A 1800W AC output means you can power more than 90% of your home appliances. With a capacity of 1kWh to start with, you've got enough energy for your essentials for hours on end. DELTA 2 950's built-in battery management system regulates vitals to keep it safe, secure, and built to stand the test of time. Use as an EPS (emergency power supply) to auto-switch to battery power when the grid goes down.