What appliances can the EcoFlow DELTA 2 Max run during an outage?

In our verified 15-appliance test matrix, the EcoFlow DELTA 2 Max (2400 W continuous / 4800 W surge) runs 15 of 15 core household appliances.

How long does the EcoFlow DELTA 2 Max take to recharge with a 200W solar panel?

With a 200W solar panel delivering ~160 W in full sun (after 20% NREL PVWatts derate and 95% MPPT/LFP charge efficiency), the EcoFlow DELTA 2 Max (2048 Wh) takes approximately 13.5 peak-sun hours, or about 3.4 days at 4 peak-sun hours per day.

STATION // LFP

MODEL EFD350

EcoFlow DELTA 2 Max Runtime Hub & Spec Sheet

$1,049

Verified Street

Official Spec / Store ↗

EcoFlow's 2,048 Wh LFP station: 2,400 W AC with 3,400 W X-Boost for heaters, a 4,800 W surge rating, a 20 ms UPS switchover, two 500 W solar inputs and expansion to 6,144 Wh with two extra batteries.

CAPACITY

2048WH

LFP · 3000 cyc

CONTINUOUS_AC

2400W

Boost: 3400W

SURGE_LIMIT

4800W PK

2.00× peak-to-cont

200W_SOLAR

13.5HRS

≈ 3.4d @ 4 PSH

MAX_SOLAR_IN

1000W

AC: 1800W

MASS_COMPAT

23KG

Runs 15/15 loads

APPLIANCE_COMPATIBILITY_MATRIX // 15 LOADS

EcoFlow DELTA 2 Max Runtime Across All 15 Core Outage Appliances

Appliance	Status	Run / Surge	Low	Typical Runtime	High	12V DC / LPG	Node
CPAP Machine	RUNS	40W / 65W	2.7d (66h)	35.2 HRS	24.0h	2.2d (52h) (+48.9%)	Inspect →
Full-Size Refrigerator	RUNS	160W / 800W	35.4h	24.0 HRS	15.4h	—	Inspect →
Chest Freezer	RUNS	115W / 650W	2.1d (51h)	40.1 HRS	28.6h	—	Inspect →
1/2 HP Sump Pump	RUNS	1050W / 2300W	2.6d (62h)	10.7 HRS	5.1h	—	Inspect →
Wi-Fi Router	RUNS	10W / 15W	4.0d (95h)	3.3 DAYS	2.5d (60h)	8.7d (210h) (+163.9%)	Inspect →
Starlink Standard	RUNS	100W / 120W	29.7h	16.6 HRS	11.5h	—	Inspect →
1,500W Portable Space Heater	RUNS	900W / 900W	2.4h	2.0 HRS	1.2h	—	Inspect →
1/2 HP Deep Well Submersible Pump	RUNS	1050W / 3200W	2.2d (53h)	21.8 HRS	6.9h	—	Inspect →
Home Medical Oxygen Concentrator	RUNS	350W / 500W	6.4h	5.2 HRS	4.3h	—	Inspect →
Portable Induction Cooktop (Single Burner)	RUNS	1800W / 1800W	1.8h	58 MIN	58m	—	Inspect →
Mini-Fridge / Beverage Cooler	RUNS	60W / 400W	2.6d (62h)	2.0 DAYS	38.4h	—	Inspect →
Pellet Stove with Electric Auger	RUNS	150W / 500W	16.6h	11.5 HRS	8.1h	—	Inspect →
Home Network & PoE Security System	RUNS	45W / 50W	43.2h	32.2 HRS	21.3h	46.9h (+45.6%)	Inspect →
High-Velocity Box Fan	RUNS	75W / 140W	29.7h	21.3 HRS	15.3h	—	Inspect →
Drip Coffee Maker	RUNS	1200W / 1200W	2.0h	1.5 HRS	1.3h	—	Inspect →

Build a custom emergency stack with multiple appliances on EcoFlow DELTA 2 Max →Open Builder →

SOLAR_AUTONOMY // DIURNAL NET-ZERO SIMULATOR

Indefinite Solar Runtime Matrix: 200W vs 400W Solar Panels

Calculates daily net balance at 4 peak sun hours. Shows whether continuous emergency draw reaches indefinite net-zero autonomy or extended multi-day battery endurance.

Check Solar Panel Prices↗

Appliance Load	Battery Only	200W Solar Panel	400W Solar Panel
CPAP Machine40W nominal · medical	35.2h	Extended (2.6d)	Extended (11.4d)
Full-Size Refrigerator160W nominal · refrigeration	24.0h	Extended (1.4d)	Extended (2.4d)
Chest Freezer115W nominal · refrigeration	40.1h	Extended (3.3d)	Extended (200.8d)
1/2 HP Sump Pump1050W nominal · water	10.7h	Extended (0.5d)	Extended (0.6d)
Wi-Fi Router10W nominal · networking	3.3d (79h)	Extended (191.4d)	Yes (Indefinite)
Starlink Standard100W nominal · networking	16.6h	Extended (0.9d)	Extended (1.2d)
1,500W Portable Space Heater900W nominal · heating	2.0h	Extended (0.1d)	Extended (0.1d)
1/2 HP Deep Well Submersible Pump1050W nominal · water	21.8h	Extended (1.2d)	Extended (2d)
Home Medical Oxygen Concentrator350W nominal · medical	5.2h	Extended (0.2d)	Extended (0.2d)
Portable Induction Cooktop (Single Burner)1800W nominal · heating	58m	Extended (0d)	Extended (0d)
Mini-Fridge / Beverage Cooler60W nominal · refrigeration	2.0d (49h)	Extended (5.1d)	Yes (Indefinite)
Pellet Stove with Electric Auger150W nominal · heating	11.5h	Extended (0.6d)	Extended (0.7d)
Home Network & PoE Security System45W nominal · networking	32.2h	Extended (2.2d)	Extended (6.6d)
High-Velocity Box Fan75W nominal · heating	21.3h	Extended (1.2d)	Extended (1.9d)
Drip Coffee Maker1200W nominal · heating	1.5h	Extended (0.1d)	Extended (0.1d)

BMS_MAINTENANCE // CALENDAR AGING & VAMPIRE DRAIN

Off-Season Storage Schedule & Shelf-Life Protocol

LFP Storage Protocol

Parasitic BMS Drain~2.5%/mo

Continuous microcontroller, Bluetooth LE, and safety circuit baseline draw.

Recommended Top-OffEvery 6 mos

Recharge to 60–80% SoC to prevent voltage sag below low-voltage BMS lockout.

Optimal Storage Range50% – 70% SoC

Storing at 100% accelerates electrolyte oxidation; storing at 0% risks permanent cell loss.

Safe Storage Temp15°C – 25°C

Avoid unconditioned sheds/attics. Freezing storage doubles cell internal resistance.

Long-Term Storage Warning:Leaving this LFP station unplugged in a closet for >12 months without cycling will allow parasite BMS drain to drop individual pouch/prismatic cell voltages below 2.0V, permanently bricking the battery management system. Set a calendar reminder every 6 months.