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 > Your search for posts made by 'S Davis' found 79 matches.

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RE: Why do I need a DC to DC charger?

100 amps seems like a lot even on four batteries and especially a lot on the alternator. The alternator can handle it, I have a high output alternator. I drive a couple hours a day and want to take advantage of that.
S Davis 09/22/20 08:54pm Truck Campers
RE: Why do I need a DC to DC charger?

I am getting ready to install two of the 50amp Redarc dc to dc chargers on my truck, they are charging four Trojan T105s to start.
S Davis 09/22/20 06:56pm Truck Campers
RE: Is there a correct battery voltage chart?

My trojan T105s are 13.1 volts when fully charged after resting for a couple hours.
S Davis 08/26/20 12:26pm Tech Issues
RE: Anyone have experience with Palomino Truck campers?

There is someone in the “who full times in a truck camper” that says they bought one, might ask her “LadyRVer” directly.
S Davis 08/18/20 04:27pm Truck Campers
RE: New Hummer has crazy good specs. 1000 HP and 1150 torque.

So.... I guess all these deleted and programmed diesel kings are not so cool anymore......lolThe coolest part is the billowing black smoke to engulf any person or vehicle that has an intolerable point of view or lifestyle. Hummer will not work well for for the cool diesel group. A properly deleted and tuned truck doesn’t billow black smoke, if it is billowing black smoke there is unburnt fuel/not enough air. My wife’s deleted/tuned 09 Chevy smokes less than my 2013 with all emissions intact, and the 09 is pushing 730hp.
S Davis 08/03/20 07:32pm Tow Vehicles
RE: Airbags not working with overloads

You will have a really bouncy ride and more sway with the load taken off the overloads, I went through that on my 2013 2500HD and ended up going with helper springs instead. The problem with that is the unloaded ride is rough. The air bags also raised my rear about 2” making loading and unloading at the upper extension of my jacks.
S Davis 07/16/20 02:09pm Truck Campers
RE: Powermax 75 amp converter/charger

A hydrometer dip would quickly end ouija board seance and crystal ball guesswork. Unless you delight in "the Butler Did it" drama.. I got one and will check them, the other pair showed fully charged after sitting for a couple weeks. I am discharging them to about 50% then I will check them before and after the recharge.
S Davis 07/13/20 10:58am Tech Issues
RE: Powermax 75 amp converter/charger

So can they be sulphated when they are new and only have 2 Charge cycles On them?
S Davis 07/12/20 09:24pm Tech Issues
RE: Stay on your own side....

There are plenty of sightseeing places in the 48. Go see what’s in your own country. Canada will open soon enough. Are Canadians still regularly doing their shopping in the US? Not here in western Washington, I was up at the Lynden wa and Blaine wa border crossing last week and it was dead. Only commercial trucks going back and forth, Blaines main street had three cars parked with most of the business closed, it looked like a ghost town.
S Davis 07/06/20 09:23pm General RVing Issues
RE: Powermax 75 amp converter/charger

Have you cleared up the 13 amp mystery? BTW, if not fitted now, the wires from the 75 amper should be #4 or you can choke off some amps. I saw that with a 55 amper that did 55 amps with #8 but did 60 amps with #4. Most converters can do a little better than their ratings given a chance. No but I am using about 6’ of #8 which is the smallest recommended in the instructions so that could be part of it.
S Davis 07/05/20 06:49pm Tech Issues
RE: Powermax 75 amp converter/charger

Ok so I will give them a full charge and monitor them next week when I go back to the job site. Just for giggles I checked the other two T-105s that were charged and have been sitting for about two weeks. They where at 6.36 volts and a specific gravity of about 1.325.
S Davis 07/05/20 11:59am Tech Issues
RE: Powermax 75 amp converter/charger

13 amps is fine if you have 14.68 volts. This is why I recommend a smaller PowerMax with just two batteries. 35 amp would be fine. Ok thanks, I have a total of four but only use a pair at a time until I get the rest of the charging system done and the inverter installed.
S Davis 07/04/20 04:30pm Tech Issues
RE: Powermax 75 amp converter/charger

Just a point so you aren't chasing your tail. All meters are not 100% accurate. Even a Fluke Meter (often referred as the industry standard) can be off and need to be calibrated. Low batteries can cause inaccuracies, etc. So, most important for calibration is repeatability. That means if I take a measurement and I come back the next day, I should be within 2% or 3% or whatever the accuracy of the meter is. Just a point for anyone reading, cheap meters are just that, cheap. They can be off by 5% or more as standard accuracy. Each of my meters were $400 - $600, not cheap. Good point, I am a HVAC/R tech and recalibrate my meters regularly.
S Davis 07/04/20 04:28pm Tech Issues
RE: Powermax 75 amp converter/charger

Good that it is 14.68 :) so see my note above re the 13 amps. You can run more 12v loads as a test. If the battery is still accepting 13 amps on the battery monitor, and those loads are running ok, then the converter must be putting out more than 13 amps which the loads are using. There are no loads on the bank when charging and I am using fluke digital meters for my volt and amp values. Maybe you are right and the batteries were at a higher state of charge, I was going by the Trojan specs. I will get a meter and check specific gravity.
S Davis 07/04/20 02:26pm Tech Issues
RE: Powermax 75 amp converter/charger

Sorry just caught my typo, it is putting out 14.68 not 12.68. I will try and pick up a hydrometer today.
S Davis 07/04/20 02:03pm Tech Issues
RE: Powermax 75 amp converter/charger

And just for clarification this bank is used without the charger hooked up, so I get back home and hook up the charger. The initial readings are within a min or two of hooking up the charger so I thought at 30% discharge the batteries would be accepting more amps.
S Davis 07/04/20 02:00pm Tech Issues
RE: Powermax 75 amp converter/charger

The powermax is only putting out about 13 amps @ 12.68 volts, does this sound right for a 75 amp charger?The voltage will rise, slowly, as the batteries charge, until the absorb setting is reached. Yes I have set the voltage, the first time I set it to 14.82 The Trojan spec but was only getting 14.68 when hooked up and charging. I reset it to 14.96 to get 14.82 out when charging, it just seems the amp output is low.
S Davis 07/04/20 01:54pm Tech Issues
Powermax 75 amp converter/charger

I am charging a pair of Trojan T-105 batteries, they were drawn down to 12.38 or 6.19 per battery which should be about a 30 percent discharge. The powermax is only putting out about 13 amps @ 14.68 volts, does this sound right for a 75 amp charger? https://powermaxconverters.com/product/pm3-12v-series/
S Davis 07/04/20 12:30pm Tech Issues
RE: 19.5s again ... new recommendations?

I went with Toyo M608 on my 2013 2500HD, they worked well except a little noisy with the open shoulder on the front . I run around 10,500lbs loaded and got almost 65,000 miles and still had tread left, I upgraded my truck to a 2019 otherwise they would still be on the truck. They were real good in the rain and had excellent traction in the snow and ice.
S Davis 06/17/20 12:25pm Truck Campers
RE: First Aid Kit Contents

I always include a splint, tourniquet and blood clotting pads or Israeli bandage as well as extra large gauze and extra ace type bandages.
S Davis 06/14/20 11:31am General RVing Issues
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