EcoFlow DELTA 2 Max Smart Extra Battery - DELTA 2 Max + DELTA 2 Max Smart Extra Battery

Spec sheet

Collected from 3 supplier pages - confirm fit with the supplier before ordering.

• Expandable capacity - 2-6kWh 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, RVing, 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. • Huge AC output - With X-Boost mode get up to 3400W output power to run 99% of home appliances. Power 15 devices at once including 6 AC outlets. • Fastest recharging - World's fastest AC recharging and X-Stream dual AC+Solar charging speeds. Up to 1000W solar input to charge in as fast as 2.3 hours. • Capture more energy - 99% MPPT efficiency maximizes solar generation anytime. • Customized in-app energy management - Prioritize solar or AC charging, view input and output power, battery levels and more. • 5-year warranty

Suppliers (3)

• EcoFlow US

  EcoFlow DELTA 2 Max + DELTA 2 Max Smart Extra Battery - Livestream Flash Sale · Unavailable

  Checked Nov 5, 2026
  $1,569.00
  View at supplier
• EcoFlow US

  EcoFlow DELTA 2 Max Portable Power Station - DELTA 2 Max + DELTA 2 Max Smart Extra Battery(4kWh) · Orderable · stock unverified

  Checked Nov 5, 2026
  $1,849.00
  View at supplier
• EcoFlow US

  EcoFlow DELTA 2 Max Smart Extra Battery - DELTA 2 Max + DELTA 2 Max Smart Extra Battery · Unavailable

  Checked Nov 5, 2026
  $1,849.00
  View at supplier

Specifications and fitment

Option

DELTA 2 Max + DELTA 2 Max Smart Extra Battery - Flash Sale

Options

DELTA 2 Max + DELTA 2 Max Smart Extra Battery(4kWh)

Price history