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  1. M

    JK 4s BMS - Issues Resolved Yet?

    I saw a number of posts about failed JK BMSs over the last year. Most of the problems seemed to be for units that were designed for 4S. The 8S-16S units seemed to be more reliable. Anyone know if JK has solved their reliability issues for the 4S units? Or is the recommendation still the...
  2. M

    New Victron 50 amp DC-DC Charger

  3. M

    Interesting Battery: Epoch 300 AH (with coms.)

    This new battery looks like a good contender for a mobile system. https://www.epochbatteries.com/products/12v-300ah-v2-heated-bluetooth-lifepo4-battery-epoch-essentials 300 continuous discharge, UL listing, multiple coms, etc I am hoping someone will do a video review....(please) MP
  4. M

    Hot Water Heating From Batteries

    I would like to do some limited hot water heating off a 12v, 400ah lithium bank. I know heating water takes a lot of energy. In my case, however, the tank is only 20 litters. Also, our water is typically luke-warm from the engine's heat exchanger from anchoring the night before. We are...
  5. M

    Frey ( Fortune) 110 ah Cells - Any Users on the Forum?

    I am looking at purchasing some Frey cells for a 4P4S configuration. Will P. did a video on the cells a while back. They are typically marketed in America as "Fortune" cels. I think they are still on Will's recommended cell list. I was corresponding with the manufacturer in China recently...
  6. M

    Anyone Know where to buy these terminal covers?

    Looking for some of these terminal covers for shipment to North America (Canada). These look perfect for EVE, Lishen or any other 6mm bolted cell. GWL also carries these, but the shipping is extraordinary ( same with the linked French company, but slightly better). See some product details...
  7. M

    DC-DC Chargers - Isolation and Sizing

    I'm trying to design a system to charge a 12v -280ah LFP bank from a high output alternator as well as charge and isolate an engine start battery. DC-DC charger seems a good way to go but there are 2 issues I'm trying to understand before committing to this route. First, do I need to size the...
  8. M

    Any Victron Experts out there? Diferent Versions of the Phoenix 12/1200va?

    There seems to two different versions of this inverter 1200va (1000 watt) available . Victron Pin# 121220500 for about USD $300 (this could be discontinued stock) and Pin 122120500 for about $400. The only difference I can see from the spec sheet is the more expensive model has VE...
  9. M

    Experience / Opinions of Lifepo4 Alibaba Seller - Shenzhen Continent Technology Co?

    I'm a newby looking for Grade A CALB 100fi for a marine application. This Alibaba supplier has by far the best prices - which gives me pause. Also, BTW excellent prices on CALB and other larger format cells. Anyone deal with this seller? If so, were your cells delivered as advertised...
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