4,096 Wh LFP portable power station with 4,000W continuous inverter output, 1,600W MPPT solar input, 0ms UPS mode, and expandable architecture up to 24 kWh.
Complete technical specifications for the EcoFlow Delta Pro 3.
| Category | Specification |
|---|---|
| Battery Capacity | 4,096 Wh (128 V × 32 Ah) |
| Battery Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Cycle Life | 4,000 cycles to 80% capacity (0.5C charge/discharge, 25°C) |
| Battery Management | Smart BMS with over-voltage, under-voltage, over-current, over-temperature, short-circuit protection |
| Inverter Type | Pure sine wave |
| Continuous Output | 4,000 W (total, all outlets combined) |
| Surge Output | 7,000 W (peak, <1s) |
| X-Boost | Yes — runs resistive loads up to 4,500W with power factor correction |
| AC Outlets | 5 × NEMA 5-15R (120V, 60Hz) |
| USB-C | 1 × 100W PD (5–20V) |
| USB-A | 2 × USB-A QC3.0 (18W each) |
| Car Port | 1 × 12V/30A regulated |
| DC5521 | 2 × 12V/5A |
| UPS Mode | Yes, 0ms transfer time (online double-conversion) |
| Solar Input | 2 × XT60 ports (combined max 1,600W) |
| MPPT Voltage Range | 12–120V DC, 15A max per port |
| AC Charge Speed | 80% in ~50 minutes, 100% in ~1.2 hours (with AC+Solar simultaneously) |
| Charging Modes | Silent / Standard / Turbo / Custom |
| Display | Full-color LCD touchscreen with real-time monitoring |
| App Connectivity | Wi-Fi (2.4 GHz) + Bluetooth, EcoFlow app (iOS/Android) |
| Weight | 59.5 lbs (27 kg) |
| Dimensions | 19.6 × 10.4 × 15.0 in (50 × 26.5 × 38 cm) |
| Operating Temperature | –4°F to 104°F (–20°C to 40°C) |
| Charging Temperature | 32°F to 113°F (0°C to 45°C) |
| Noise Level | <30 dB at 3.3 ft (1 m) in Silent mode |
| Warranty | 5 years (with optional extended warranty) |
| Expandability | Up to 2 × Extra Battery (Max 12,288 Wh) |
What the Delta Pro 3 can actually power, and for how long.
~100–150W continuous, cycling on/off.
Sustained 1,000W draw with inverter surge.
10 × 10W LED bulbs = 100W total.
Home office / remote work setup.
~80–120W TV + streaming device.
5,000 BTU window AC (~600W continuous).
Common questions about the EcoFlow Delta Pro 3.
The Delta Pro 3 supports up to 1,600W of solar input across two XT60 ports. Each port handles up to 800W with a voltage range of 12–120V. Most users pair it with 2–4 × 400W panels in series. Remember: real-world output is ~70% of panel rating in good sun.
It can power critical circuits during an outage — fridge, lights, internet, TV, a few small appliances. But it's not a whole-home system. For that, you'd need the expanded version (up to 24 kWh with extra batteries) paired with a transfer switch connected to essential circuits. A 4,096 Wh unit alone will run essential loads for 1–2 days.
EcoFlow rates the LFP battery at 4,000 cycles to 80% capacity. If you use one full charge per week (common for backup/camping), that's roughly 77 years. Even with daily use, it's 11+ years. Realistically, the inverter or BMS electronics will likely fail before the battery cells in most use cases.
Yes — EcoFlow uses an online double-conversion topology in UPS mode, meaning the inverter is always running and there is zero transfer time when grid power fails. This protects sensitive electronics like computers, gaming consoles, and medical equipment. Most competitors use a standby topology with 10–30ms transfer.
Yes — you can add up to 2 EcoFlow Extra Batteries (each 4,096 Wh) for a total of 12,288 Wh. They connect in series via a dedicated port. You can also use the EcoFlow Double Voltage Hub to connect two Delta Pro 3 units for 240V output at up to 8,000W.
Error code reference, troubleshooting guides, and power station comparisons.