I bought this as an emergency backup power supply that I could actually use for other things too. I have a Honda gas generator but it is large & heavy. I wanted something more portable that I could use indoors. The Delta Max is perfect for that. We normally use a gas generator to power the lights and saw for our butcher shop during deer season. This year I used the Delta Max. It saved us the cost of the gas & powered the shop without any problem. It ran the saw & shop lights for 4 days and only drained down to 45%. I recharged it to be sure we would have enough power for the weekend and then ran it another 2 days but I think we could've run it all week without the recharge. I plugged it in to my truck's AC outlet and it didn't work that way but when I changed to the cigarette outlet it started to recharge. I had a 2 hour drive home and it only gained 9% charge in that time by that method. I was expecting a little more but it is what it is. I have an old home & when I plugged it in to recharge at home, it seemed ok at first but when I checked on it later, I found that it had only charged a little and the outlet was now dead. That outlet was a 15 amp outlet and I believe it was the ecoflow that killed it. I had no problem recharging it in the 20 amp outlets at work and at hunting camp. I then recharged it at home through a power strip with a breaker and plugged that into a 20 amp outlet and it was fine that way. I actually used it to power my portable shop light when I was replacing the 15 amp outlet it fried with a new 20 amp outlet and had the power turned off to that room to do so. I wish it was water resistant so I could feel comfortable taking it on the boat to power our bowfishing lights. It will come in handy however for running a saw and other power tools in remote areas.

I spend a lot of money, and this is definitely one thing that has been one of my favorite purchases seriously. I purchased the delta max not sure if I should get the pro, and the max is amazing I can’t imagine the pro! Used it at a day of the beach for the first time and it performed the entire day, by the end of day still had 60%. Powered Lighting and fans and charged my laptop flawlessly. This thing is literally amazing I can’t believe I went my entire life without one. I will definitely stick with this company years to come.

I purchased the Delta Max 2000, and 2 of the 220w bifacial solar panels for emergency backup power when the electricity goes out. It will keep the refrigerator and deep freezer running so food doesn’t spoil. I charged it with with the home a/c outlet and have not used the solar panels yet. I plugged in the refrigerator and deep freezer and it has plenty of power to keep them running until it can be recharged with the solar panels. I believe this will be perfect though I haven’t tested the solar panels.

I have already used several power stations, I started with GoalZero Yeti 400 products then 400lithium, 500X, 1500X. Then the first version of the Ecoflow Delta came out, which replaced everything due to the fast charging and the integrated charger. The original Delta is not without its flaws but it made me ditch the whole GoalZero system, sorry ... I believe that in the current version of Delta MAX, Ecoflow has solved virtually all the flaws and ills of the original Delta. Ecoflow Delta MAX surpasses competitors' products in practically all respects. Benefits: - large battery capacity at a reasonable weight and price - powerful inverter (you can power most devices) - a refined bypass from the solar charger (when there is a lot of sun, you power the inverter and charge the battery, in competition products you only charge the battery, which is then discharged by the inverter to 90-95% and recharged, destroying the cells) - management of many parameters through the application, e.g. switching outputs, charging speed from the AC network, and many others. - an application that works "online" through Ecoflow servers and offline when you are far from civilization - ECOSYSTEM, the possibility of extension with further compatible accessories, battery packs, smart generator etc. - lots of security Disadvantages: - noise from fans, I do not understand why the device uses such a primitive way of managing the on / off operation of the fans? After all, the speed of the fans can be modulated depending on the temperature of the inverter, solar charger etc. If it could be improved with the firmware, the device would be practically perfect. - due to the conversion from 42V to 12V there are quite large losses in the DC circuit (compared to the competition)

I have only charged and used the unit one time, but it meet my total expectations.

Very well built. Shipping was quick and setup was simple.

Love this new system. So much quicker charging than any other battery I have had.

The product is as advertised and the deal was really Swell

Nice to have this product to go campping in the midle of no whare

Works great! Easy to use and will be great for emergencies.