DELTA 3 Classic charges from 0–80% in just 45 minutes with AC charging. It keeps you powered faster, smarter, and with greater peace of mind—whether indoors, outdoors, or on the move. X-Stream enables ultra-fast charging without compromising battery life. It intelligently adjusts voltage and power to ensure safe, high-speed recharging. With X-Stream, you’re ready in just 45 minutes. [2]

Activate EcoFlow's exclusive Storm Guard Mode [3] to auto-start charging when extreme weather alerts hit—so you're always prepared, even when away.

Charge fully in 1 hour with 1400W hybrid smart generator input. [4] Ideal backup when solar isn’t an option.

Fully charged in 2.5 hours with 500W solar input. Clean, renewable energy—wherever the sun shines.

Charge to 80% in 1.8 hours or 100% in 2.5 hours using the EcoFlow 500W Alternator Charger. [5]

 

1800W Output, 3600W Surge

Power Essentials Without Compromise

EcoFlow DELTA 3 Classic delivers a steady 1800W pure sine wave output with grid-level stability—enough to handle high-demand appliances like microwaves and power tools [6]. With X-Boost™ mode, it supports devices up to 2600W without tripping or slowing down—giving you seamless power for the moments that matter.

Kitchen

Living Room

Outdoors

Office

 

10ms Auto-Switch. Zero Interruptions.

When the power drops, DELTA 3 Classic responds in just 10 milliseconds—fast enough to keep critical devices like NAS systems and servers running smoothly. No data loss. No downtime. Just uninterrupted peace of mind.

Long-Lasting, Durable, Always Ready for Emergencies

Automotive-Grade Full-Tab LFP Cells

Rugged exterior and intelligent BMS for unmatched reliability

Built to Last

From battery chemistry to structural design, DELTA 3 Classic is engineered for extreme durability, environmental resilience, and whisper-quiet performance—delivering power you can count on for over 10 years.[1]

Compact, Portable — Works Anywhere

Lightweight and easy to carry, DELTA 3 Classic fits seamlessly into any setting, from your home to the great outdoors.

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 and discharge during peak rate periods to save costs.

Compatibility