• 1.02 kWh
  • 1024Wh Capacity
  • Expandable 1-5 kWh capacity with DELTA 3 Extra Battery, DELTA Pro 3 Extra Battery, DELTA 2 Extra Battery, or DELTA 2 Max Extra Battery.
  • 1800W AC output, with 2400W (3600W surge) using X-Boost technology.
  • 5 fast recharging methods: AC, Solar, 800W Alternator Charger, Smart Generator 3000 (Dual Fuel), and Multi-charging.
  • 5-year warranty.

 

5 ways of industry-leading fast charging.

 

Industry-leading portable power station with the fastest charging speed, perfect for indoors, outdoors, or on the go.

Ensure reliable backup for specialised equipment with a 10 ms UPS.

5 Fast Charging Options

Charging Method Details
AC Charging 1500W AC Input, Full Charge in 56 Minutes with EcoFlow’s X-Stream technology.
Solar Charging Solar Input with 1000 MPPT, Full Charge in 70 Minutes, even with limited sunlight.
Car Charging 800W Car Charge, Full Charge in 1.3 Hours, 8× faster than others.
Multi-Charging AC + Solar, Full Charge in 56 Minutes with 1500W Input, prioritising solar to save money.
Generator Charging Hybrid Power with Generator, Full Charge in 56 Minutes with 1500W AC Input.

Powerful Output, Imperceptible Operation

1800W steady state output, 3600W surge. Supports 99% of household devices, including refrigerators, TVs, and computers. Plus, with X-Boost, continuously power appliances over 2400W, such as ovens, hair dryers, and kettles.

 

Compact and portable design fits effortlessly in any space

30 dB ultra-quiet operation

Completely imperceptible under 600W, blending with natural ambient noise (30 dB). Whether you’re in a tent or at home, it won’t disrupt sleep.

IP65 Battery Pack

IP65-rated for resistance against water splashes and dust, ensuring durability in various environments. Protects against harsh conditions, providing long-lasting performance.

BMS

Over 40 protective measures against current, voltage, temperature, and circuit risks. Intelligent management system and thermal runaway propagation protection prevent explosions and fires for maximum safety.

LFP Battery

Third-gen LiFePO4 (LFP) cells offer fast charging without sacrificing longevity. With 4000 cycles to 80% capacity, enjoy up to 10 years of reliable use, 25% above the industry standard.

Specifications

Feature EcoFlow DELTA 3
AC Charging 1500W (56 Min)
Exclusive X-Stream Tech 2400W
AC Outlets 4
AC Charging (Max Output) 1800W
Capacity 1024Wh
Max Device Power (X-Boost) 3600W
Total Output Ports 11
USB-A Fast Charge Ports 2 (18W Max)
USB-C Output Ports 2 (100W Max)
DC5521 Output Ports 2 (12.6V, 3A Max)
Car Power Output 12.6V, 10A, 126W Max
Car Charging Input 800W (1.3 hours) – requires the Alternator Charger
AC+PV Input 1500W
Cycle Life 4000 cycles to 80% capacity
Battery Chemistry LFP
Waterproof Level IP65 (battery, not housing)
UPS (Uninterruptible Power Supply) <10ms
Noise Level 600W: <30dB / 1200W: <40dB
Net Weight (kg) ≤12.5
Warranty 5 Years
What’s in the Box AC Charging Cable, Car Charging Cable, DC5521 to DC5525 Cable, Manuals & Warranty Card
Save: £20

Price Lower Than Manufacturer*

EcoFlow Delta 3 Portable Power Station

Original price was: £799.00.Current price is: £779.00.

Runtime Calculator

Enter your battery capacity and appliance wattage – or chose from one of the preset options – to calculate an approximate runtime.

Total Runtime: 0 hours and 0 minutes*
Wh
W

Warning: If the appliance’s power demand (W) exceeds the battery’s capacity (Wh), the charging or powering process on some power stations will not work as expected. Always ensure that the battery’s capacity is sufficient for the appliance’s power requirements before attempting to charge or power it.

*The figures provided by this calculator are indicative only and should be used as a general guide. Actual performance may vary depending on various factors, including the specific conditions of use and the efficiency of your devices.

What is Undertwok, or Under2k?

Well, we are an independent, and local, Retail shop that doubles as a Social media studio and event space. Our shop offers a unique blend of services with a vision to help everyone ‘Live their life under 2 kWh per day’. Our shop seamlessly blends traditional retail with digital innovation, our space serves as both a hub for our Portable Solar Powered products, available to purchase, and a dynamic social media studio. This space provides a platform for creativity to flourish, allowing visitors to not only shop, but also engage and learn about living their lives under 2 kWh per day.

Pop into the shop where we would love to chat over a solar powered pot of tea or coffee.

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Speedy Delivery

Ask us about personal door-to-door home delivery from stock within the local area (RG postcode), or Shipping within 3-5 working days for the rest of the UK.