EcoFlow DELTA 3 Max delivers 2400W AC rated output. With X-Boost™ 3.0 technology, it supports devices up to 3400W—effortlessly taking on your heavy-duty appliances. The inverter samples AC voltage and current every 33μs with high precision using a DSP chip, ensuring pure sine wave output with beyond grid-level stability—ideal for powering sensitive electronics reliably.

1800W Input, 0-80% in 68 mins[3]. EcoFlow’s exclusive Storm Guard Mode[4] monitors severe weather alerts and automatically triggers AC charging remotely using industry-leading X-Stream fast charging tech—so it can be ready long before a disaster hits.

With 1800W input, recharge to 80% in just 68 mins[1]. The EcoFlow Smart Generator 4000 (Dual Fuel) powers up DELTA 3 Max for storms, outages, and off-grid living[5].

With the EcoFlow 500W Alternator Charger, get ready fast while on the move.

Long-Lasting, Durable, Always Ready for Emergencies

Rugged exterior and intelligent BMS for unmatched reliability

Built to Last

From battery chemistry to structural design, DELTA 3 Max is engineered for extreme durability, environmental resilience, and whisper-quiet performance.

Smart, 24/7 Battery Protection

EcoFlow’s advanced BMS uses a high-performance ARM Cortex chipset and intelligent algorithms to monitor your battery in real time. By tracking SOC, SOH, temperature, and more, it ensures peak performance, extended battery life, and worry-free operation.

EV-Grade CTC Structure

Built with a cell-to-chassis (CTC) structure, DELTA 3 Max is drop-resistant and shockproof—protecting against overnight condensation and off-road bumps during transport. You get stable power even in the most demanding conditions.

Extreme Environment Resistance

DELTA 3 Max keeps your power flowing through freezing cold, scorching heat, humid environments (95% humidity tolerance), or coastal air—for reliable energy anytime, anywhere.

Class B EMC Certification

Certified to Class B EMC standards, it won’t interfere with TVs, Wi-Fi, or other home electronics.

 

Compact, Portable, Lighter than Ever — Works Anywhere

Lightweight and easy to carry, DELTA 3 Max fits into any setting—from home to the great outdoors. Weighing just 20.3 kg, it’s 13% lighter for effortless portability while still packing serious power.

Deeper Insights, Easier Control

Monitor your energy usage and solar generation—all with one intuitive dashboard. Set timed charging/discharging missions so that you can charge during off-peak hours, discharge during peak rate periods to save costs.

Compatibility