SAMLEX's EVO-4024 Evolution series 4000 W pure sine inverter / charger, pure sine wave inverter, adaptive battery charger, transfer relay—all in one unit. Samlex Evolution series inverter / chargers provide reliable AC power wherever it’s needed. For use with boats, RVs, cabins, and specialty vehicles, as well as alternative energy, backup, and emergency power applications. Using state-of-the-art technology, the Samlex EVO inverter / charger operates at 165 million instructions per second with lightning fast load and response times, has nine points of physical protection monitoring (being scanned up to 10,000 times per second) to detect fault conditions and protect itself in a vast range of adverse environments. The EVO-4024 is a 4000 W pure sine inverter, 24 VDC input, 120 VAC output, 50 / 60 Hz. It intelligently integrates a 110 A 4 stage battery charger and a 70 A transfer relay into an advanced and affordable off-grid power solution.