EF ECOFLOW Portable Power Station Delta 2, 1024Wh LiFePO4 (L…

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Product Description

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…, 4.5, Reviewer: YuenX
Rating: 5.0 out of 5 stars
Title: Really fast charging, but also really loud fan (for up to 60 mins). Excellent engineering otherwise
Review: EcoFlow announced the Delta 2 power station at IFA Berlin 2022 with the tagline of: “Not Just a Battery.” It was available for purchase on September 16, 2022. After their excellent Delta Pro we reviewed not too long ago for our vacation home, we were very intrigued by what this new product could do, and how it would compare against Goal Zero and Jackery.The Delta 2’s 1,024Wh battery capacity — how long something can run for — and price point puts it right in direct competition with the identically priced Goal Zero Yeti 1000x and Yeti 1000 Core, Jackery Explorer 1000, and its own predecessor, the EcoFlow Delta 1000 — but with one major change. Instead of using Nickel Manganese Cobalt (NMC), the Delta 2 now uses Lithium Iron Phosphate (LiFePO4) like its more powerful Delta Pro sibling. There are significant differences between both Lithium-ion (Li-ion) battery chemistries that I will detail later.How much energy a battery can store is measured in Wh (Watt-hours), and how much power is used or produced in W (Watts).Goal Zero launched the Yeti 1000 Core power station on July 16, 2021, five weeks after the flagship Yeti 1000x was available for purchase, and the Delta 2 packs more powerful features with its announcement a year later:- LiFePO4 battery chemistry (Pros and Cons to that over NMC)- 1,200W AC charging input– Rapid-charging from 0 to 80% in an unheard of 50 minutes — a claim I personally verified to be accurate— Test #2: 36% to 88% in 32 minutes (4:34pm to 5:06pm)– Fans were VERY loud during that time and significantly got more quiet around the 90% charged mark— If fan noise is important to you because of a tight sleeping quarter, be mindful of that. On the other hand, it would only take 50 minutes to go from 0 to 80% charge. So, charge before you go to sleep.FAN TOO LOUD?You can lower the charging speed from 1200w to 600w via the app, and the fan won’t be as loud.- 500W solar charging input (11-60V @ 15A)- Whopping 15 outlets– AC output at a Continuous 1,800W and Peak of 2,700W– X-Boost output at 2,200W– USB-C at 100W- Mobile app control via WiFi or Bluetooth- Near-instant auto-switching between AC and battery power– Makes it suitable for use as a Standby Power Supply (SPS) during a blackout- Expansion options– Battery capacity expansion to a total of 2,048Wh or 3,040Wh with the Delta 2 Extra Battery (+1,024Wh) or Delta Max Extra Battery (+2,016Wh), respectively— Only the Goal Zero Yeti 1000x (983Wh) has expansion capabilities in this 1,000Wh-battery roundup to a total of 5,783Wh (938Wh + four 1,200Wh Yeti Tanks)– Connectivity with solar panels, the EcoFlow Wave portable air conditioner, and EcoFlow Smart Generator- 5-year warrantyEcoFlow, Goal Zero, and Jackery power stations can be used while simultaneously charging themselves.Sweet Spot: The 1000Wh battery capacity hits the sweet spot for many consumers, including this author, who are looking for the right balance of power and portability. But when it comes to home integration, the more Watt-hours a battery ecosystem offers, the longer one can power a home for during a blackout.PAIRING WITH EXTRA BATTERYI paired the Delta 2 Extra Battery (EB) with this Delta 2 power station. I was happy to see that chaining the EB to the Delta 2 and charging it from the AC wall produced about 1100W of input. This fully charged the EB in about an hour. Without the AC wall, it sipped only about 54W directly from the Delta 2 — this would charge an empty EB from 0 to 100% in 19 hours.When plugged in to the AC wall, the Delta 2’s fans were very loud just like when it charged standalone at 1100-1200W input. Once the Extra Battery was at around 90%, charging dropped to roughly 700W and the Delta 2’s fans lowered manageably quieter.Note: Delta 2 Extra Battery cannot be independently charged. It must be connected to the Delta 2.BATTERY TECHNOLOGYThere has been a lot of debate on whether Nickel Manganese Cobalt (NMC) or Lithium Iron Phosphate (LiFePO4) is better. Both are Lithium-ion batteries. Goal Zero, Jackery, and most of today’s power station manufacturers use NMC, but why do EcoFlow and Bluetti use LiFePO4 when they are bulkier and heavier? They hold some important advantages over NMC:- Safer, less volatile, and thus cheaper to manufacture- Charge cycle: 1500-2000 (10+ years)– NMC: 20-25% capacity loss after every 500 cycle (6-10 years for up to 2000 cycles, after which capacity is vastly diminished)– EcoFlow claims 3500 cycles before dropping