Key Features - Hampshire Generators are the only UK EcoFlow supplier with factory trained engineers. - 4000W (X-Boost 6000W) Battery capacity 4096Wh - Expandable system up to 12kWh with 2 Extra Batteries - Fast charging LFP (Lithium iron phosphate) battery 0 – 80% 50 min - Long life span 4000 cycles to 80%+ capacity - Ideal for emergency backup, home use RV trips, caravanning - Whisper quiet 30dB noise level - 5-Year warranty The EcoFlow DELTA Pro 3 Portable Power Station. The EcoFlow DELTA Pro 3 Portable Power Station is a powerhouse designed to meet the demands of modern life, whether you're at home, on the road, or exploring the great outdoors. With its cutting-edge features, expansive battery capacity, and versatile charging options, the EcoFlow DELTA Pro 3 stands out.