• 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.

Industry-leading portable power station with the fastest charging speed.

Five Fast Charging Methods

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, prioritizing solar to save money.
Generator Charging Hybrid Power with Generator, Full Charge in 56 Minutes with 1500W AC Input.

Powerful output, imperceptible operation.

1800W output, 3600W surge beyond limits.

EcoFlow DELTA 3 Series supports 99% of household devices, including refrigerators, TVs, and computers. Plus, with X-Boost, continuously power appliances over 2400W, such as ovens (2150W), hair dryers (1800-2500W), and kettles (1200-3000W). Perfect for home usage, RV, and outdoor usage, this solar battery ensures you’re never left in the dark.

 

Powerful output, imperceptible operation.

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.

Specifications

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) 2400W
Total Output Ports 11
USB-A Fast Charge Ports 2 (36W Max)
USB-C Output Ports 2 (140W Max)
DC5521 Output Ports 2 (12.6V, 3A Max)
Car Power Output 12.6V, 10A, 126W Max
Car Charging Input 800W (1.3 hours)
AC+PV Input 1500W
Cycle Life 4000 cycles to 80% capacity
Battery Chemistry LFP
Waterproof Level IP65 (battery only, not housing)
UPS (Uninterruptible Power Supply) <10ms
Noise Level 600W: <30dB / 1200W: <40dB
Net Weight (kg) Approx. 12.5
Warranty 5 Years
Save: £22

Price Lower Than Manufacturer*

EcoFlow Delta 3 Plus Portable Power Station

Original price was: £899.00.Current price is: £877.00.

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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Chat with our team of Undertwok gurus today! We’re here to guide you on the best products and strategies to live under 2 kWh per day.

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.