Reddit reviews Jackery Portable Power Station Explorer 160, 167Wh Lithium Battery Solar Generator (Solar Panel Optional) Backup Power Supply with 110V/100W(Peak 150W) AC Outlet for Outdoors Camping Fishing Emergency

If you're scared of wiring, the Jakery pre-built units are pretty cheap. Just add an MC4 adapter and panel.

https://www.amazon.com/Jackery-Portable-Generator-Explorer-Emergency/dp/B07FYJVFNK/ref=sr_1_5?gclid=CjwKCAjw6vvoBRBtEiwAZq-T1eH_-t8OOG0mpP22xLRBrosaAq6Pq2vi7MlPakJrqS2-6i0-D21rPBoCQMcQAvD_BwE&hvadid=241656681350&hvdev=c&hvlocphy=9030954&hvnetw=g&hvpos=1t1&hvqmt=e&hvrand=12357595626479094391&hvtargid=aud-647006051489%3Akwd-61772730782&hydadcr=26611_9892148&keywords=jackery&qid=1562386673&s=gateway&sr=8-5

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I prefer building my own but I know some people are worried about electrical

Usually they'll have one of those small honda generators. They're really quiet. You're not supposed to have generators in GA, IIRC, but lol rules. They're hot items for theft too, so be careful.

Alternatively, I've seen people use the power packs like for car emergencies that have the regular plug outlets. They'll die pretty quickly with continuous use, so sometimes people bring a fee, but they're easily $100 each(example: https://www.amazon.com/dp/B07FYJVFNK/ref=cm_sw_r_cp_apa_i_LemSCb8F83D33) . They take forever to recharge, so it's not likely you'll be able to do it at the park. Or you can get this beast: https://www.amazon.com/dp/B0196GQAKM/ref=cm_sw_r_cp_apa_i_1bmSCbK96YA6M

The real LPT is engineering a deep cycle battery into a custom made box. Like this: https://www.arkportablepower.com/blogs/news/48712645-cool-diy-battery-box-on-reddit

Most these crews have this stuff laying around from hunting/camping/fishing/etc. So the investment curve is steep for strictly festivals.

I found this one https://smile.amazon.com/gp/product/B07FYJVFNK that uses ~40% of the battery life a night (personal test) for my ResMed Mini. I'll have a solar panel with me to recharge it though. It sounds like the people at the medical tent are super helpful so I'm also toying with the idea of seeing if they'll let me drop it off for a recharge from a 110v outlet.

OP could also use the Viltrox with an AC adapter to run on a power bank with an AC outlet like this one. The 24,000 mAh one would probably run a Viltrox for 10 hours, and the 40,200 mAh version would almost certainly well exceed that.

EDIT: Based on reviews, this one would probably be better.

This might suit your needs. Portable Power Station Explorer 160, 167Wh Solar Generator Lithium Battery Backup Power Supply with 110V/100W(Peak 150W) AC Inverter Outlet. Charge it up while driving.

There won’t be anything off the shelf designed for the Pak Dock that will do this, but it’s likely a 12v or 24v device so powering it from a battery pack shouldn’t be a huge deal.

Look at the power adapter to find the required wattage / amperage first. It should be clearly labeled as to what it’s output is - then you’re basically just looking for a battery pack(s) that will keep it running during offloads.

Beyond that it’s just doing some research on the correct size cable. Likely a 5.5mm barrel on the reader side, and whatever the battery pack wants on the other side.

There are a variety of lithium ion battery packs on the market now so you just need to find one that pushes the correct wattage & amperage - and with adequate amp hours to run as long as you need.

If the amperage is low enough, you could probably power it with one of those li-on battery packs for charging cell phones - 5.5mm barrel plug on one side and USB A on the other side. (Just one possible option - do your research).

There is also the nuclear option, which would be something like this that can give you AC power on the go. That’s be overkill for just your dock, but it could also keep your laptop battery topped off so there’s that.

just get this: https://www.amazon.com/gp/product/B07FYJVFNK/ref=ox_sc_saved_title_2?smid=AZF6YB7UVA7OU&psc=1

A solar powerbank with the panels that you can buy a rifle of some sort. Wool blanket, felling axe and hand saw or electric chainsaw you might need a slightly more expensive powerbank to run something like that tho. Uhhhhh what else. Hell a tv and one of those antennas if you want you got that powerbank. Electric skateboard or electric foldable bike to get to places when youre stranded. One of those SAT packs that go on your phone to allow you to text if you can see the sky.......laser pointers are cool stronger the better just dont blind anyone or yourself or mess with it and cause it to explode in your hand or while charging.........space blankets those are not only good emergency blankets but heat reflectors as well. Have a little stainless steel pot with the little compact butane stove and what not and maybe even something like a smokeless gotham grill if you need to cook something and dont want the smoke to be seen........thermal blankets also hide you from thermal cameras on helicopters and what not if you completely cover yourself. A good compass with a mirror. 3 different fire sources, handful of bic lighters, triple arc rechargable plasma lighter the double arcs are useless for anything besides lighting cigarettes......storm proof matches and a ferro rod. A really good knife thats one thing you really shouldnt be cheap with IMO. Fishing poles and gear...... plenty of chunky soup high protein and peanut butter(lasts really long time iydk” MREs arnt bad mountain house is good. Not many people are but I am a huge fan of freeze dried ice cream. Also I have a lot of almonds and beef jerkey and what not. Oh yea and a pellet rifle 22. Ca spend about 200us that will bag you a lot of small game which would make up a big portion of your diet if it came to that. A recurve bow with all the accouterments would be smart. Seeds lots of seeds I have a lot of somniferum seeds in addition to everything else. Alcohol, def be that guy that has a bottle of whiskey or something around a fire when everyones trying to adjust to all the chaos(drink responsibly) Silver and gold is smart but I wouldnt count too much on it should some biblical calamity happen. Personally I have trinkets, talismans if you will, sterling silver, semi precious stones, small diamonds things like that. Also things like Chick fila bbq sauce and the like will also probably be valuable after not too long but again thats real disaster stuff......hmmm I wouldnt mind having a metal detector and some of these items I suggested should be taken with a grain of salt and obviously you’re going to have to pick and choose but Im just tryna throw some bones here. Maybe a few books, first aid stuff? More morale items? Portable shower, toilet paper, Benadryl, Tylenol, board games, cards? Coffee, tea? Bluetooth mp3 player?

You can buy Portable Solar Generator With Solar Panel and use that on your car/camp

Jackery Portable Power Station Explorer 160, 167Wh Solar Generator Lithium Battery Backup Power Supply with 110V/100W(Peak 150W) AC Inverter Outlet for Outdoors Camping Fishing Emergency

https://www.amazon.com/Jackery-Portable-Generator-Explorer-Emergency/dp/B07FYJVFNK

Price $139.99

Jackery Explorer 50W Solar Panel for Explorer 240 and Explorer 160 as Portable Solar Generator, Portable Foldable Solar Charger USB C Output for Summer Vacation Camping

https://www.amazon.com/Jackery-Explorer-Portable-Generator-Foldable/dp/B07D2CD4H6

Price $199.99

Zoom H6 or buy a portable battery https://www.amazon.com/Jackery-Portable-Generator-Explorer-Emergency/dp/B07FYJVFNK/ref=asc_df_B07FYJVFNK/?tag=hyprod-20&linkCode=df0&hvadid=312202698398&hvpos=1o2&hvnetw=g&hvrand=2330893761343085169&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9004352&hvtargid=pla-568502590062&psc=1