to 80% of original capacity and 6500 to 50%. Those are some VERY optimistic projections that I do not think are accurate in actual usage- Usable in more extreme temperatures (-4F/-20C to 176F/80C). NMC: only 140F/60C max– Check with manufacturer for your battery to be sure- Holds 350-day charge. NMC: 300LiFePO4 batteries are less volatile (safer), more usable in extreme temperatures, and have a higher charge cycle count (battery lifetime) than NMC.CAUTION: Lithium-ion batteries do NOT like to remain discharged at 0% for prolonged periods of time. If you let your battery stay at 0% for too long, you may not be able to charge it again without specialized equipment.CONTINUOUS VS PEAK OUTPUTIt is important to understand the difference between Watts and Watt-Hours. How much power is used or produced is measured in Watts, and how much energy a battery can store is calculated in Watt-Hours. See the “Calculations” section below for more details.How much energy a battery can store is measured in Wh (Watt-hours), and how much power is used or produced in W (Watts).- AC Inverter: Converts battery (DC) power into AC– Delta 2 provides 1,800W continuous output with a 2,700W peak- Peak/Surge (Starting): Nearly every device initially draws extra power to turn on. The highest amount it pulls is the Peak. As long as that number is below 2,700W, it can be STARTED. Examples…– Turns on OK (PEAK under 2,700W):— Freezer starts at 400W (peak), runs at 150W once on– Will NOT turn on (PEAK over 2,700W):— Home AC starts at 4,000W (peak), runs at 1,000W once onMost devices power on at a higher (Peak) wattage than when they are already on (Continuous). Therefore, if its peak exceeds the power station’s max, it may not be able to start- Continuous Output (Running): Once devices are on, as long as they keep drawing less than 1,200W total, they will stay ON until the battery runs out– CONTINUES running (under 1,800W)— 100W TV + 60W laptop = 160W– COULD STOP running (over 1,800W)— Temporary overdrawing beyond 1,800W for a few seconds is okay. A quality BMS will protectively shut down the battery if the surge does not end after a while. Regularly going over for a prolonged time can ruin the battery in the long run— 1,000W machine (2,100W peak) + 300W appliance (500W peak) + 700W appliance (900W peak) = 2,000W. Probably will stay on for a short period—- Add 1,000W mower (1,400W peak) = 2,300W. Battery will definitely shut downCALCULATIONSThe below calculations are rough ESTIMATES as conditions, battery quality, and age can vary. [SORRY: I had to shorten my original review by a LOT (including many calculations) so it could fit here on Amazon.]Time to Charge This 1,024Wh Power Station- Calc: Hours to charge battery = Battery capacity (Wh) / Input Wattage– As battery approaches 75% full, the input charge will increasingly be slowed down to prevent overcharging- AC Wall: 1180W @ 52 mins [1024 Wh / 1180W]- 12V Car Charger– 120W @ 8.6 hrs (at 10A, if car supports it)Charge Time with Solar- Calc: Hours to charge battery = Battery capacity (Wh) / (Panel Wattage x [0.5 or 0.75])– In a perfect lab, solar panels charge at the listed wattage– Expect to only receive 50-75% on a good, sunny day (ie. 75W – 113W for a 150W panel), depending on panel’s age, component quality, and weather- 200W solar panel: as fast as 6.9 hours [1024Wh / (200W x 0.75)]- Underproduction: If a panel is not making enough, adding extra ones can generate a higher, combined output- Overproduction: If the panels make more than the maximum the power station charge port can take, only the max will go throughWatts Used/Produced by a Device- Calc: Watts used or produced by device = Voltage x Amperage- Vacuum with 120V @ 9.5A uses 1,140W- Solar panel with 12V @ 10A can produce up to 120WIdeal Battery Power Station Size- Calc: Battery capacity (Wh) = Watts used by device x Hours needed for / 0.85– 10-15% of power is lost during power conversion- 45W car fridge needed for 8 hours: Minimum 424Wh power station (45W x 8 / 0.85)FINAL THOUGHTSEcoFlow thoroughly impressed us with their Delta Pro power station and quickly added the company to our list of recommended battery providers. Their newest Delta 2, now a LiFePO4 product, further surprised us with 1,200W rapid-charging that took the battery from 0 to 80% in a whopping 50 minutes! Had we not seen that in person, we would have dismissed it as a marketing gimmick, but we were proven wrong. Add to that the ability to have its capacity and features expanded with additional products, and the Delta 2 makes for a VERY compelling choice against Goal Zero’s own Yeti 1000x that is starting to show its age. Jackery, on the other hand, is extremely difficult to recommend against the Delta 2, except that they have excellent customer service and consumer-friendly policies.

