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 > Your search for posts made by 'srschang' found 60 matches.

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RE: 2013 Lance 1172 compatibility with Lithium ion batteries

Hey 3 tons, I'm struggling with extended (weeks, months) with my 2 LiFePo4 batteries in my Northstar. I also have small parasitic draws that discharge the batteries over the course of several weeks. And I don't want to disconnect the batteries as my Pioneer stereo takes me 15 minutes with the manual to get demo mode off, dazzling display lights off, all four speakers working..... every time I disconnect it from the batteries. I currently have a Progressive Dynamics 45A LiFePo4 converter. The problem with the PD LiFePo4 chargers is that they charge at 14.6v - all the time. So if I leave the camper plugged in, it will sit at 14.6v as long as it's plugged in. Bad for LiFePo4 batteries. I found that the WFCO 50A LiFePo4 replacement converter/charger section charges at 14.6v for 4 hours, then drops down to 13.6v as long as the camper stays plugged in. If the camper is unplugged and plugged back in, it will again charge at 14.6v for 4 hours, then drop to 13.6v until the camper is unplugged. Perfect for leaving it plugged in for extended lengths of time. Here's a link to an interview with the CEO of Battle Born batteries. His comments on long term battery storage start at 12:50. Comments specific to longterm float at 13.6 are at 14:30. Scott
srschang 09/15/20 09:32am Truck Campers
RE: What do you guys use for a BBQ?

Weber Go-Anywhere charcoal grill. Smallest grill I could find.
srschang 09/07/20 01:20pm Truck Campers
RE: Replacement running lights question

Check this etrailer link. Somebody asked them the same question, and they had suggestions. Scott
srschang 08/25/20 01:07pm Truck Campers
RE: Lithium batteries

Srschang, is the changing wire to the camper on your truck not switched by the ignition? Even if it’s not, why would your trucks AGM’s not like 14.6? The AGM charging specs I’ve looked at seem to like up to about 14.9. That’s assuming that the 14.6 from the camper is even reaching the truck batteries, that is. There’s about 20 or so feet of wire between the camper converter and the truck batteries on a crew cab pickup, so the voltage drop is going to be considerable. At any rate, a few minutes with a volt meter would tell you. For me, having multiple ways of recharging the camper battery is a good thing. I’m not always in a developed campground, or even in an environment where solar can be totally relied on. It would be nice to have a panel or two on the roof, but the DC-DC charger isn’t dependent on the sun. If I ever get around to adding a solar panel, I’ll just connect it to the solar input on the Redarc. :):) I don't know how the truck/camper charging interface works, that's why I disconnected the charging wire from the truck. Didn't want to screw anything up on my one month old truck. And like I said, the solar takes care of all the charging we need. Scott
srschang 08/22/20 12:31pm Truck Campers
RE: Lithium batteries

Great interview with the CEO of Battleborn. Video contents: Start of video to 6:30, low temps 6:30 high temp/ degradation 8:30 cycling 9:30 longevity/ charge profile 11:30 balancing 12:50 floating 15:40 storage 17:40 cold cranking (which in reality doesn't really apply to lfp) terminology.
srschang 08/22/20 08:43am Truck Campers
RE: Lithium batteries

I have no need for truck charging for my 2 100ah Battleborn batteries. The 400w of solar keep them charged up. In fact, I disconnected the truck charging wire at the camper converter, I wasn't sure how the AGM truck batteries would handle the 14.6v from the converter when I have the camper plugged in.
srschang 08/22/20 07:12am Truck Campers
RE: It gained weight.

Or Burger King.
srschang 08/21/20 07:49am Truck Campers
RE: It gained weight.

Been eating a lot at McDonald's lately??
srschang 08/21/20 07:49am Truck Campers
RE: how to mount solar panel

If you want any size or shape aluminum tube, check Mcmaster Carr. Raw materials - metal - aluminum - tubing. Order today, you will have it tomorrow.
srschang 08/16/20 08:51am Truck Campers
RE: What did you do to your Camper Today?

Switched my phone from AT&T to Visible, a subsidiary of Verizon, so it works on the Verizon network. We spend lots of time camping / 4 wheeling in central Pa, and Verizon has much better coverage then AT&T in that region. Then I ordered a mini wifi router. After playing with it for awhile, I can now tether the mini router to my phone, and have wifi in the camper. We kept my wife's phone on AT&T, so we can tether whichever phone has the best signal.
srschang 08/15/20 08:00am Truck Campers
RE: Updating CO/Propane/Smoke detectors/alarms

Keep in mind that a hardwired 12v detector will constantly draw on the battery. Not a lot, but enough to kill a battery in a couple weeks. Absolutely NOT. The typical RV propane detector pulls about 10 milliamps. That is 0.01 amps or 0.24 AH/day. So it will pull about 40 AH in 6 months. That is about a 50% draw on a single small RV battery. Well, my propane detector, CO2 detector, and smoke detector pull .2 amps combined. So 5 Ah per day, dead battery in a couple weeks.
srschang 08/04/20 06:36am Truck Campers
RE: Updating CO/Propane/Smoke detectors/alarms

Keep in mind that a hardwired 12v detector will constantly draw on the battery. Not a lot, but enough to kill a battery in a couple weeks.
srschang 08/03/20 06:52am Truck Campers
RE: Honda2000 in an Onan compartment

Wow, i know the exchange rate is in our favor, but the MORryde tray is $130 from Amazon here!
srschang 07/28/20 07:22pm Truck Campers
RE: Honda2000 in an Onan compartment

