• 2.04 kWh
  • Expandable capacity – Increase the capacity of DELTA 2 Max with an extra 2046Wh.
  • Triple the power – 2-6 kWh expandable capacity to fit your energy storage needs. Add up to two DELTA 2 Max Smart Extra Batteries to hit a capacity of 6144Wh. Ideal for home backup, caravanning, outdoors or even everyday use.
  • Built to last 6× longer – Get 10 years of daily use until hitting 80% of its original capacity. That’s down to its LFP battery chemistry giving you 3000 cycles.
  • 5-Year Warranty

Take Capacity to the Max

With an expandable design, triple the capacity from 2 kWh to 6 kWh.

Power your essentials like your fridge for up to 42 hours¹

¹Data based on 6 kWh capacity running a 120W refrigerator.

Specifications

Capacity 2048Wh
Input Port 51.2V, 2000W Max
Output Port 51.2V, 3200W Max
Battery LFP chemistry, 3000 cycles to >80% capacity
Dimension 464 × 235 × 283 mm (18 × 9 × 11 in.)
Weight 19kg(42lbs)
What’s in the box EcoFlow DELTA 2 Max Smart Extra Battery, Extra Battery Cable, User Manual, Warranty Card
Compatible with DELTA 2 / DELTA Max 2000/ DELTA 2 Max
Save: £24

Price Lower Than Manufacturer*

EcoFlow DELTA 2 Max Smart Extra Battery

Original price was: £999.00.Current price is: £975.00.

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.

Ask us a Question

Please enable JavaScript in your browser to complete this form.
Add-Ons
No results found.

Сhat To Us

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.