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EcoFlow DELTA 2

Model: DELTA 2 · SKU: Not documented

Prepared Nov 12, 2026

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Common specifications

Rated capacity	1.02 kWhCalculatedSource [1]
Usable capacity	Not documented
Battery voltage	51.2 VSource [1]
Rated capacity	Not documented
Continuous output	Not documented
AC output voltage	Not documented
Maximum AC charging	Not documented
PV input limit	Not documented
Transfer time	Not documented
Continuous discharge current	Not documented
Continuous charge current	Not documented
Peak discharge current	Not documented
Timed peak output	Not documented
Dimensions	211 W × 281 H × 400 L mm8.31 W × 11.1 H × 15.7 L in convertedSource [1]
Weight	12 kg26 lb convertedSource [1]
Communications	Not documented
Terminals	Not documented
Enclosure	Not documented
Chemistry	LFPSource [1]
Cycle life	4,000 cyclesSource [1]
Solar input voltage	11 to 60 VSource [1]
MPPT voltage range	Not documented
Maximum PV voltage	Not documented
AC charge input	1,200 WSource [1]
Enclosure volume	23.72 L** Calculated from recorded external dimensions
Warranty term	Not documented

All recorded specifications

AC charge input	1,200 WDocumented claim Conditions Printed as "AC Charging X-Stream Fast Charging 1200W max." in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "AC Charging X-Stream Fast Charging 1200W max." in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Battery capacity	1,024 WhDocumented claim Conditions Printed as "Capacity 1024Wh, 51.2V⎓" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "Capacity 1024Wh, 51.2V⎓" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Battery voltage	51.2 VDocumented claim Conditions Printed as "Capacity 1024Wh, 51.2V⎓" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "Capacity 1024Wh, 51.2V⎓" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Charging temperature	0 to 45 °C32 to 113 °F convertedDocumented claim Conditions Printed as "Charging Temperature 0°C - 45°C (32°F - 113°F)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "Charging Temperature 0°C - 45°C (32°F - 113°F)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Chemistry	LFPDocumented claim Conditions Printed as "Cell Chemistry LFP" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "Cell Chemistry LFP" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Cycle life	4,000 cyclesDocumented claimto 80%+ capacity Conditions Printed as "Cycle Life 4000 cycles to 80% + capacity" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "Cycle Life 4000 cycles to 80% + capacity" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Dimensions	211 W × 281 H × 400 L mm8.31 W × 11.1 H × 15.7 L in convertedDocumented claim Conditions Printed as "Dimensions 400 × 211 × 281mm (15.7 × 8.3 × 11.1in)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "Dimensions 400 × 211 × 281mm (15.7 × 8.3 × 11.1in)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Discharging temperature	-10 to 45 °C14 to 113 °F convertedDocumented claim Conditions Printed as "Discharging Temperature -10°C - 45°C (14°F - 113°F)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "Discharging Temperature -10°C - 45°C (14°F - 113°F)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Expansion requirements	Smart Extra Battery and Smart Generator supported (sold separately)Documented claim Conditions Printed as "Smart Extra Battery Supported (sold separately) Smart Generator Supported (sold separately)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "Smart Extra Battery Supported (sold separately) Smart Generator Supported (sold separately)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Ports	AC pure sine wave outlets, 1800W total (surge 2700W), 120V~ (US/CA); X-Boost up to 2200W (US/CA); 2 x USB-A 12W max each; 2 x USB-A fast charge 18W max each; 2 x USB-C 100W max each; car outlet 12.6V⎓10A, 126W max; 2 x DC5521 12.6V⎓3A, 38W max each. Inputs: AC X-Stream 1200W max; solar 11-60V⎓15A max, 500W max; car 12V/24V, 8A by defaultDocumented claim Conditions Printed as "USB-C (x2) 5/9/12/15/20V⎓5A 100W max. per port, total 200W Car Outlet 12.6V⎓10A, 126W max." in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "USB-C (x2) 5/9/12/15/20V⎓5A 100W max. per port, total 200W Car Outlet 12.6V⎓10A, 126W max." in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
