is the AC output on the Delta 2 Ma pure sine wave or modified sine wave? If you don't know the answer, please do not reply. Thank you.

As far as I know yes, it is pure sine wave.

Can it be connected to a car cigarette light? And if so how long do you think it'll take to reach full charge?

I have a Tesla model y Long range and I have mine connected to the rear 12 volt “cigarette” jack. On my vehicle it puts 111 watts of power into the ecoflow so the answer to how long, depends on how much do you need. If you used up 1000 watts hours or about 1/2 it would take about 10 hours to refill it. The amount of energy will vary for each type of vehicle but the eco flow will tell you how much and how long to charge in those particular conditions.

When using extra battery with power station can you continue charging the extra battery when power station reaches 100%

Yes but mine stay close to the same percentage and seem to hit 100 percent around the same time.

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EF ECOFLOW Portable Power Station DELTA 2 Max 2048Wh, 2400W LiFePO4 Battery

EF ECOFLOW Portable Power Station DELTA 2 Max 2048Wh, 2400W LiFePO4 Battery

Product ID: 531164343

Details

Brand
EF ECOFLOW
Fuel Type
electric
Included Components
AC Charging *1
Item Weight
23 kg
Output Wattage
3400 watts
Power Source
Solar Powered

⚡2048Wh LiFePO4 Battery

⏱️80% Charge in 43 Minutes

☀️1000W Solar Input

€ 2681.07

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power up your lifestyle—fast, flexible, and future-ready!

BLAZING FAST RECHARGE - Fuel up to 80% in just 43 minutes with combined solar and AC power—never miss a beat.
WHISPER QUIET SMART - Operates as quietly as 30 dB with advanced safety and app control for seamless, disturbance-free energy management.
SCALABLE POWER ON DEMAND - Expand capacity from 2kWh to 6kWh effortlessly with plug-and-play extra batteries—customize your energy future.
UNMATCHED BATTERY LONGEVITY - 10-year LiFePO4 battery with 3000 cycles ensures your power station stays reliable for years.
POWER EVERYTHING EVERYWHERE - 2400W continuous output with 15 outlets and X-Boost mode powers 99% of household devices, even high-wattage ones.

The EF ECOFLOW DELTA 2 Max is a cutting-edge portable power station featuring a robust 2048Wh LiFePO4 battery, capable of charging to 80% in just 43 minutes using combined solar and AC inputs. With a 10-year lifespan and expandable capacity up to 6kWh, it delivers reliable, scalable power for home backup, outdoor adventures, and emergency use. Its 2400W output (up to 3400W with X-Boost) supports nearly all household devices, while ultra-quiet operation and smart app controls ensure a seamless, safe energy experience.

Specifications

ASIN	B0C4DW17PD
Additional Features	10-Year Long-Lasting LFP battery, 2400W LFP Solar Generator, As Quiet as 30 dB, Expandable Capacity. Up to 6kWh, No fumes. No noise. No maintenance.
Best Sellers Rank	#3,468 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #14 in Outdoor Generators
Brand Name	EF ECOFLOW
Color	Black&Grey
Customer Reviews	4.6 4.6 out of 5 stars (1,337)
Engine Displacement	79 cubic centimeters
Engine Power Maximum	2400 watts
Engine Type	4 Stroke
Frequency	60 hertz
Fuel Type	electric
Ignition System Type	electric
Included Components	AC Charging Cable 1, EcoFlow DELTA 2 Max Portable Power Station1
Item Dimensions L x W x H	12.2"L x 9.7"W x 20"H
Item Type Name	DELTA2 Max
Item Weight	23 kg
Manufacturer	EF ECOFLOW
Manufacturer Part Number	EFD350
Material Type	ABS
Model Name	DELTA2 Max
Model Number	EFD350
Number of Items	1
Output Wattage	3400 watts
Power Source	Solar Powered
Recommended Uses For Product	Home Backup
Running Wattage	2400 watts
Runtime	43 minutes
Starting Wattage	4800 watts
Total Power Outlets	6
UPC	842783128706
Voltage	120 volts
Warranty Description	5 Year
Wattage	2048 watt-hours

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