PWRINV500012W Introducing the AIMS Compact 5000 Watt Modified Sine Wave Power Inverter. Over the past 10 years, AIMS has been constantly improving this product. With this newest upgrade, they have created an industry standard. This inverter is smaller and lighter than the original AIMS 5000 Watt Modified Sine Inverter. This inverter replaces PWRINV5000W. This unit weighs only 16 lbs. and is only 17 inches long, which means it has a considerably smaller footprint then the previous best selling AIMS 5000 Watt inverter. This New AIMS 5000 Watt Compact Power Inverter also has 2 other major changes. First, it only has one set of DC input terminals on the DC side. Eliminating the need for Jumpers or multiple sets of cables. Second, the Direct Connect AC terminal block has been repositioned on the unit. This change was made to give the user a better view of the Meters on the unit. AIMS did a great job upgrading this unit. The best part is that the unit cost has not changed, it is still the best value available in this size power inverter. This is a great whole-house inverter or large RV or toy hauler inverter. This inverter replaces PWRINV5000W.