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  1. tpenfield

    LiFePO Batteries ???

    Yes I did. It seems that they put more features in the TM version of the batteries, yet they can certainly be used as a general purpose battery for off-grid power systems. My main attraction to this version was the LTCP feature. Will Prowse did a review of the battery and noted the upgraded...
  2. tpenfield

    LiFePO Batteries ???

    The FedEx person arrived with the batteries . . . :D . . Very shiny . . . . . . . I got to charge them up as they are shipped with only about 25% charge. I am thinking that maybe I should let the Xantrex charge them up . . or maybe the ProNautic . . . which might be easier, based on the...
  3. tpenfield

    LiFePO Batteries ???

    More progress. . . The weather is not cooperating and it was sleeting a while ago. I manged to get the panel installed in the boat. I grabbed a couple of Group 27 Marine Starting batteries in town and still waiting for the FedEx person to bring the LiFePO4 batteries. . . In other news, I've...
  4. tpenfield

    Boat Pricing

    If you are looking for a solid and absolute number of the boat's value, you won't find one. Value is subjective. Look at NADAguides.com and BucValue.com and also search for any same/similar Ad listings. That will give you several points to establish a market value ballpark. Then it is a...
  5. tpenfield

    Mercruiser 250hp Stern Drive Bravo 3 leg dirty sea Strainer

    I'd locate the sea water strainers and clean them out. Seems like a fairly straight forward task unless you are not mechanically inclined. Post some pictures of the engines from various angles. The sea water strainer should be visible.
  6. tpenfield

    LiFePO Batteries ???

    Back at the boat . . . looks like rain in the forecast for the next few days. I got the component panel wired up . . . just got to give it the once over quality control inspection ( fancy words for checking to see if I wired it up correctly :ROFLMAO: ) . . I got to get the red caps for the...
  7. tpenfield

    Looking at buying a 2006 Bayliner Cierra 2455 that has seen better days at auction with an eye to restore it. Not sure what to look for.

    As stated, looks to be a 1988 and the engine/outdrive are obsolete as the company OMC went out of business 25 years ago. I would expect that the boat will need a new transom, engine mount stringers and perhaps the forward bulkhead. Bayliners of that era were real bottom of the barrel in terms...
  8. tpenfield

    LiFePO Batteries ???

    More progress . . . I am back home, away from the boat for a day or so. . . . but I did make good progress on the wiring yesterday and this AM. . . It is fairly tedious, since I am doing both crimping and soldering and then heat shrink at the ends. I just got to remember where everything goes...
  9. tpenfield

    Small and light boat for 5+ people?

    Perhaps the well-loaded aluminum boats that you see are actually over loaded. :unsure: Rigid Inflatable Boats (RIB) of about 12 feet in length have the capacity in the range that you are speaking of.
  10. tpenfield

    LiFePO Batteries ???

    A bunch of my stuff arrived today, so I was able to get the components mounted to the PVC board. Some of the components are more straight than others . . . :ROFLMAO: . . Now just to wire it all up. :unsure:
  11. tpenfield

    LiFePO Batteries ???

    Progress update . . . Waiting for parts/supplies to arrive. I did stop at West Marine yesterday for a couple of things, but the pricing is a bit scary vs. what I can do online. Anyway, I've got my battery box layout roughed out. The 2 engine batteries on the outside and the 2 house batteries...
  12. tpenfield

    Fuel tank repair

    Many/most welding shops won't repair a used fuel tank, and for good reason as Matt mentioned. If the tank is 0.125" thick aluminum (check the certification label), then it is probably done. Even if it were 0.019" or more thick aluminum, I'm not sure I'd want to have it repaired . . . The area...
  13. tpenfield

    LiFePO Batteries ???

    Yup, a dirty mess. More progress . . . slowly but surely. I prepped the lead that will go from the alternator isolator to the DC-DC charger. Keeping with the theme of the wiring, I added a label to the wire. . . Here is the wire installed . . . . . I'll be cutting/prepping the other end to...
  14. tpenfield

    LiFePO Batteries ???

    One thing that I need to do is isolate the ProNautic 1230 from that accessory (now the house) battery bank, which will be the LFP4 batteries. In addition I have to re-route the third branch of the 2-Alternator/3 Battery isolator. Finding these leads have take a few hours. The charger lead was...
  15. tpenfield

    LiFePO Batteries ???

    I'm not concerned about the charging current . . . the batteries will take more than the system can give it, and the recommended charging is in the spec. range of the other system components.
  16. tpenfield

    LiFePO Batteries ???

    Executive Decision . . . :LOL: I was going to try to locate the LFP4 batteries more forward in the boat to get as much weight as possible out of the stern . . . BUT . . . The bulkheads and conduit passage ways are such that it is going to be a PITA to do so. After at least 2 minutes of...
  17. tpenfield

    LiFePO Batteries ???

    The maximum continuous charge current is 100 amps. Which I recall checking as I looked into these batteries. So, in the extreme situation the Xantrex would charge at twice the recommended, but only 40% of the maximum continuous rating. They should be fine. I believe I can create a custom...
  18. tpenfield

    LiFePO Batteries ???

    The Xantrex can/does put out 80 Amps for charging. But to your point I'll take a look at the batteries and the Xantrex to see about the limitation you mentioned.
  19. tpenfield

    LiFePO Batteries ???

    Yes, I will be fine. :)
  20. tpenfield

    LiFePO Batteries ???

    Progress Update . . . I got the battery shelf in the engine bay cleaned out of the battery boxes and took a look at the remaining wiring. Each wire (cable) is labeled as to its purpose/connection (Thank you Cruisers Yacht :D ). Also, much of my electrical 'stuff' arrived today, so I've...
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