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.Lower your energy bills: Pair up with a PowerStream microinverter to store your solar energy to use during peak power hours.Huge AC output: With X-Boost mode, get up to 3000W 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.High conversion efficiency rating - guarantees a faster solar charging speed. 0-100% in 2.6 hours (2 sets) or 5.1 hours (1 set).Customised in-app energy management: Prioritise solar or AC charging, view input and output power, battery levels and more.5-year warranty - 5 years for DELTA 2 Max, 24 months for 400W Solar Panel.