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May be worth buying one more panel. I have two 200w of similar spec in series and get 350w, I need to install two more for 2s2p which should give the full 500ww and combined 55v VoC. But it never gets below 72F at night so no worries.

Shenzhen Luyuan https://szluyuan.m.en.alibaba.com/ In the Chat - you may need to register - you will meet Amy. Very pleasant and very professional.

That is very true. I use one supplier for batteries who is well known here, Amy Wan of Shenzhen Luyuan. She is a little more expensive than other Alibaba vendors but totally professional with a perfect reputation. She communicates very well and can help your decisions on what you are looking...

I recently moved 4 refrigerators I've owned from family to family like musical chairs. I now use a mini fridge bought 10 years ago which I will give to another family without one when I leave in 3 weeks. It's connected to the Kill-A-Watt since getting it, because why not? It now reads 7.33 KwH...

Surely most of us have four friends who use eBay. That's what friends are for. For me the issue is the shipping to here at $150 each.

With free shipping, it's no issue. Make multiple orders.

I just checked. "Last 1". I tried 4, said enter 1. I applied PRESIDENT20 and the price dropped to $367.

An update. The house is now wired with 6 LEDs, 9w is totally sufficient. 8AM they sent a photo with 30% power remaining. The last post was an estimate and happily I was a little pessimistic on the use. This comes to about 600wh per night. Your idea won't keep your food cold for the night.

You misunderestimated. A few other comments haven't aged well either, including one asking how many lifetimes would it take for a Victron 24v system to pay for itself. The answer is: a couple years. For my extremely limited demand a Phoenix 24/1200 for around $300 has 900w and a long surge to...

JWLV is right on. Update on the Delta 2 I always try the least possible and work up from there. I hooked up my Delta 2 and two 200w panels to power a small tropical house, really only a mini fridge, a phone charger, floor fan and 5 15w LED lights. The lights take 75w, (85w with the losses) the...

One of the reasons I live in three countries on two continents of what US folk call 3rd world. The bigger reasons are the lack of most everything survivalist and gun related. I doubt many would understand. That’s a good thing. The downside is the high cost and lack of availability of quality...

Kinda real world here. I just built a small house in Nicaragua for a small family. They will use my Delta 2 and a couple panels for the time being. I tested it for a week running a generic mini fridge for two weeks, periodically charging it with AC. From 4PM to 9AM it used 60-70% indicated of...

I live in tropical areas so this doesn’t affect me. For a while I had two small independent systems because of a big load a few times a day on a large inefficient inverter and another using a Victron 12/800 to power essentials 24/7. Each had their own battery and panel because of voltage...

Does the BMS on these cheap batteries have bluetooth? If not, at least this is easy enough to get into to upgrade.

The best is to buy a Kill-A-Watt meter to plug the refrigerator for a day to see how much power it uses in 24 hours.Then use the meter to see how much the freezer uses in a day. I have a mini fridge plugged into a Delta 2. I can watch on the app that it uses 60w when running about 20 minutes an...

And we were able to do that at home. Rebuilding bugs put me through college in the early 70s. They really are that simple. It can be done again with modern plug and play modules. In India there is a growing market for basic, simple EVs.

Carbon fuels have their place. That place is second or third string backup, when nothing else is available. And by the year, less is needed. It's only advantage now is 100 years of maturity, like horses had for 2,000 years. Now horses are mainly entertainment, as should be ICE vehicles. There...

I referred to this- "A hybrid vehicle has an internal combustion engine. It runs at least part of the time using the ICE. It has a tailpipe that emits exhaust. If the politicians are calling a hybrid a zero emission vehicle... I don't know what to say. That is just stupid." Not where you live...

For the majority of use in a city, several hybrids with a battery range of 40 miles do just fine using at most a few gallons a month.

Now consider the price change of LFP over the last 5 years. A couple good size lithium deposits recently found in the US, for example. Promising new tech with multiples of energy density. It just gets better.

My experience with Alibaba is to log in, message Amy, and she does the rest. Adding Paypal as an option makes it totally painless now, and always a pleasure chatting with her. If only it weren't for those 50 day waits, then another 20 to get to me from the US.

I would hope people complaining would bother to know the US is the largest petroleum producer in the world. But that would kill all the fun of freaking out about conspiracies.

This might fit your need. Ecoflow River 2 512W Lifepo4 with EPS of 30MS, refurbished for $219. For your modem any inexpensive UPS would suffice as its battery would only be needed for 1 second. https://www.ebay.com/itm/144904729267

Bitcoin mining can do that.

My plan is to charge the Delta 2 with a bigger battery when it arrives. I'm pretty sure a Victron Phoenix 24/375 would be more than enough for my limited needs and waiting for confirmation of your experience. Thank you for the very informative post.

An interesting exchange seen on the EcoFlow Facebook page. The company spokesperson is claiming a 12W self consumption rate.

I'm setting up a small system for my son's house which will have two 300 watt panels. A friend is saying they need to be at an 11º angle equal to our distance north of the equator. Thew house sits facing south southeast and the sun rises from behind the left rear corner of the house in summer...

Is this just one unit, have you tested the other?

I am in Nicaragua, preparing to build a small house powered by a Delta 2, a battery charging it, and panels. I also built a house for a very poor family and preparing another house for another poor family. The problem is the local utility has a one year wait for new electric service. I want to...

Thanks. I modified the PDF and resubmitted.

My new battery is on the way. In 2020 I asked Amy if she could have a battery built and shipped to me as there are very few resources where I live in Nicaragua to build my own. She had a 48v 10KW battery split into two 80lb cases for ease of movement with all test results of the cells for $1800...

Such is our life. I am in Nicaragua where a LFP battery with a name I never heard of costs over $500.

I will probably have to set up a small system for a family in Nicaragua. They have a small 100 sq ft store with a chest freezer and fridge connected to the house and in the house, a flat screen TV and a few LED lights. To keep it as simple and trouble free as possible I think a Phoenix 24/1200...

I don't have DC appliances. I have a mini fridge that according to Kasa smart plug uses 0.4kw a day and an espresso machine that uses up to 1500w 4 to 6 times a day. Without the espresso I could use a Victron Phoenix 24/375. I bought the Delta because 1KW, inverter, complete kit for less than...

Ecoflow has a store on eBay that has their refurbished items at low prices. A week after I ought mine another sale lowered the price to $479.