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EcoFlow DELTA 2 Max

Model: DELTA 2 Max · SKU: Not documented

Prepared Nov 12, 2026

Common specifications

Rated capacityNot documented
Usable capacityNot documented
Battery voltageNot documented
Rated capacityNot documented
Continuous outputNot documented
AC output voltageNot documented
Maximum AC chargingNot documented
PV input limitNot documented
Transfer timeNot documented
Continuous discharge currentNot documented
Continuous charge currentNot documented
Peak discharge currentNot documented
Timed peak outputNot documented
Dimensions
242 W × 305 H × 497 L mm9.5 W × 12 H × 19.6 L inSource [4]
Weight
23 kg51 lb convertedSource [3]
CommunicationsNot documented
TerminalsNot documented
EnclosureNot documented
Chemistry
LFP (LiFePO4)Source [3]
Cycle life
3,000 cyclesSource [3]
Solar input voltage
11-60 V, 15 A; 500 W per port and 1,000 W across two portsSource [4]
MPPT voltage rangeNot documented
Maximum PV voltageNot documented
AC charge input
1,800 WSource [3]
Enclosure volume36.68 L** Calculated from recorded external dimensions
Warranty term
5 yearsSource [2]

All recorded specifications

AC charge input
1,800 WDocumented claim
Conditions

United States 120 V model. The regional page lists 2,300 W X-Stream fast charging for the 230 V variant.

Location: Charging section

United States 120 V model. The regional page lists 2,300 W X-Stream fast charging for the 230 V variant.

Location: Charging section

[3]
Battery capacity
2,048 WhDocumented claim
Conditions

Base unit; the page states expansion to 6,144 Wh.

Location: Capacity specification

Base unit; the page states expansion to 6,144 Wh.

Location: Capacity specification

[2]
Chemistry
LFP (LiFePO4)Documented claim
Conditions

No further conditions are printed beside this figure on the manufacturer page cited here; the value is the page's own specification-table entry, re-read on 20 September 2026.

Location: Battery section

No further conditions are printed beside this figure on the manufacturer page cited here; the value is the page's own specification-table entry, re-read on 20 September 2026.

Location: Battery section

[3]
Cycle life
3,000 cyclesDocumented claim
Conditions

Published as 3,000 complete cycles until capacity falls to 80%.

Location: Battery section

Published as 3,000 complete cycles until capacity falls to 80%.

Location: Battery section

[3]
Dimensions
242 W × 305 H × 497 L mm9.5 W × 12 H × 19.6 L inDocumented claim
Conditions

Read on EcoFlow's regional page, which describes the 230 V variant; the United States pages do not publish dimensions.

Location: Specification table, dimensions

Read on EcoFlow's regional page, which describes the 230 V variant; the United States pages do not publish dimensions.

Location: Specification table, dimensions

[4]
Ports
AC Output: 6 outlets, 2400W total (Surge 4800W); USB-A Output: 2 ports, 5V, 2.4A, 12W Max per port; USB-C Output: 2 ports, 5/9/12/15/20V, 5A, 100W Max per port; Car Power Output: 1 port, 12.6V, 10A, 126W Max; DC5521 Output: 2 ports, 12.6V, 3A, 38W Max per portDocumented claim
Conditions

Output ports exactly as the specification table lists them, in the order published.

Location: Specification table, output port rows

Output ports exactly as the specification table lists them, in the order published.

Location: Specification table, output port rows

[1]
Rated AC output
2,400 WDocumented claim
Conditions

No further conditions are printed beside this figure on the manufacturer page cited here; the value is the page's own specification-table entry, re-read on 20 September 2026.

Location: Output specification

No further conditions are printed beside this figure on the manufacturer page cited here; the value is the page's own specification-table entry, re-read on 20 September 2026.

Location: Output specification

[2]
Solar input limit
1,000 WDocumented claim
Conditions

Published as 1,000 W maximum with 99% maximum power point tracking efficiency.

Location: Solar charging section

Published as 1,000 W maximum with 99% maximum power point tracking efficiency.

Location: Solar charging section

[3]
Solar input voltage
11-60 V, 15 A; 500 W per port and 1,000 W across two portsDocumented claim
Conditions

Read on EcoFlow's regional page, which describes the 230 V variant; the United States pages do not publish the photovoltaic voltage range.

Location: Specification table, solar charging

Read on EcoFlow's regional page, which describes the 230 V variant; the United States pages do not publish the photovoltaic voltage range.

Location: Specification table, solar charging

[4]
Surge AC output
3,400 WDocumented claim
Conditions

Published as up to 3,400 W with X-Boost on the United States page. EcoFlow's regional page publishes 4,800 W surge and 3,100 W X-Boost for the 230 V variant.

Location: Output specification

Published as up to 3,400 W with X-Boost on the United States page. EcoFlow's regional page publishes 4,800 W surge and 3,100 W X-Boost for the 230 V variant.

Location: Output specification

[2]
Weight
23 kg51 lb convertedDocumented claim
Conditions

No further conditions are printed beside this figure on the manufacturer page cited here; the value is the page's own specification-table entry, re-read on 20 September 2026.

Location: Specification, net weight

No further conditions are printed beside this figure on the manufacturer page cited here; the value is the page's own specification-table entry, re-read on 20 September 2026.

Location: Specification, net weight

[3]

Warranty

Warranty term
5 yearsDocumented claim
Conditions

Headline term published on the product page.

Location: Product page warranty line

Headline term published on the product page.

Location: Product page warranty line

[2]

Certificate records

No records documented.

Sources and revisions

  1. EcoFlow DELTA 2 Max product pageOfficial product page · Checked https://us.ecoflow.com/products/delta-2-max-portable-power-station
  2. EcoFlow DELTA 2 Max product pageOfficial product page · Checked https://us.ecoflow.com/products/delta-2-max-portable-power-station
  3. EcoFlow DELTA 2 Max United States model pageOfficial product page · Checked https://www.ecoflow.com/us/delta-2-max-portable-power-station
  4. EcoFlow DELTA 2 Max regional specification tableOfficial product page · Checked https://ge.ecoflow.com/en/product/ecoflow-delta-2-max-portable-power-station/
  5. DELTA 2 Max_User Manual (manuals.ecoflow.com page data, US English)Official user manual · Checked https://manuals.ecoflow.com/_next/data/FTBJ6jsORQalUU7BI9A57/us/product/delta-2-max-portable-power-station.json?lang=en_US&id=delta-2-max-portable-power-station
  6. EcoFlow DELTA 2 Max User Manual (English, PDF)Official user manual · Checked https://ecoflow-service-us-prod.oss-us-west-1.aliyuncs.com/cms/manual/1704187408195/EcoFlow%20DELTA%202%20Max%20-%20User%20Manual(en).pdf
  7. EcoFlow DELTA 2 Max on EcoFlow's United States store (captured October 20, 2026)Official product page · Checked https://us.ecoflow.com/products/delta-2-max-portable-power-station