The LANDERPOW 3000W is a strong step up if you need serious continuous power with a 6000W surge for high-startup appliances. I like the outlet variety, the included pure copper battery cables, and the remote monitoring that helps you manage power more precisely.
Pros
+3000W continuous with 6000W surge for demanding appliances
+Pure sine wave output helps protect sensitive electronics
+Multiple outputs: AC outlets, hardwire terminal, USB-C PD, and USB-A
+Includes 1 AWG pure copper battery cables for safety and efficiency
+Built-in protections for voltage, overload, short circuit, overheating, and reverse polarity
+3-year coverage mentioned
Cons
-12V high-watt systems can require heavy cabling and strong battery capacity