Adopts super large toroidal transformer design, durable and stable. Built-in MPPT high-efficiency charge controller, more efficient charging. PV charge efficiency can reach 99.8% max. Optional WIFI/ ETHERNET/ GPRS communication, more intelligent monitoring operation. Pure sine wave output is suitable for a variety of load types. Compatible with lead-acid batteries, ternary lithium, lithium iron phosphate and other battery types. With an ultra wide operating voltage range for photovoltaic arrays.