12 Volt, 2000 Watt, Power Inverter for powering AC. Inverts a 12V Lion Energy lithium battery to power household electronics that require 120V AC (typical home wall plug). This professional grade pure sine wave inverter takes DC power (the power that comes from batteries or solar panels) and transforms it into AC power. Great for most off-the-grid vehicles, mid sized RVs, boats, sprinter/camper vans, trailers, and job sites for charging power tools, The recommenced battery size for this inverter is a UT 1300 - 105 Ah Lion Energy Lithium battery or larger