3600W Output-Powerful. Stable. Built to Handle It AllEcoFlow DELTA 3 Ultra (3072Wh) delivers 3600W rated-output, with X-Boost 3.0 technology, it supports devices up to 4600W-effortlessly handling heavy-duty appliances. The inverter samples AC voltage and current every 33micros with high precision with a DSP chip, ensuring a pure sine wave output with beyond grid-level stability-ideal for powering sensitive electronics reliably.Go Hybrid-Extend Backup With a Smart GeneratorPair DELTA 3 Ultra (3072Wh) with an EcoFlow Smart Generator to achieve longer runtime-automatically switching between fuel and battery to keep you powered through multi-day outages or off-grid adventures. (Generator sold separately).4 Ways to Charge Up - Ready in Just 1.48 HrsRemote charging control for added peace of mind.Wall Charging1800W Input, 0-80% in 1.48 hrs. EcoFlow's exclusive Storm Guard Mode 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.Generator ChargingWith 1800W input, recharge to 80% in just 1.48 hrs. The EcoFlow Smart Generator 4000 (Dual Fuel) powers up DELTA 3 Ultra (3072Wh) for storms, outages, and off-grid living. (Sold Separately).Solar Charging800W Input, 0-80% in 3.37 hrs. Pair it with EcoFlow Solar Panels (25% high-efficiency) for reliable power during camping trips, van life, or off-grid living. (Sold Separately).Alternator ChargingWith the EcoFlow Alternator Charger, get ready fast while on the move. (Sold Separately).Long-Lasting, Durable, Always Ready for Emergencies - Automotive-Grade Full-Tab LFP CellsRugged exterior and intelligent BMS for unmatched reliability. 25% more - efficient power flow (thanks to lower resistance: 1.5 m Ohm vs. 2 m Ohm) 25% less - self-heatingBuilt to LastFrom battery chemistry to structural design, DELTA 3 Ultra (3072Wh) is engineered for extreme durability, environmental resilience, and whisper-quiet performance.Smart, 24/7 Battery ProtectionEcoFlow'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 StructureBuilt with a cell-to-chassis (CTC) structure, DELTA 3 Ultra is drop-resistant (0.2m) and shockproof -protecting against overnight condensation and off-road bumps during transport. You get stable power even in the most demanding conditions.Extreme Environment ResistanceDELTA 3 Ultra 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 CertificationCertified to Class B EMC standards, it won't interfere with TVs, Wi-Fi, or other home electronics.25dB Whisper-Quiet Operation Under LoadsPowered by X-Quiet 3.0, EcoFlow's stepless fan control adjusts airflow smoothly to maintain precise thermal regulation-keeping your home or workspace peacefully quiet, even under heavy loads.Deeper Insights, Easier ControlMonitor 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.