EcoFlow DELTA 3 Series Portable Power Station (EFDELTA3-UK)

The EcoFlow DELTA 3 Series Portable Power Station (EFDELTA3-UK) is a next-generation expandable energy solution designed for home backup, outdoor adventures, and professional-grade portable power needs. With a compact yet powerful LiFePO4 battery system, ultra-fast charging capabilities, and advanced smart control features, it delivers reliable performance across a wide range of applications. Its modular design allows capacity expansion up to 5kWh, making it highly adaptable for both everyday and emergency use.

Product Features

Expandable Energy Storage System

Supports expandable capacity from 1kWh up to 5kWh using compatible EcoFlow extra batteries, including DELTA 2, DELTA 2 Max, DELTA Pro 3, and DELTA 3 expansion units.

High-Power AC Output Performance

Delivers 1800W continuous pure sine wave output across four AC outlets, with X-Boost capability up to 2400W and surge capacity up to 3600W.

Ultra-Fast Multi-Method Charging

Supports multiple fast charging options including AC, solar, alternator charging, smart generator input, and multi-charging combinations for maximum flexibility.

Advanced LiFePO4 Battery Technology

Built with lithium iron phosphate chemistry rated for up to 4000 cycles to 80 percent capacity, ensuring long-term durability and stable performance.

Pro-Grade UPS Protection

Provides an uninterruptible power supply with a switchover time of less than 10 milliseconds, ensuring continuous operation for sensitive electronics.

Smart Energy Management System

Fully compatible with the EcoFlow app, offering intelligent energy tracking, time-of-use optimization, and storm warning notifications.

High-Efficiency Solar Charging

Supports up to 1000W solar input (depending on model variant), enabling rapid off-grid recharging and improved energy independence.

Quiet and Efficient Operation

Operates at less than 30 dB under light load and under 40 dB at higher output levels, making it suitable for indoor and nighttime use.

Durable IP65 Battery Protection

Features an IP65-rated battery pack for enhanced resistance against dust and water exposure, improving reliability in outdoor environments.

Product Specifications

• Battery capacity: 1024Wh
• Battery chemistry: LiFePO4 (LFP)
• Cycle life: 4000 cycles to 80 percent capacity
• Expandability: 1–5kWh with compatible EcoFlow extra batteries
• AC output: 4 outlets, 1800W total (pure sine wave)
• Surge output: 3600W
• X-Boost output: Up to 2400W
• Total output ports: 11
• USB-A output: 2 ports, 12W max (DELTA 3) or up to 36W max (DELTA 3 Plus fast charge)
• USB-C output: 2 ports, up to 100W max (DELTA 3) or up to 140W max (DELTA 3 Plus)
• Car power output: 12.6V, 10A, 126W max
• DC5521 output: 2 ports, 12.6V, 3A max each
• AC charging input: 1500W, full charge in approximately 56 minutes
• Solar input: 11–60V, up to 500W per port (up to 1000W combined on Plus variant)
• Car charging input: Up to 800W, approximately 1.3 hours
• Smart generator input: 1500W
• Combined AC + solar input: Up to 1500W
• UPS switchover: Less than 10 ms (standard), HID support on Plus variant
• Noise level: Less than 30 dB (600W load), less than 40 dB (1200W load)
• Waterproof rating: IP65 battery pack
• Dimensions: 398 × 200 × 284 mm
• Extra battery dimensions: 398 × 200 × 198 mm
• Weight: ≤12.5 kg
• Connectivity: Wi-Fi and Bluetooth via EcoFlow app
• Smart features: Time-of-use optimization, storm alerts, and remote monitoring support