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  1. DiploStrat

    Anyone using both lead acid and lithium (battle born) through d250s b2b charger?

    Indeed. OK, I did exaggerate a bit, but not by much. We did not conduct a very rigorous, well documented test, but you may enjoy these numbers: LiFePo 10v 160A LiFePo 13.3A 120A LiFePo 13.8v 106A lead 14.3V LiFePo 13.9V 96A lead 14.4v LiFePo 14.0v 83A lead 14.48v LiFePo 14.1v 65A lead...
  2. DiploStrat

    Anyone using both lead acid and lithium (battle born) through d250s b2b charger?

    (Sorry - did not see that dwh had posted before I pressed "go.") FWIW - in my limited testing with LiFePO4, the manufacturer provided me with a "dead", as in the BMS had shut off, 100Ah battery. Connected to my truck the charge rate jumped to over 150A and stayed there for an hour. Indeed, we...
  3. DiploStrat

    Anyone using both lead acid and lithium (battle born) through d250s b2b charger?

    Voltmeter is your Friend Any discussion of charging a camper battery from your vehicle's alternator starts with knowing the nominal charging voltage of your vehicle's system. Modern vehicle run the voltage up and down depending on the needs of the vehicle and the needs of the battery. Many...
  4. DiploStrat

    Anyone using both lead acid and lithium (battle born) through d250s b2b charger?

    Hmmmm. The purpose of the CTEK D250S is to raise the voltage of your vehicle to 14.xV for an AGM battery. Some Toyotas run at 13.9v. Why would you pay extra to boost the voltage of your vehicle when your battery only wants 13.8v? This is one case where a simple, key controlled relay is a far...
  5. DiploStrat

    How to make a cheap isolated dual-battery setup for $50

    Got a beat and you can dance to it, and I'd like one too! For the purposes of this thread, it would have to long, multi-stranded, and well insulated. ;-) And, for the record, every Swedish guitarist I've ever played with was great.
  6. DiploStrat

    How to make a cheap isolated dual-battery setup for $50

    Peace! PAX! You can both yell at me. I'm a history major who never, ever worked as an electrician or a mechanic! And I don't have a yardstick.
  7. DiploStrat

    The Road Chose Me: Driving a Jeep Wrangler 80,000 miles around Africa for 2 years

    Keep all Three Eyes ... open. Nigeria is the BIG country with the BIG city. (At least until you hit Congo.)
  8. DiploStrat

    This is what I am thinking....

    Try this ... It will not answer your questions directly and it is aimed at bigger systems, but the methodology is sound and it includes some proven rules of thumb. You can design an effective system, but you have to make it big enough...
  9. DiploStrat

    Need suggestions for a custom black water tank

    Another Vote for a Composting Toilet The Howes (http://www.travelin-tortuga.com/Travelin-Tortuga/) have taken their US Class C Tiger to more than 55 countries. they use a conventional black tank and have this to say: … We also use and recommend a macerator pump for dumping our tanks...
  10. DiploStrat

    School me on the topic of toilets ;)

    I have a Nature's Head in a small bath with an exhaust fan. The short answer to your question is "no." There are many reasons for this, but the simple fact is that unless you have a problem, there is simply no odor to draw in. We used to demo our Tiger a lot and one of the classic demos is to...
  11. DiploStrat

    Discharging AGM batteries beyond 50% - could it be a smarter choice?

    Some Comments ... NOT backed up with personal experience. A local marine electrician, who is well regarded, loves the Firefly batteries. They were developed by Caterpillar, but are made in India. Quality has been an issue with some batches...
  12. DiploStrat

    12 volt "upcharger"?

    Sorry, no personal experience. You are on your own.
  13. DiploStrat

    12 volt "upcharger"?

    Sorry If I Was Not Clear Sorry, two points: The first is that your factory alternator is, in fact, regulated to some target voltage. If that voltage is 14v or higher, there is very little advantage to be gained by a B2B. If it is too low, it may be possible to raise the voltage with something...
  14. DiploStrat

    12 volt "upcharger"?

    Common Sense People often have the idea that their factory alternator somehow lacks regulation or that a secondary regulator MUST be better. Most of the time, if you have the right voltage, you are done. I have never played around with add on diodes, but user "Skygear" uses one of these on...
  15. DiploStrat

    12 volt "upcharger"?

    I'll add my usual, contrarian view on B2B. If your Jeep charges at 14.3v, the you have no reason to add a B2B, unlike the poster whose Toyota runs at 13.9v or less. (Although there are easy ways to boost the voltage on the Toyota.) Use the relay isolator of your choice, key control, automatic...
  16. DiploStrat

    Installing an Isolator Relay to an EXISTING dual battery system. Where do I start?

    Some Contrarian Thoughts No, you don't - but this is a common misconception. -- You don't need to keep your starting battery "safe" unless you plan on having a camper battery that is too small to carry the load. You need a battery this is large enough to cover your load; an isolated system...
  17. DiploStrat

    The Road Chose Me: Driving a Jeep Wrangler 80,000 miles around Africa for 2 years

    Great Site! Exactly the campsite that is so hard to find in the States! N.B. Do remember - never camp between a hippo and water. And they do clear such nice sites!
  18. DiploStrat

    SOLD (Sorry) - 2013 Malayan Tiger, 3500 Chevrolet Duramax

    Shameless Bump for Living Systems Stephen Stewart wrote the seminal discussion of the overland campervan, especially as it pertains to the challenge of living "in" the vehicle, as opposed to "beside" the vehicle. See: http://www.silkroute.org.uk/equipment/choosevan.htm Beloved Spouse and I...
  19. DiploStrat

    ElectroDacus Lithium Battery Charger

    Ding! Ding! We have a winner. One of the (many) BIG differences between lead acid and lithium is the fact that a lithium battery has a very flat voltage curve. This is good and bad. Put a lead acid battery on charge and the internal voltage starts to rise immediately. As this voltage rises...
  20. DiploStrat

    Help me evaluate my electrical needs for full-timing

    Thank you for the kind words. While all of the documents are (I hope) correct, do check the dates. The newer ones benefit from about two years of real world experience. And remember that lithium batteries can be very different.
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