All-in-one inverter, charger, and automatic transfer switch in a single compact unit Pure sine wave output — 3,000VA / 2,400W continuous, 6,000W peak surge Sub-20ms automatic transfer from shore or generator power PowerAssist supplements shore/generator power with battery power during peak demand Wide AC input range: 95–140VAC, 45–65Hz 4-stage adaptive charging: Bulk, Absorption, Float, and Storage 70A charge output with built-in battery temperature compensation Dedicated 4A trickle charge output for starter or generator battery Programmable for Flooded, AGM, Gel, and Lithium-Ion battery profiles Scalable system design — parallel up to 6 units or configure for 3-phase and split-phase operation Compatible with Lithium-Ion battery systems including native BMS communication UL 1741 & UL 458 certified for North American installations