PV input current / MPPT	15 ADocumented claim Conditions Printed as "Solar Charging 11-60V⎓15A Max, 500W max." in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "Solar Charging 11-60V⎓15A Max, 500W max." in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Rated AC output	1,800 WDocumented claim Conditions Printed as "AC Pure Sine Wave, 1800W total (surge 2700W)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "AC Pure Sine Wave, 1800W total (surge 2700W)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Rated capacity	1.02 kWhCalculated1024 Wh / 1000 = 1.024 kWh Conditions The manual prints "Capacity 1024Wh, 51.2V⎓" for the power station itself. Its capacity figure is expressed here in kWh. Expansion-battery totals are excluded. This is not a usable-energy or AC-delivered-energy figure; no depth of discharge or efficiency is applied. Location: PDF page 11, Specifications, General Info, Capacity The manual prints "Capacity 1024Wh, 51.2V⎓" for the power station itself. Its capacity figure is expressed here in kWh. Expansion-battery totals are excluded. This is not a usable-energy or AC-delivered-energy figure; no depth of discharge or efficiency is applied. Location: PDF page 11, Specifications, General Info, Capacity Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Recommended temperature	20 to 30 °C68 to 86 °F convertedDocumented claim Conditions Printed as "Optimal Operating Temperature 20°C - 30°C (68°F - 86°F)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "Optimal Operating Temperature 20°C - 30°C (68°F - 86°F)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Solar input limit	500 WDocumented claim Conditions Printed as "Solar Charging 11-60V⎓15A Max, 500W max." in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "Solar Charging 11-60V⎓15A Max, 500W max." in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Solar input voltage	11 to 60 VDocumented claim Conditions Printed as "Solar Charging 11-60V⎓15A Max, 500W max." in the Input Ports table; the charging section adds "please ensure that the solar panel’s output voltage is within 60V to avoid product damage". Capped at 15A and 500W. A generic input range, not labeled as an MPPT range or an open circuit voltage. Location: User manual, Specifications, Input Ports, Solar Charging Printed as "Solar Charging 11-60V⎓15A Max, 500W max." in the Input Ports table; the charging section adds "please ensure that the solar panel’s output voltage is within 60V to avoid product damage". Capped at 15A and 500W. A generic input range, not labeled as an MPPT range or an open circuit voltage. Location: User manual, Specifications, Input Ports, Solar Charging Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Storage temperature	-10 to 45 °C14 to 113 °F convertedDocumented claim Conditions Printed as "Storage Temperature -10°C - 45°C (14°F - 113°F)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. The optimal storage range is printed as 20°C - 30°C. Location: Specifications Printed as "Storage Temperature -10°C - 45°C (14°F - 113°F)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. The optimal storage range is printed as 20°C - 30°C. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Surge AC output	2,700 WDocumented claim Conditions Printed as "AC Pure Sine Wave, 1800W total (surge 2700W)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "AC Pure Sine Wave, 1800W total (surge 2700W)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Weight	12 kg26 lb convertedDocumented claim Conditions Printed as "Net Weight Approximately 12kg (27lbs)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "Net Weight Approximately 12kg (27lbs)" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]
Wireless monitoring	Wi-Fi; BluetoothDocumented claim Conditions Printed as "Wi-Fi Frequency Range" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Printed as "Wi-Fi Frequency Range" in the EcoFlow DELTA 2 user manual, Specifications, captured on September 26, 2026. Location: Specifications Official user manual · EcoFlow DELTA 2 User Manual (September 24, 2026 capture) [1]

Warranty

Certificate records

No records documented.

Sources and revisions

EcoFlow DELTA 2 User Manual (September 24, 2026 capture)Official user manual · Checked Sep 23, 2026https://ecoflow-service-us-prod.oss-us-west-1.aliyuncs.com/cms/manual/1753868387404/DELTA%202%20User%20Manual.pdf