The Duracell® PowerSource 1800 is the ideal emergency backup power solution for the home or office. During a power outage, it automatically supplies emergency backup power for a small office and household appliances like a refrigerator, TV, lights or sump pump. In an emergency, the Duracell PowerSource 1800 switches seamlessly to its built-in battery and provides 1800 Watts of household power, supplying up to 12 hours of uninterrupted backup power for a small office, or up to 4 hours of run time for essential home appliances and electronics. Watts: 1,800, Compatible With: Electronic Products, LED Indicators: Yes, Battery Type: 60ah AGM, Recharge Time (hours at amps): 12, Built in Inverter: Yes, GFCI Protection: Yes, Dimensions L x W x H (in.): 19 x 28 x 10 5/16 Provides portable backup and emergency power to keep essential home appliances, emergency power electronics and full-size office equipment running during power outage Powers small office devices for up to 12 hours Powers essential home appliances and small electronics for up to 4 hours Built-in automatic transfer switch and surge protection Automatically recharges internal battery when electricity is restored Provides constant surge protection Overload and over-temperature protection