DELTA FAQ: Everything you need to know

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If you’re looking for more information about the EcoFlow DELTA portable power station, our support specialists have rounded up some answers to your most popular questions.

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DELTA

Capacity1260Wh
Output1800W
Solar Input400W

General Overview

DELTA boat

What is the battery capacity of DELTA?

DELTA has a battery capacity of 1260Wh (350,000mAh).

What is the lifespan of its battery?

DELTA’s battery maintains 80% capacity after 800+ cycles, which is much better than a phone or laptop battery.

How can I get the longest lifespan from its battery?

1. Keep it within 20–30°C (68–86°F) and away from water and heat.
2. For safety reasons, do not store DELTA above 45°C (113°F) or below −10°C (−14°F) for extended periods.3. For long-term storage, discharge the battery to 30% and charge it to 85% every three months (products that have not been charged and discharged for more than 6 months are not covered under the product warranty).

Charging

Portable solar panels featured

What are all the ways to charge DELTA?

You can charge it from a wall outlet, car outlet, and solar panel. You can also charge it with a gas generator that provides AC power that is 220–240V (50Hz/60Hz) and at least 1500W.

Can I use DELTA while it’s charging?

Yes, DELTA can discharge when connected to an AC input, car outlet, or solar panel.

Can I charge DELTA with a third-party solar panel?

Yes, DELTA has a universal solar charging port, which makes it compatible with most solar panels that are 10–65V and DC 10A (max). We recommend using solar panels that have a combined wattage of around 400.

Output

What devices can DELTA power?

Basically, DELTA can power anything that’s up to 1800W and that doesn’t peak above 3300W*. To put that in perspective:

Home Backup

1
Light

10W
36+ hrs

5
Washer

500-1000W
2+ hrs

2
CPAP

40W
18-22 hrs

6
TV

110W
9-18 hrs

3
Fridge

150W
7-10 hrs

7
Hair Dryer

1600W
0.6-3.3 hrs

4
Microwave

1000W
1-1.8 hrs

8
Coffee Maker

600W
60 Cups

Off-grid Life

9
Phone

3Ah
100+ X

13
Grill

1650W
0.6-1.2 hrs

10
Laptop

60W
16+ hrs

14
Frying Pan

1500W
0.7-1.2 hrs

11
Camera

18Wh
63+ X

Untitled design
Blender

400W
2.5+ hrs

12
Drone

60Wh
16+ X

15
Car

1800W
5-7 Km

Can I use all of the outlets at once?

Yes, as long as the combined output of what you’re charging doesn’t exceed 1800W*. We recommend testing your devices one at a time to see if they’re compatible with DELTA.

What should I do when DELTA won’t charge anything?

1. If you’re trying to power something through DC or AC charging, check that the ON/OFF buttons for AC and DC are on.

2. If a device is drawing less than 1 watt from DELTA, it won’t show up on the LCD screen even though power is going to it.

3. If there is an overload protection indicator on the LCD screen, it means one or more things are trying to pull more than 1800W (or 3300W during a surge)*.

*The 4-outlet version of DELTA has 11 outlets and output of 1600W (3100W surge).

Troubleshooting

DELTA DIY

Why doesn’t my DELTA charge to 100%?

You can do SoC (state of charge) calibration by fully discharging and recharging the battery.

What should I do when DELTA can’t charge from my car outlet?

1. Make sure your vehicle’s engine is on when trying to charge DELTA.

2. If other devices with a car outlet plug don’t work, it could be a problem with your car outlet.

3. If a solar panel or a third-party XT60 cable can charge DELTA, it could be your XT60 charging cable.

Can I use DELTA as an uninterrupted power source (UPS)?

No, but it can be used as an emergency power source (EPS). Here’s the difference.

When your DELTA is plugged into the wall, anything plugged into it gets power from the grid, not its battery. If power from the grid stops, DELTA automatically switches to its battery supply mode within 30 milliseconds. That means anything connected will not have power for 30 milliseconds, which may mean desktop computers and data servers turn off. UPS is not necessary for most devices, but you’ll have to determine this for yourself.

Why are the icons on the LCD screen dim?

Place DELTA on a hard surface.

Why does DELTA power off automatically?

1. The battery may have died.2. DELTA will automatically turn off if the AC and DC power buttons are turned off, and there is no input or output power for 30 minutes.

What should I do if DELTA won’t turn on?

1. It might not have enough battery. Try charging it and restarting it.

2. If DELTA’s battery went to 0%, you might see an overheating protection icon on the LCD screen. Wait for the unit to cool before recharging it.

Can I link the EcoFlow Smart Extra Battery with DELTA?

No, but you can connect up to 2 DELTA units for twice the battery life.

How do I connect two DELTA units together?

1. Fully charge both DELTAs.

2. Make sure they’re disconnected from the wall when being used.

3. Plug one DELTA into the other’s AC wall outlet.

We hope these FAQs answered your question. If you have anything else you’d like to know, give us a shout at EcoFlow Support!

ECOFLOWhttps://www.ecoflow.com/
EcoFlow is a portable power and renewable energy solutions company. Since its founding in 2017, EcoFlow has provided peace-of-mind power to customers in over 85 markets through its DELTA and RIVER product lines of portable power stations and eco-friendly accessories.

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16 COMMENTS

    • Yes of course, if you wish to use solar panels from third party, please make sure there is no MPPT board in your solar panel.

  1. Delta pro was fine yesterday, Today it will only accept 690 w from the same AC source
    Suggestions?

  2. Why can’t the extra battery pack be added to the ecoflow plus? It seems like it would fit just like the other base ecoflow and the ecoflow max versions.

    • Delta dont have a port for extra battery to connect, so it is not expandable, The the newly released Delta 2 has port to connect with extra battery.

    • Hi there,

      It is recommended to unplug the device after it is fully charged and follow the storage method in the user’s manual.

  3. What is the best position for the battery to be sitting in during storage time. Can I store then stand up right with handle facing up or do they have to be kept horizontal with the handle facing forward

    • Batteries should be stored in a well-ventilated, dry area kept between 40 and 80 degrees Fahrenheit. They should be stored away from direct sunlight, heat sources, and water. Batteries should be stacked so that they’re stable and won’t be bumped, knocked over, battery should stand up right with handle facing up

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