Expandable capacity?- 1-3kWh expandable capacity to grow your storage to your needs. Add on the DELTA 2 extra battery to reach 2048Wh, or add on the DELTA Max Extra Battery to hit 3040Wh. Great for home backup or everyday appliances. Huge AC output?- 1800W AC output means you can power more than 90% of your home appliances. Or, try plugging in up to 15 devices at once. Unlike other brands, DELTA 2 can prevent overloading from devices up to 2200W thanks to X-Boost technology. 7x Faster AC charging?- X-Stream tech means that DELTA 2 charges 7 times faster than the competition. That??s 0?C80% in just 50 minutes and 0-100% in 80 minutes with AC input. Or go green without sacrificing speed?- Plug in portable solar panels and get up to 500W input to charge from anywhere in as fast as 3 hours. Built to last 6x 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. Control from anywhere?- Use the EcoFlow app to control your DELTA 2 from anywhere using Wi-Fi. Link with Bluetooth when off-grid. Either way, you can check charging data, customize settings and adjust the charging speed with ease. 5-year warranty?-?Unlock an extended 5-year warranty for worry-free experience. Click?here?to learn more about?DELTA?2 Smart Extra Battery.