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EcoFlow DELTA 2

Power station · DELTA 2. Specs from the manufacturer page (checked ).

EcoFlow DELTA 2
Photo: EcoFlow

The EcoFlow DELTA 2 is a 1,024 Wh portable power station with 1,800 W total AC output (2,700 W surge) from six 120V outlets. It uses a LFP battery rated for 3,000 cycles to 80% capacity and recharges from a wall outlet in about 1.2 hours.

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Capacity
1024Wh
Continuous
1800W
Peak / surge
2700W
Solar input
500W
Chemistry
LiFePO4
Cycles
3000
Expandable
Yes
Weight
12kg

Key features

Specifications

Capacity1024 Wh
Continuous output1800 W
Peak / surge2700 W
Solar input500 W
ExpandableYes
Battery chemistryLiFePO4
Cycle life3000 cycles
AC charging≈ Fully charged in 1.2hrs
AC output voltage120V
Weight12 kg (26.5 lb)
Dimensions40 × 21.1 × 28.1 cm (15.7 × 8.3 × 11.1 in)

From the EcoFlow page. Values the manufacturer does not publish are left out.

What is in the box

How long it runs common appliances

ApplianceWattsRuns?Hours
Refrigerator (with freezer)120 W (600 start)yes19 h
Chest freezer100 W (500 start)yes27 h
CPAP (no humidifier)35 W (40 start)yes23 h
Gas boiler (pump + controls)120 W (300 start)yes14 h
Wi-Fi router + modem/ONU12 Wyes68 h
Starlink (standard dish)60 W (100 start)yes14 h
TV 50"75 Wyes11 h
Sump pump 1/2 HP920 W (2150 start)yes0.9 h
Well pump 1/2 HP880 W (2000 start)yes0.9 h
Space heater 1500 W1500 Wyes0.8 h

Assumes 88 % inverter efficiency, 90 % usable capacity and typical duty cycles. Build your own list in the calculator.

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EcoFlow DELTA 2 comparisons

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Connection and wiring

Follow the diagrams in the EcoFlow manual.

Open the EcoFlow manual (PDF) →

Error codes and troubleshooting

CodeMeaningWhat to doManual page
High Temperature Charging ProtectionThe battery is too hot, so charging is stopped to protect it.Charging resumes automatically once the battery cools down.13
High Temperature Discharging ProtectionThe battery is too hot, so power output is stopped to protect it.The power supply resumes automatically once the battery cools down.13
Low Temperature Charging ProtectionThe battery is too cold, so charging is stopped to protect it.Charging resumes automatically once battery temperature rises above 5°C (41°F).13
Low Temperature Discharging ProtectionThe battery is too cold, so power output is stopped to protect it.The power supply resumes automatically once battery temperature rises above -12°C (10°F).13
AC High Temperature ProtectionAC output is protected because the product is overheating. The indicator flashes.Check whether the fan inlet and outlet are blocked. If not, normal operation resumes automatically after the product temperature drops.14
AC Low Temperature ProtectionAC output is protected because the product is operating at too low a temperature. The indicator flashes.Use the product at optimum environmental temperatures. Normal operation resumes automatically.14

6 of 18 codes. From the EcoFlow manual. All 18 DELTA 2 Max / DELTA Pro / DELTA 2 codes →

FAQ

How long will the EcoFlow DELTA 2 run a refrigerator?

About 19 hours for a typical 120 W refrigerator that runs 35 % of the time, after inverter and depth-of-discharge losses.

Can the EcoFlow DELTA 2 start a sump pump or well pump?

Starting surge matters more than running watts: this unit is rated 2700 W peak. That covers a typical 1/2 HP sump pump (about 2150 W to start). Use the calculator with your exact pump.

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