Our new Northstar TC has a cabinet specifically for a Honda or similar generator. It has an electric "inlet" wired into the cabinet, I made a short jumper extension cord from the genny to the "inlet". It also has a propane line plumbed into the compartment if you want to convert your genny to propane. And the best part, it has a MORryde sliding tray to slide the genny outside to fuel, start, & run! The door to the compartment has a big vented section, I guess to let the genny cool down after you stop it and put it away. The door is also hinged at the top so it acts as an awning in bad weather.
srschang 07/28/20 10:27am Truck Campers
RE: Honda2000 in an Onan compartment

I looked at the Northern Light website, and there's a picture of a Honda generator in the generator compartment with the exhaust pointing out of the compartment. Looks like it's hooked to a propane line in the compartment.
srschang 07/28/20 06:48am Truck Campers
RE: 271 Ah upgrade

For our use in the Northern U.S., 2-100 ah lithium batteries and 4-100 watt solar panels is a bit more than what we need. Spent a couple months traveling to Alaska and back last year, and didn't need to plug in the entire trip. We didn't have a generator. The batteries didn't charge from the truck either, as I have that wire disconnected. We did plug in a couple nights at campgrounds to run the a/c when it was too hot for us. Our typical daily power usage: - watch tv for 2-3 hours at night - lights - water pump for showers and stuff - electric compressor fridge - listen to music for an hour or so in the morning - 3 or 4 cups coffee Keurig on the inverter every morning - wife dries hair on the inverter every morning. Typically the batteries are at 60 - 70% in the morning before the solar starts charging them back up. If its sunny, the batteries are 100% by noon or 1PM. If it's cloudy, 5 or 6pm they are back to 100%
srschang 07/11/20 11:24am Truck Campers
RE: 3M 5200 Marine Sealant et al

I can only answer one of your questions. Once silicone caulk is applied, it works well for a long time. But it eventually needs scraped out and replaced. Unfortunately, even if you do a great job removing the silicone, and it looks spotless, there is still a film of silicone on the roofing/trim/whatever you scraped it from. Nothing will stick to that film, not even new silicone caulk.
srschang 07/06/20 11:59am Truck Campers
RE: Super Basic Solar Upgrade

I have four solar panels on the roof of my TC. They do a great job charging the batteries every day. To answer your questions: Can I add a solar controller and panels that will charge my batts without worrying about any ill effects to the converter being affected? Does the solar back-feeding the converter cause problems? No, your converter will just sense a higher voltage for the battery/solar controller combination. What type of panels are the best to get for a camper roof? What do people use to install them through the membrane and prevent leaks? Any particular concerns about drilling through the membrane? I installed basic Renogy 100W hard panels. When I began installation on the roof of my new Northstar, I contacted the factory for advice. They use Eternabond tape between the solar panel foot and the TPO roof material, screw it down, then apply Dicor self leveling sealant over the screw, solar panel foot, and Eternabond. I used double sided Eternabond tape, it sticks to the roof and to the foot. Where is the best site to learn more without getting into a full-blown solar zealot approach to state of the art solar power generation involving thousands of dollars? The best I found is DIY RV Solar Systems Facebook Group. Lots of great ideas and examples of small to immense RV installations. I start talking about this and my wife's eyes begin to glaze over almost immediately. All she imagines is a mountain of cash going out the door. Yeah, just wait. You will have anyone you ever talk to glazing over and walking away. "Hey Joe, you should have seen yesterday my batteries were pretty low, and I was getting 22 amps from the solar panels!!! Never saw it that high!!! Wait, let me check it right now. A little lower today, must be because the batteries have more charge in them. As I was saying, yesterday... Wait, where'd he go?"
srschang 07/06/20 11:44am Truck Campers
RE: Dropping Camper at KOA campground?

We did Going To The Sun road last September. We stayed at Glacier Peaks Campground in Columbia Falls (highly recommended). Although there are many curves, and the 21 foot length is a concern, the overhanging rocks make the 10' height limit a must! We rented a car for the day near the airport for the drive through the park. We entered the park just as it was beginning to get light. Didn't have to pay as the gates weren't staffed yet. It was great for a bit, very little traffic. But within a half hour, it was bumper to bumper. Forget stopping to take pictures, any pull off was full of cars. The pictures we have were taken by my wife holding her camera out the window as we drove past. We stopped at Logan Pass, about 7:30 am as I remember. There were a few parking spots left. We hiked the Hidden Lake Trail, which was beautiful, passing hundreds of our best friends on the way back out. The buses had arrived. When we got back to our car, the parking lot was full, and many, many cars were circling the lot waiting for someone to leave. This was 9 or 9:30am. I don't remember much of the rest of the drive as my focus was on all the traffic and idiots pulling in and out and blocking traffic waiting for a parking spot. As you can gather, it wasn't a very good experience. Was it beautiful? Absolutely. Did I get to enjoy the drive? No way. Glad we checked the box, won't happen again. The popular US National Parks need to do something different. Lottery system? I'd hate it, but I don't know if there's any other solution. We had a similar experience at Yellowstone and Grand Teton on the same trip. Getting to be way to many of us Boomers on the road anymore.
srschang 06/24/20 08:58am Truck Campers
RE: 19.5s again ... new recommendations?

I have the Cooper RM352 19.5's on my Ram as well. A bit noisy as expected with the aggressive tread, I'm OK with it. The only problem is I can't get two of the four balanced. I've tried two different tire shops, and they stack weights on top of each other as they are that far out of balance. Still shake at 37-44 mph and 67 and up mph.
srschang 06/19/20 07:06am Truck Campers
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