1 C? I'm confused!
  • Planing to use Victron lynx 1000A Shunt but can only find fuses up to 800A

    I would think that the lynx 1000 system would require/support a 1000 Amp fuse? I can't find any 1,000 Amp CNN fuses. What am I missing from this?
  • Fortune 100 vs. Calb 180, vs. Calb 230 cells. Which one to choose?

    I'm speaking with one U.S.-based reseller that speaks very highly of the Fortune 100 cells for many of the same reasons that Will Prowse likes them. They sell a ton of them and have them in stock. I'm also chatting with another U.S.-based reseller that speaks very highly of the CALB 180 cells...
  • LiFePo4 choices for large bluewater sailboat

    Looking at BattleBorn (https://battlebornbatteries.com/shop/12v-lifepo4-deep-cycle-battery/), Victron (https://www.victronenergy.com/batteries/lithium-battery-12-8v), and MasterVolt (https://www.mastervolt.com/products/li-ion/mli-ultra-24-5500/) to replace 24v 1000 AH AGM battery bank. Plan to...
  • Building 4 x 3P8S 24v battery-pack from 96 Fortune cells

    Hello All, Due to the access to the battery box in my sailboat, I am working through plans to build 4 battery packs. Each pack will be configured for 24 volts and consist of 24 Fortune cells. 4 batt packs x 24 cells/pack = 96 cells. The attached diagram shows my thinking on how to wire each...
  • So... Set me straight on a few things related to battery C ratings and BMS capacity... Please!

    Hello all, The Fortune 100Ah 3.2V 6C battery cell has been receiving good recommendations around the internet including on the Will Prowse DIY Solar Power YouTube channel. Checking the specs on the website www.electriccarpartscompany.com website lists some of the specs as "2C (6C for 10...
  • Pro and cons of separate charge and load busses

    Hello All, As I am working through and designing my system and am trying to find any information on the use of separate charge and load busses. I am not finding and discussions on the forum, but admit that I may searching on the wrong words. Any help is appreciated.
  • High output, high quality bench power supply recommendations?

    I've seen a number of posts for cheap bench power supplies, but have not found any recommendations for high quality, high output, professional or semi-professional bench power supplies. I'm willing to make the investment in quality gear. Thoughts?
  • Struggling to put my BMS strategy together

    Hello All, - I am swimming in the amount of information available on this forum that I've been reading for the past few weeks. - I have some gaps in my thinking that I need to close. - I am planning a 96 cell installation in my sailboat organized into 4 battery packs of 24 Fortune 100ah cells 2C...

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