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I'm using one of these. I forget if I calibrated it when I first put it in, or if this model even has that same type of calibration, so that's probably the issue. I know I set it to the correct 100ah capacity, but that's all I remember doing.

It sat for maybe three months at most. I would agree that this sounds like there was some load I wasn't aware of draining the battery, but I have the shunt measuring the current in and out of the battery directly on the negative cable right at the battery. No current can get in our out without...

Um, isn't the 50% thing strictly for lead acid batteries? I'm pretty sure the advantage of Lithium, especially LiFe, is that they DON'T have an issue discharging below 50%. I mean, cell phones have never had this problem. Also, Battle Born themselves say they can be stored down to -15deg F...

I have a Battle Born 12V 100ah battery. I rarely drain it very far. I think the lowest I have ever seen it was about 60%. My main way of monitoring it is using one of those cheap generic battery capacity monitors that use a smart shunt. Lately I have been leaving the solar panels disconnected...

Well, I knew that my van had some rust on the rockers, but I got under there and really started poking around, pulling away the material that was totally rusted, and it's pretty bad. I did jack up the van from the area just in front of this rust hole, and it is solid. It lifts the front of the...

I have the Joytutus 26qt fridge, and I have been pulling the power plug out of the side of it any time I don't want to run it. I've noticed that it has a small battery draw even when it's off, so I decided the best thing was to just unplug it when I don't need to run it. However, I've noticed...

Hello, I was thinking about upgrading the fan on my refrigerator. I have the Joytutus 26qt chest fridge. I took the side panel off that houses all of the mechanicals, and the condenser fan is literally just a 12V 90mm computer case fan. They make many higher flow fans. Obviously a higher flow...

Ok, a year later and I'm still often disappointed by the amount of solar power I get. How about this question... Does a rigid panel output more power in the real world than a flexible one? What doesn't make sense to me is that I have read that rigid panels are more efficient than flexible ones...

DC motors don't have any inherent operating frequency. Normally DC power is just one continuous feed of power, no frequency at all. What the PWM controller does is cycles that power on and off very fast. The more time the controller stays at the "off" state each time it flips the power on and...

Good point. If that becomes an issue, wrapping the controller in foil may help. However, make sure it's some kind of foil backed with something non-conductive since the controller is an exposed circuit board and will definitely short out if wrapped directly in foil.

I was recently camping in some fairly hot weather, and I left my fantastic fan running on low almost all the time to keep the inside of the van at least at the ambient outside temp. Unfortunately even at the lowest of the three speeds, the fan draws around 1 or 1.5 amps, which equates...

Ok just an update if anyone comes across this in the future. I got a small impeller pump, but it was a no go. It was actually pretty hard to get primed, despite it being at the low area of the tank. Even once I got it primed, the flow rate from it was absolutely anemic, despite the fact that it...

Like I said in my original post, it is installed at a level that's at the bottom of my water tank. Wouldn't gravity push water into the pump, eliminating the need for it to be self priming? And I mean, once it's initially primed, it would always be full of water until I drained the whole water...

Nope, water has to run outside of the vehicle. No way around it.

I need a quieter water pump in my van. Part of my water system runs outside of the van, so I have the pump set up to periodically run throughout the night and recirculate water when the temp drops below freezing. But the diaphragm pump I have right now is very loud, and there's no way I can...

Yeah, not a bad idea, but then I wonder about: 1) Would the insulation seal well enough to keep out any fumes from the exhaust? 2) How do you keep the insulation in place and keep it from getting wet from road spray?

I'm going to be helping someone install one of the Chinese diesel heaters that comes as an all in one unit into a van. (The diesel tank and the unit are in one metal enclosure.) Since the unit itself will be raised up off of the floor somewhat, I'm not quite sure what kind of sealant to use to...

NO! You don't want to do anything to promote any possibility of the exhaust and the cabin air mixing. Also be aware that if you're cooling the exhaust too much, you will have added condensation in the exhaust, and you'll need to ensure that is draining properly. It is true that this is a...

NO! One leak in the exhaust pipe and now all of a sudden you have exhaust leaking into your cabin. Also be aware that if you're cooling the exhaust too much, you will have added condensation in the exhaust, and you'll need to ensure that is draining properly. It is true that this is a similar...

This is exactly what I usually do. If I find a place to park and I know I just ran my engine to drive there, then that's when I'll get a shower. I rarely run the engine just to make hot water. And what could be better than actually making use of the engine heat after you park your vehicle vs...