Reviewer: Andrew Smith
Rating: 5.0 out of 5 stars
Title: Works great, excellent design
Review: I was pleasantly surprised by this product. I bought the Delta 2 + 220W solar panel combo, and they both work great. I tested the generator with various appliances, and it can power most of them just fine. However, the battery life may not last super long with certain appliances (my fridge could only be powered for around 6-7 hours from a full charge).I also tested the various charging methods (AC, solar panel, and car charging). AC is the fastest by far, though of course this may be unavailable during a power outage. As for solar, with one 220W solar panel under optimal conditions, it was looking like the battery could be fully charged in around six hours. A second 220W panel could half this charging time, so I may get another at some point. Finally, the car charger was the least effective charging method of the three, especially considering you’d have to leave the engine running to prevent the battery from draining. However, I guess it could be somewhat useful on a road trip or when other options aren’t available.The app is well-designed and allows easy control of the device via WiFi or Bluetooth. It also provides options to automate your Delta 2 based on various conditions, although I didn’t personally experiment with these.Overall, I am very satisfied with the product and would highly recommend it. While it certainly won’t keep your whole home powered during an outage, it would be perfect for camping or powering essential appliances and devices.

Reviewer: WESIII
Rating: 5.0 out of 5 stars
Title: Keep in mind…
Review: UPDATE: performs very well buy one interesting thing it will absolutely because it’s done it twice now shut off when using the DC cig plug when set to 12 hours before 12 hours. Done it twice now. I now have it set to “never” turn off and am testing it. So if you have frozen food and are worried about waking up to thawed food invest in a Bluetooth temp alert and not a Govee. I’m using those for now and their alerts are only in the app. Their tech support runs me around never giving me an answer as to why it does this which makes me think they know about it!First off I love this thing. I’m a big fan of EcoFlow. I have been using a River 2 Max almost daily since 2021 and love it so naturally when I wanted something bigger i knew I wanted EcoFlow. The delta 2 IMO is the perfect size. Any larger and I wouldn’t call it portable. It has a great app and plenty of ports and sockets for all your needs.Now about capacity. I saw a review bashing this product for not having its full capacity. No power station can use 100% of its rated capacity. Take whatever the manufacturer says and times it by 80% to get the useable capacity. Some manufacturers can do better say 83%, but they are all close. A Delta 3 is probably better. EcoFlow is always improving. I thought this was known, but apparently it’s not. It’s also why you should buy bigger than you think you’ll need. You really can’t go too big unless you need to carry it all the time. Then bigger of course means heavier. Buy what you can afford and be realistic. For example this Delta 2 can go up to 1800w. Sure but you aren’t using it at that for hours and hours. Try far less than that. Don’t even think you’re plugging in your fridge, a lamp and a your tv and running it on this for a week after a hurricane. Be realistic. Size accordingly.While we are talking hurricane. A gas generator is still best for long term power outages. Pound for pound and dollar for dollar. Sure you can use solar but how does solar work when it’s cloudy and rainy? You know like hurricane weather. How does solar work in the winter when it’s 10 degrees and overcast for two weeks and the power is off? It doesn’t. Days to weeks of power outage it’s best to use a gas generator. Most likely you have a gasoline car. That’s 20 gallons minimum in your tank of reserve ready to go. Siphon it out. Add in some gas cans. Etc etc etc. you get the idea. Usually in a couple days the roads are back and you can go fill gas cans. It will take more days to restore power. To have power reserve with EcoFlow or any battery system for days or weeks requires you to spend thousands and thousands. A gas generator that can keep you going for 2 weeks costs under $400. I know. I have done it several times! In winter.Batteries are nice and convenient, but if the SHTF nothing as of yet beats fossil fuels – gasoline, diesel, propane, natural gas, etc. NOTHING. Now if your SHTF scenario involves total grid down EMP attack then yes invest in solar. Hope it didn’t fry the electronics in your delta 2. I’m not sure it wouldn’t. Anyone test this? Also invest in lots of guns and ammo because people with bigger guns are coming to steal your *hit.

Reviewer: Andrew D.
Rating: 1.0 out of 5 stars
Title:
Review: Lo compré en marzo pero solo funcionó durante una semana y luego comenzó a reiniciarse cada pocos minutos, por lo que ahora no puedes usarlo sin ir y venir y hacer clic en el botón de inicio. Entonces me puse en contacto con el servicio de garantía oficial pero, después de 2 semanas de correos electrónicos con ellos, se negaron a ayudarme y me dijeron que me pusiera en contacto con un vendedor de Amazon para obtener una garantía (lo cual parece sospechoso). Pero el vendedor ya lleva unos días sin responder. Ahora tengo una unidad rota sin soporte alguno.

