https://www.youtube.com/watch?v=NnOA75qztkA
2000W continuous, 3000W surge, charges batteries if plugged in, and future solar panel compatibility?!?!?!? It's not cheap, but comes with 2 7.5Ah batteries.
WOW, I think this is what SO many people have been waiting for!!!
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szwoopp, Champion
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I downloaded the manual and searched for "square wave", "sine wave" and "modified sine" and had absolutely zero hits. Can anybody confirm what type of output power waveform this guy delivers? For that price, I would hope it is at least a modified sine wave...
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szwoopp, Champion
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Mentioned in the PTR video and the unit comes with 2 7.5 batteries.
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szwoopp, Champion
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Blue Angel, Champion
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Of course there are large variables here, like the efficiency of the fridge and how often/long the door is opened.
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A smaller or more efficient fridge may only draw 400 watts when running, but mine draws 800.
Blue Angel, Champion
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What size is your fridge? Now that I think about it, I seem to remember seeing energy stickers in new full sized fridges around 600kWh/yr, so about 1600Wh/day if memory serves. That’s four 7.5Ah batteries if just left plugged in and running normally, for a ~28cuft fridge.
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During normal usage on grid power, the compressor motor only runs intermittently...but in a power outage, I only plug it in twice a day, and let the compressor run continuously until it stops (because the fridge/freezer got down to temperature again).
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230 Points
Sorry for my bad english I'm french
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as an anecdote, i ran my medium size kitchen fridge off one configured with 21Ah of batteries (about 1kWh capacity) for 10-12 hours with no problems.
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.

March 1, 2019
Hi Bob, good question! It's a true sine wave. Thank you for your question.
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in this scenario, it's doable to drive downhill, charge up, and come back. it's like if you we're living off-grid within walking distance of a starbucks.
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Blue Angel, Champion
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So with four 7.5 AH batteries, this guy could run at 1,600 watts for about an hour, or 2,000 watts for about 45 minutes.
Now, if you were just running a big TV (300 watts) and a few lights (50 watts if LED), this guy with four 7.5 AH batteries could run them for (approximately) 4 and a half hours.
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Now it's listed at $1197, and they are willing to ship it to me or my store.
At $999 it's tempting. At $1,200, it's a bit "boy I wish I could buy one of those". I wonder if Ego will send out coupons like they did with the Nexus Escape....
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The lawn mowers 7.5 to bare tool pricing
Composite deck $549 / $429
Steel Deck $749 / $499
Kits usually include the batteries at a rather large discount so I would not expect a $600 reduction for the bare tool. But there have been other strange pricing scenerios we could not make sense of . Will have to wait and see.
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szwoopp, Champion
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Blue Angel, Champion
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Blue Angel, not with the Fake News haha jk
Anyways I'm a regular consumer.
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https://www.goalzero.com/shop/portable-power/yeti-1400-lithium-portable-power-station/?gclid=EAIaIQo...
The Yeti has a 1,500 watt (3,000 watt surge) inverter, and 1,428 watt/hour battery built in. (That equates to about 3.5 7.5 AH ego batteries).
So the $1,200 price point seems reasonable, especially for somebody who already has a few extra batteries laying around that could be used to raise the total energy storage of the system.
I expect that with more and more competitors in this market segment, the price of all of these "battery generators" will start to drop over time.
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Two 7.5AH batteries will cost like 500 bucks easily. Then 200 bucks for the casing and wife/bluetooth connection and other stuff.
$1197 seems pretty reasonable.
Still a luxury buy
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szwoopp, Champion
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Plus I suspect from the wiring on the charger, that they left it open for future solar expansion. Also a guestimation, but a very probable one.
I ran my shop vac on it, my big 16 gallon shop vac. It worked great
This is the most innovative tool ego has produced. With a power quality second to none. I'm blown away by it.
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I even cut 1.5" oak on my table saw being powered by this.
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Otherwise I'm going to lower the profile and modify the deck to make it shorter and more compact.
After all of this time, I'm still using the original 4 ah battery I got when ego first came out. It's probably 75% capacity. Probably over 800 cycles on it. Maybe more
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Blue Angel, Champion
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I could see though if you have some indoor needs for power (like a short-term power hit or work at an indoor construction site) where the EGO power station would come in handy. Now, if the power station non-kit (no batteries) is set at a reasonable price...I could see where I could justify this as not only a power station but also as a charging station for my batteries.
