Smoothly navigate your family through a power outage with the DELTA 3 Ultra Plus Portable Power Station from EcoFlow. It has a 3072Wh capacity that can be expanded up to 11 kWh with optional batteries or a generator. With 11 different outputs, you can power everything from mobile electronics to large appliances. Fast 10ms auto-switching allows your essential items to run smoothly. The 24/7 battery management system safely powers everything, and you can easily monitor power delivery using the integrated display or mobile app.
Plenty of Power
The built-in 3072Wh battery capacity delivers up to 3600W of continuous output via AC, with up to 7200W of surge in X-Boost 3.0 mode to easily power large appliances. The power station supports simultaneous charging/power for up to 11 devices and appliances via multiple outputs including four US Type B 3-prong outlets, a 3-prong 30A outlet, a 140W USB-C port, two 45W USB-C ports, an 18W USB-A port, a 126W car power port, and a 378W 12 VDC output.
Safe Operation
The integrated BMS (Battery Management System) and robust construction ensure safe and stable power delivery with 24/7 protection.
- ARM Cortex chip with algorithms track SOC, SOH, temperature, and more
- EV-Grade CTC (Cell-to-Chassis) construction is resistant to shock, overnight condensation, off-road bumps, and drops from up to 0.7'
- Extreme resistance to freezing cold, scorching heat, high humidity, and coastal air
- Class-B certification specifying no interference with TVs, Wi-Fi, and other home electronics
Six Ways to Recharge
Choose from six different options when it's time to recharge the DELTA 3 Ultra Plus.
- Wall AC: Up to 1800W to achieve 0-80% power in up to 89 minutes
- Generator: Up to 3600W with optional EcoFlow Smart Generator 4000
- Solar: Up to 1600W for 0-80% power in up to 101 minutes with optional EcoFlow 400W solar panels
- Alternator: Up to 1000W for 0-80%$ power in up to 142 minutes using your car's alternator and the optional EcoFlow Alternator Charger Plus 1000
- Solar and Generator: Dual charging with up to 3960W of input for 0-80% power in up to 48 minutes
- Solar and Alternator: Dual charging with up to 2600W of input for 0-80% power in up to 60 minutes
OASIS 3.0 Smart App Control
- Dashboard for monitoring battery status in real time, electricity prices, and savings
- Storm Guard Mode automatically activates the unit for backup power before extreme weather
- Self-powered mode and scheduled tasks to save time and money
- Choose which circuits stay powered, prioritizing what matters most
Additional Details
- X-Boost samples AC voltage and current every 33μs to ensure pure sine wave output
- Connects to your home via an optional manual transfer switch or inlet box
- Whisper-quiet 25 dB operation
- Intelligent switching between optional fuel generator and battery
- Integrated carry handle and dual wheels
