Another Portable 3000 Watt 48v DIY portable solar generator handtruck -CUSTOMIZED! (Part 1)

Couple things. I decided not to install the PV input but its a minor detail. I am a Condo dweller and they dont allow for panels, so no need. This is used as backup only and its changed from the mains.

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Part 2 has been added due to a request of more detail of wiring the accessory panel. See it here:
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I don't believe anything was ommited that isn't covered in the products installation guides that come with the products but if you have a question about the products or how they work, shoot a message in the comments.

Products used:

Signature Solar:

EG4 LifePower4 Lithium Battery | 48V 100AH

EG4 3kW Off-Grid Inverter | 3000EHV-48

Both on sale at the time of this posting to YouTube.

Amazon:

Harbor Freight:
Self-Adhesive Rubber Safety Mat with Tread Surface

HAUL-MASTER 500 lb. Capacity, 1 in. x 15 ft. Ratcheting Tie Downs

STOREHOUSE Stainless Steel Screw and Nut Set, 96 Piece

FRANKLIN 600 lb. Capacity Hand Truck
This one is important. The 700 lb version at HF is actually shorter than this one.

[WDMurphy]

12:46 cable on the AC out, the neutral AC out (white "neutral" Black cord) looks sliced and could cause a short later.
I built one on a tool cart for two batteries.

[jasonbroom]

Build two of these systems. Take both of them to an off-grid cabin, wired with a conventional 240 volt service panel. At the cabin, have a beefy set of bus bars with a 175-amp Anderson plug connected to it. Connect the two portable power stations to create a split-phase output that plugs into the 175-amp plug. That would be interesting to see.

[d.pollard]

Thank you for the video. I have this build and wanted to finish it off with the 12 volt options and now I see how to place it all together. Used your links on Amazon to show my appreciation, cheers.

[tubular]

This is super cool!! Best one I have seen!

[austincarroll]

Great setup. Watched this and the second video you made for it. Thank you for the ideas!

[sour_grapes]

Awesome build! Might I recommend, a locking brace in back to keep dolly upright and a headrest with a tv lol

[subukai]

I am getting ready to build mine and getting ideas. I like your distribution board for the 12 volt DC to DC converter with that Niligiht control panel. The usb-c with PD power and that light makes a lot of sense. If you want to charge /power USB stuff without turning on the inverter appeals to me. Thanks for sharing your build.

[vevenaneathna]

building something similar for a lot less based on 20mm surplus ammo cans. 8x 280ah lifepo4 cells fit perfectly inside (8kwh) and cost about 40$/kwh (380$ for a fireresistant steel enclosure with lifting handles, ~95lbs). skip the bms, go with 2x 4s inductive active balance boards for 3 bucks each. instead of using the pricey us spec 48v inverters, use EU spec single phase 24 to 240v, 3kw inverter, theyre around 200 usd shipped and your car wont care. wire the AC input to the inverter into a 25$ j1772 to ebike plug with its nema end cut off.
8kwh ev range extender that can push 3kw for 600usd. switch out the eu spec inverter for a 24v to 120v if you want a portable power station. a 3kw 120v inverter is about double the cost of a 240v single phase eu spec one.

[webmastercaribou]

I would never shorten the battery cables, just coil them. If you ever need to use other or larger batteries, you could easily disconnect and reach them. Unless the battery has additional lugs to attach to.

[septenaryshrub]

Please fix the cut insulation on the neutral @13:34

[d.pollard]

Can you do a short on how you put it all together wire wise on the back? Not to good in that department. Thanks

[t.d.harris]

Nice build, well thought out, I'm saving up to get mine started.

[goodcitizen]

Cool. Maybe put the board with switches on the top and the EG4 lower. Some prefer XT60 for the dc connectors.

[alfayellow]

Hi, great build, I’m doing something similar as per Will Prowse. I am a little confused about the extra 120V cable you have hooked up to the AC out. You called it a charging extension I believe? What is the purpose of this, since the AC in is what will charge the battery on AC. Am I missing something?

[ronhawkins]

I love this and would probably do the same but I'm unwilling to put up that many solar panels to meet the PV voltage requirements. Wish it allowed <120v so I could use my little 300w of solar to augment running a generator occasionally. I'm not trying to run off grid, only planning on those just-in-case scenarios to keep freezers cold and Internet. I enjoyed watching you build this!

[TeamGeorgeTN]

I'm in the process of building this, but have run into a problem, that I was hoping to see in your video.
When I plug in the AC cable to charge the battery, the GFCI I plug it into trips.
Have you had this issue?

[cmgtafan]

I'm clueless to 48v stuff and was just wondering what you can run with that strip you mounted on the top. ( laptop, coffee maker, air fryer, induction cook top.... etc ). Hope it's not too stupid of a question. Love the set up.

[kibaamadeus]

Loved the video. Could you do what no one else has done het and sqeeze another battery on there?

[bradseward]

Nice build and thorough video.
I would have been tempted to use the male end of the 10/3 cord (probably with a 30A plug on it - see below) you used for inverter out power for the AC power in.

If memory serves, that EG4 is capable of 60A DC for charging your 48V battery. That's approximately 3000W which would be about 25A @ 120V AC and you'd need a 30A circuit and appropriate plug/extension wouldn't you?

Let me know what you think.

[shelley]

Just finished mine, minus the hooks and floor mat. Used the EG4 LL battery instead.