Harness the power of the sun to generate your electricity and provide security during power outages. The BPS-1250-S solar package is engineered to allow you to create and use your own energy to power household appliances. Plus, each unit acts as an ultra-quiet emergency backup system that monitors your utility companys electric power 24/7. U.S.A. Plug & Play — no installation of power system required. Application: Household appliances, Watts: 1250 running watts; 1875 watts for up to 15 seconds; 2500 surge watts for up to 10 seconds, LED Light: 6, Material: 120 Watt photovoltaic panel, Panels (qty.): 2, Battery Type: 220Ah batteries, Battery Included: Yes In the event of a power outage, the built-in automatic transfer switch provides backup emergency power and recharges with the power of the sun; no additional transfer switch required unless using in conjunction with a generator Energy is stored in 2 powerful 220Ah batteries, then converted to AC electricity by the systems inverter charger Converts 12V DC to 120V AC @ 60 Hz Battery charge rate 3-stage, 30 Amp battery charger Quality modified sine wave output 6 LEDs for continuous status information 2 NEMA 5-15R output 110 AC receptacles Charges batteries with solar or utility power Two 120 Watt photovoltaic panel units (solar panels)