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 > Your search for posts made by 'Boatycall' found 6 matches.

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RE: Need help shedding 3/4 ton - Lithium Battery project

Lithium batteries are often used in Sprinters conversions, where space and weight are at high premium, while money is no object. First thing owners do is installing battery to battery chargers and lithium require higher voltage. If your converter and solar module don't have adjustments, you will need to replace them. I'm seriously considering these, because the built-in BMS makes them 'plug and play', directly replace lead acid deep cycle or AGM's, on ANY charger, even a cheap OEM Magna-junk. Lion Energy Lithium Batteries Quote from their website-- "The Safari UT 1200 is the latest in Lithium battery technology. It replaces traditional deep cycle lead acid batteries with the safest Lithium – Iron Phosphate. It is a “plug and play”– simply remove the deep cycle lead acid battery from your RV or boat and replace it with this superior performing battery."
Boatycall 05/12/20 10:00pm Truck Campers
Need help shedding 3/4 ton - Lithium Battery project

Long story short - I'm an Electrical Engineer. Several years ago I was able to get some very expensive 145AH AGM batteries, brand new, literally by the pallet, for free. Needless to say, I went to town - I set up my Eagle Cap 1160 with a half dozen, and my 24' trailer, "The Shotwagon", with 6 more. Well, they weigh 125lbs each. That's literally 3/4 ton just in batteries. But as the system sits, I can easily run the roof air with both solar systems tied together, off the inverter. Well, fast forward to 2020. It's been several years, and those batteries are starting to fade. Time to kill two birds with one stone. I'm looking at Lithium batteries, to go on a diet. Both the Morning Star controllers and the Magnum Inverter/Charger support the voltage steps/modes necessary for lithium battery charging. And all the batteries I've been looking at have their own BMS built-in, so technically, they are 'plug and play'. The setup I did - (The pic is kinda hard to read due to size limits) TC - (6) batteries Magnum Technologies 3kw Inverter/125a DC Charger (8) Grape solar 100w panels Morning Star MPPT60 solar controller The Shotwagon - (6) batteries (4) Unisolar 145watt 'Peel and Stick' solar panels Morning Star MPPT45 controller Xantrex 1800w inverter *No* 110/DC charger - charges by either solar, or a 100a 4ga disconnect between the truck, TC, and trailer - truck charges while driving, camper's Magnum charger when parked. My questions: **Please help me out here and limit responses from actual Lithium Battery owners** * Battleborn seem like the ideal setup, but they are the absolute most expensive of all the ones I've seen. What do you run? * They say the "actual usable Amp Hours" of a Lithium battery is near 100%, where as lead-acid and AGM, they claim, is only 40-50% of rated AH - what is your experience? The claim is that 300AH's of Lithium can, in effect, replace 600AH's of AGM's. * How does the truck charge wire handle being plugged into Lithium's? * Any heat issues on high charge/discharges? * Any special considerations when doing the swap besides a compatible set of charge voltages? System design-- http://www.osorc.com/files/misc/batts/design.jpg Grape Solar panels - 76 holes, only one small leak...found it and fixed it right after that rainy trip. http://www.osorc.com/files/misc/batts/tc_solar.jpg Three of the six batts in the trailer, inverter and solar controller -- http://www.osorc.com/files/misc/batts/t-batts.jpg Three of the six batteries in the TC - two facing and one to the right on it's side-- http://www.osorc.com/files/misc/batts/batts.jpg Here, on a good day, getting the full 60amps charge the TC's solar controller can do-- http://www.osorc.com/files/misc/batts/controller.jpg
Boatycall 05/12/20 08:05pm Truck Campers
RE: Newbie ClassA questions - Stacker trailers

a triple axle stacker spread axle will set level not hooked to the motorhome just make sure your load is close to level.makes all the difference That's very good to know - I know towing a same-size double vs. triple axle toybox is going to have a totally different tongue weight requirement. Rule of thumb for 2-axle is 10-15%, what is triple axle? Good example of a trailer I'm looking for has axles almost taking all of the tongue weight--- 24' Triple Axle
Boatycall 12/12/19 02:45pm Class A Motorhomes
RE: Newbie ClassA questions - Stacker trailers

Well this isn't good... When I go to 'Class C' forum, then click on sub-topic 'Super C', not one single post in the forum at all.
Boatycall 12/11/19 09:11pm Class A Motorhomes
RE: Newbie ClassA questions - Stacker trailers

So I'm picking up here that there is a design/towing difference between a Super C and a Class A? A Super-C would be better for what I'm thinking? Weight - I'm looking at the triple axle's for stability and for weight. Either 6k or 7k per axle. My current trailer is 6k x2. Also looking at aluminum framed trailers for weight. Empty weight of the trailers I'm looking at is ~6500ish, and either 18k or 21k total GVW. I plan on roughly 10k in cargo - 4-door Jeep Wrangler, Can Am side by side, Harley, dirt bike, and misc tools/stuff. My current trailer is regularly at 10-11k. I have a DOT scale just up the street I hit regularly.
Boatycall 12/11/19 04:43pm Class A Motorhomes
Newbie ClassA questions - Stacker trailers

I'm an old fart, been on RVNet almost 20 years, I've had virtually every type of RV, except Class A. Right now I have the setup in my sig, F450, large 2-slide TC, towing a 24' cargo trailer. I'm considering jumping to a very specific configuration, and would like some input from those who have it. I'm looking to go with a minimal length Class A diesel pusher, but specifically, also want to tow a triple axle 24-26' stacker 13'6 high trailer for toys. I'm already 56' long with my current set up, would like to stay under 60' if possible. For those who have one -- * How does a stacker trailer tow in crosswinds? * What HP do you recommend? * What MH chassis's would I want to avoid for this? * I would want a smaller Class A, 36' or less, is that advisable or does the trailer weight necessitate a larger one? * Do I need to go big on the MH, with a tag axle?
Boatycall 12/11/19 01:59pm Class A Motorhomes
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