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EcoFlow DELTA 3

Measured vs rated

Usable AC energy	Measured 870 Wh (85%) [test] Rated: 1024 Wh

Rated specs

Capacity	1024 Wh [maker]
Battery chemistry	LFP (LiFePO4) [maker]
Cycle life	4000 cycles to 80%+ capacity [maker]
AC output	6 outlets, 1800W total (surge 3600W) [maker]
Max device power with X-Boost	2200W [maker]
USB-A	2 ports, 18W max [maker]
USB-C	2 ports, 100W max [maker]
Car output	1 port, 12.6V, 10A, 126W max [maker]
Solar input	11V to 60V, 500W max [maker]
AC charging	1500W [maker]
UPS switchover	<10 ms [maker]
Expansion	Extra batteries up to 5 kWh [maker]
Battery pack rating	IP65 [maker]
Weight	About 27.6 lb (12.5 kg) [maker]
Dimensions	15.7 x 8.0 x 11.2 in [maker]
App	Yes [maker]
Warranty	5 years [maker]

Checked against the maker page

Each of these 14 rows quotes the manufacturer page word for word. Some rows add specs from that page that are not in the summary table above.

Spec	Value	Quoted from the page
Capacity	1024 Wh	Capacity 1024 Wh source
Battery chemistry	LFP (LiFePO4)	Battery Chemistry LFP (LiFePO4 battery) source
Cycle life	4000 cycles to 80%+ capacity	4000 cycles to 80+% capacity source
AC output	6 outlets, 1800W total (surge 3600W)	AC Output 6 outlets, 1800W total (Surge 3600W) source
Max device power with X-Boost	2200W	Max Device(s) Power (with X-Boost) 2200W source
USB-A	2 ports, 18W max	USB-A Output (Fast Charge) 2 ports, 18W Max source
USB-C	2 ports, 100W max	USB-C Output 2 ports, 100W Max source
Car output	1 port, 12.6V, 10A, 126W max	Car Power Output 1 port, 12.6V, 10A, 126W Max source
Solar input	11V to 60V, 500W max	Solar Charging DC Charge Input, 11V-60V 500W Max source
AC charging	1500W	AC Charging 1500W source
UPS switchover	<10 ms	UPS <10ms source
Expansion	Up to 5 kWh with a separate extra battery	expandable up to 5kWh* source
Battery pack rating	IP65	IP65 Battery Pack source
Warranty	5 years	5-Year Warranty source

By rated capacity, the EcoFlow DELTA 3 ranks 62 of 117 portable power stations listed here (1 = largest).

Runtime estimator

Uses the EcoFlow DELTA 3 rated 1,024 Wh. Set your load and the share of rated energy you expect to get out.

Device load (W) Usable share (%)

About 8.7 hours at 100 W.

Prices by retailer

No price recorded yet. We list only prices read on a retailer page, with the date.

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Similar models

Data checked on November 1, 2026. See how we research.

Sources

EcoFlow DELTA 3 product page (specs section) (checked 2026-11-01)
OutdoorGearLab: How to Choose a Power Station (usable AC power output table) (checked 2026-11-01)