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for $1200 with 2 x 7.5AH battery, now this power station seems a pretty good deal to me.
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Got any pics of your creation?
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Pretty nice setup. Now pictures or it's not true
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So add another 7.5 AH @ 56V battery (400-420 watt hour) at another $350 to get the Ego Power Station up to the same capacity.
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Granted runtime of 100ah vs 20 is alot, but like you said, it's more like 50 vs 20. Which is still a big difference.
I have pulled 100 amps momentarily from four 5ah batteries without issue. Going up hill through some 2' tall grass. At 6mph
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It’s more expensive than a typical lead acid battery, but it’s darn impressive.
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Here is the picture of my diy build.
Goal is to provide backup power to import house appliance.
Whole thing is on wheels so it can be pushed around easily.
I currently only have 3 100W panel installed. On sunny day, it can easily generate over 200W electricity.
2x100AH batters 2x$200=$400
3000Watt inverter $400
40A mppt charge controler plus MT50 $300
4x100w panel $400
cables (those 1/0 awg cables are expensive) , connector $200
So all together well over $1500
To prolong batter life, if I only use 20% capacity, I only get about 40AH * 12=480wh capacity.
For the ego power generator
You have really good 2000w pure sine wave inverted easily worth over $400
2x7.5ah battery easily worth over $500
You got 2*7.5*56=840wh. There are even more available capacity considering lithium has no issue with depleting to 10%.
So with these calculations, the $1200 ego power station really make sense.
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Fingers crossed!!!
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Maybe I'm mistaken, but I thought that the external power block would convert 120V AC into a lower voltage DC current to power the charger in the Power Station. I was wondering if they were using a lower DC voltage (like 12 or 24 volts) and stepping it up inside the power station to charge, or if the power brick was outputting a 60-70 volt DC which would make the internal charger electronics easier.
A 12 or 24 volt DC input would make plugging in a solar panel very easy....and 60-70 volt DC input would require a lot of panels in series.
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So 170W is awfully slow to charge 4 batteries.
It is faster just use the quick charger to charge the battery and use the power station to supply power.
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Compare this to the Yeti Goal zero (1440 watt hour model) which takes 25 hours to fully charge with their (60 watt, 5A at 12 volt!) wall charger. (It can actually charge faster using solar panels (360 watts max input).) I assume if you cobbled together a 12 volt 360 watt power adapter you could charge the Yeti in 4.5 hours from a wall outlet...)
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EGO Support Team.

March 1, 2019
Hi Tbird, yes it can. To fully charge two 7.5Ah batteries you are looking at 8-10 hours. Thank you for your question.
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Blue Angel, Champion
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I guess they could use the temperature thermistor to regulate charge current based on how hot the battery gets, but I don’t know how robust that approach would be.
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170W x13hours=2210 WH
4x7.5X56=1680wh
Efficiency 1680/2210=76%
Quick 550 Charger according to home depot
- Charges in the 2.0 Ah battery in 25-minutes and the 4.0 Ah battery in 30-minutes
550W X 0.5Hour=275wh
4*56=224wh
Efficiency 224/275=81%
Seems like the quick charger is a little bit more efficient.
Blue Angel, Champion
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If you use a Kill-a-watt or similar meter you can see the cumulative watt-hours and use that for comparison.
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Hahaha, I couldn’t even type that with a straight face!
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Blue Angel, Champion
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180,008 Points
I hang mine upside down from the ceiling in winter, but I use a bike hanging system.
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Oregon Mike, Champion
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Oregon Mike, Champion
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In the winter it all gets squirreled away in the basement crawlspace.
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Also at Lowe's today they had the gladiator panes on clearance for 27 bucks each. Get over to one and see if they are being cleared out for you too
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szwoopp, Champion
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Thanks.
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Oregon Mike, Champion
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Bare tool price does seem pretty good though.
Thanks Erik.
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Blue Angel, Champion
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szwoopp, Champion
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You have to chose how it is to be used and manually change to the other when wanted / needed.
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Also, do the batteries emit any gas, and therefore unsafe to leave it indoors?
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82 Points
Anyone else seeing this behavior?
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Thanks.
szwoopp, Champion
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