Reviewer: Gregory H.
Rating: 5.0 out of 5 stars
Title:
Review: A second update has been added to the end of this review.A quick update: The power station sat for a couple of months after the most recent charge. Today I decided to discharge and recharge it. It still showed 100% charge when turned on and ran a small portable room air conditioner for over half an hour. It still had 50% charge and didn’t get even slightly warm. The AC unit draws about 900 watts.This is truly an impressive device!Original review:I have used this power station only for a few days and so far it has proven to be easy to use and it delivers the performance advertised.It is quick to charge, even at a much lower charge rate than maximum. It is not particularly loud when charging.I have tested it by using it to power my CPAP machine. In this application, it is silent. I calculate it would be able to operate the CPAP machine between 4 and 7 nights. My machine heats the humidifier water and the breathing tube. Other machines might do even better if they don’t have these features.We recently experienced a once-every-30-year ice storm and were without electricity for about 4 ½ days. I wish I had this power station during the blackout, but I am quite confident it will serve us well now that we have it.Our freezer just barely kept most if the food safe, but running it for an hour or two once or twice a day would certainly extend that safety margin considerably, and the power station could probably handle that for a day or two and still provide adequate cell phone charging and enough time on the CPAP machine to keep me safe for a few nights.The unit itself was well-packaged. The instructions are clear, and the app fairly simple and useful. The unit itself is not visibly intrusive, it’s quite compact and seems very well made.These days we are almost shamefully dependent on our electric and electronic devices, which are getting very energy efficient. Also this dependency is much more pronounced as we live longer.All in all a great purchase, which I hope never to actually need to use, but I am very sure we will need it sooner or later.Second update: About 14 months after the terrible power outage last year I bought a second Delta 2. The first one has performed perfectly, particularly during a fairly lengthy power outage a couple of months ago.I have been considering how to increase my reserve capacity: Should I get an auxiliary battery or a second power station?The price is about the same, but having 2 complete units seems to be more flexible. I had an opportunity to get a second Delta 2 for about ⅓ off the regular price, so that became my choice.It’s so impressive how the power station pretty much sets itself up once plugged in, the app is opened on my phone and I touch h to the + button to add a new device.This is now my third EcoFlow unit because I bought a River 2 just for my CPAP machine about 6 months ago, and it has kept me safe on quite a few occasions.I feel very confident that we will be able to manage well during any future power interruptions.

Reviewer: L.
Rating: 5.0 out of 5 stars
Title:
Review: Best part is the ease of use. Plug stuff in, push the little ‘AC’ or ‘USB’ on buttons and it just works. This unit keeps us powered remotely for exactly 3 days at a time between recharges – running light power tools (drills, etc.) and all the LED lights in our shipping container, plus charging phones, laptops and tablets. Fast recharge is great. We found it charges 10% per hour with the DC car charger while driving, and it’s probably somewhat helpful for the life of the unit to have it charge slowly like this. Very pleased with it so far.Six month update – this continues to be one incredible power pack. Built an entire off-grid cabin from the ground up (including running the cement mixer) using only it and dual 100w solar panels to charge during the day. Also runs a log splitter like a champ. Only issue we had was recurring shutoffs last week with a blinking fan warning light indicating (apparently – who reads the manual until they have to?) a blocked fan. Blew about a pound of sawdust out of the poor little unit and she was back to working like new. Pro tip: Don’t set this under the table saw while cutting hundreds of 2×6’s! ;)Love the ability to access so much info (state of charge as %, time to charge, wattage draw in-and-out, etc.) via the digital display. We can keep an eye on it minute-by-minute to know when we have to plan a break to recharge and then still have power for overnight camp use.Looking forward to picking up one of the new Ecoflow ‘Ultra’ power packs in future, given how pleased we are with this smaller unit.

Reviewer: Eric
Rating: 4.0 out of 5 stars
Title:
Review: I’ve had a few opportunities to test this solar system out. My wife was working while camping, and will the laptop computer AND the Starlink plugged in, the battery was actually gaining charge from the panels. Mind you, I had to keep moving the panels to face the sun at the best angle, but it was easily doable. The app for the phone makes it super simple to see what the Input and Output are. From 0%, it took the 220 panels about 7 hrs to fully charge the batter to 100%. This was the best price around, better that Costco.

Reviewer: Nikolay
Rating: 5.0 out of 5 stars
Title:
Review: I am a contractor and use some very powerful tools that occasionally trip regular house breakers. This battery handles them all with no sign of strain. I can be on remote locations with no access to power and run my miter saw and compressor all day. It also saves us during power outages as it runs our well pump, lights and fridge for a full day, way longer than it normally takes for the power to get restored. No need to run our loud generators anymore. Most similar products are meant for charging portable electronics or running light loads like TVs and refrigerators. This one will handle anything that has a regular size plug.

, Patio, Lawn & Garden > Generators & Portable Power > Generators, #ECOFLOW #Portable #Power #Station #Delta #1024Wh #LiFePO4 #L..,

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