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Proper installation is key for any method. I agree that CIGS/flexible solar panels are both more tolerant to improper installation AND due to their lighter weight a smaller risk to others in a total failure. However, in the video shared we can determine that the issue was not the corner mounts...

Ha, after all this i just found out that the 2020 express cutaways come with a 150amp alternator standard. That's still not enough for fast charging, but a small charger shouldn't be too much issue. I'll have to use a clamp meter and do some testing to confirm, especially since I'm planning to...

There's some really interesting arguments made by GaryBIS (https://www.buildagreenrv.com/mpg-penalty-for-roof-racks-on-camper-vans/) on the Ram promaster forums that more solar isn't always the answer from both a cost and environmental impacts standpoint. Roof racks and solar panels on the roof...

Anyone have thoughts on buying a Chins battery from Amazon in order to cannibalize the cells? The 100Ah is on sale for $360, that's basically aliexpress prices for a DIY battery (with a BMS) without the shipping delay hassle or the time cost of building a DIY (admittedly a small time investment...

Apologies for the long post... Over the last five days I’ve been comparing the wave 2 and its standard modes (no modifications) against a 5000 btu Toshiba window unit that I had out in my garage. All tests were started at ~4pm and ran for one hour to try and get similar sun loadings across...

Maybe a stupid question, but as long as the MPPT of the solar generator can handle input down to 12v it should be as simple as wiring up a 12v LiFePO4 with the appropriate connector and plugging it in to the solar generator, right? The MPPT should handle the power draw from the 12v battery and...

If anyone finds this thread in the future... I just got back from a music festival (Electric Forest) where I got to try my final setup out... I bought a refurbished ecoflow delta mini on walmart for $620, then paired that with the 1280wh zooms that I built into a standard battery box. The...

I'm seeing a max difference of 7.7% run to run, but his four runs per "design" should hopefully mitigate some of the randomness. You're right though, it's not a perfect test which would be nearly impossible to conduct. Do you have a source on that ford transit epa data? As a commercial vehicle...

Love the design! I can tell some thought went into it.

This isn't specifically for the solar portion of the system, but this seems the best place to discuss fire safety of electrical enclosures in vehicle mounted systems. I'm starting to plan out how I want to design my electrical enclosure to be as fire safe as possible and it's led me down a ton...

Does anyone have a list (or link to a list) of the many solar suppliers across the US? I'm trying to find one local to Northeast Ohio (Cleveland area) to do an in person pickup of a small order of 4-6 panels to save on shipping costs. Most of the companies shilled on Youtube (Santan Solar...

Well, I screwed up. I was looking for an LFP to start a conversion and stumbled upon this Amazon listing for a 220Ah 24v LiFePO4 https://www.amazon.com/FOIIOE-24V-VESTWOODS-Bluetooth-Replacement/dp/B0BY295N5Y/. Amazon listing claims it's a LiFePo4, can handle 4500+ cycles, has bluetooth for...

I'm not aware of any fire suppression system that is feasible to implement in a mobile application that can put out a runaway lithium battery failure, do they exist?

Yeah, I'm not trying to get the max power out of alternator or really do any ridiculous levels of charging though. 250-500w just to supplement solar. What's grinding my gears is there doesn't seem to be any reasonable cost commercial options on the market that do what I feel should be a...

FYI, I did buy this battery and the reason it's so cheap is because it's NOT a LiFePO4. The cells are NMC. See more info in my post here: https://diysolarforum.com/threads/vestwoods-24v-220ah-lithium-ion-buyer-beware-nmc-battery-questions.66663/

The submittal data for the Fujitsu has a cooling range of 3100-12000 BTU and an input power of 110-850kW. That works out to a COP range of 28.2-14.12. You're right though, the rated power is exactly 500W for the 9k BTU nameplate.

Wait, how did you plug grid power into the Bluetti? Did you make your own DIY cable? Grid should have three conductors and all the AC200P inputs are dual conductor afaik? There's a power supply that plugs into mains but the output is an XT90 which has two conductors.

Anyone have a recommendation for the most compact 1000W continuous inverter out there? There's this no-name brand that's significantly smaller than any other inverter I've found... approximately 100 in^3 and 3lbs. It doesn't inspire confidence that almost all of the reviews were in exchange for...

FWIW, fans take tiny amounts of power... These 40mm fans only draw 1.2W at max speed. Not negligible but likely not the largest source of idle draw in the whole system. https://smile.amazon.com/dp/B0757LXKST/

This is the key to your question OP... since you're such a light user I'd honestly just use the standard charging profiles and forget about it. You could try and tune your battery to increase longevity, but when people talk about number of cycles in a battery the end result isn't a dead battery...

I've decided on targeting 20-90% which should be 28.5v on the charging side, and 24.8-24.9v for the cut-off voltage.

2020 express 3500 cutaway, with the 6.0L Vortec V8.

Well, I bought mine direct from Vestwoods for the lower price. There's no false advertising on their own website though, NMC is just referring to the cathode portion of the battery, the lithium makes the anode. The full chemical name would be LiNiMnCoO2 like we say LiFePO4. There's also only one...

There's not really (much) false advertising , NMC is just referring to the cathode portion of the battery, the lithium makes the anode. The full chemical name would be LiNiMnCoO2 like we say LiFePO4.

To cut down on the space it needs. You can make the battery about a third smaller by getting rid of the inserts. This is from the zooms review but they're the same build:

The 70a version accepts 24v as the input and outputs 12v so wouldn't work in my case. It'd be a good option for powering 12v devices from the 24v house battery though. What happened with your 12 to 48v buck boost? I thought those devices were pretty much indestructible. Was it the sealed...

If you're going to swap out the BMS, unless you already have one I think it's better to order from Aliexpress. That'll add another $100 or so to the cost and you can get more capacity from China for the same price (at the expense of shipping time). You could also add your own heater to the...

This is a good point. The vehicle has a 150w AC receptacle in the cab, so I'm assuming there's at least 200w of headroom. It's also a cutaway model and there's an unused 30a fuse in the auxiliary fuse block in the cab. That should mean there's at least 25a and 300w of headroom otherwise it...

@justinm001 is correct. Lithium batteries will pull as much current as they're able at a given voltage. For CC/CV power supplies you start at a lower voltage than the set-point because you're current limited. As the internal resistance resistance rises, the voltage increases until you hit your...

Has anyone purchased a Fivsta Sola panel from Amazon and have experience with them? Looks like they're a relatively new brand on Amazon and they have some interesting panel sizes (squarish, as well as long/skinny) compared to others, as well as bifacial options. The 200w squarish bifacial is...