EcoFlow DELTA 2 Max + Smart Extra Battery

Expandable capacity: 2-6kWh expandable capacity to fit your energy
storage needs. Add up to two DELTA 2 Max Smart Extra Batteries to hit 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.
Huge AC output: With X-Boost mode, get up to 3100W output power to
run 99% of home appliances. Power 13 devices at once, including 4 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 maximises solar generation
during the daytime.
Customised in-app energy management: Prioritise solar or AC charging, view input and output power, battery levels and more.
5-year warranty