BJ -VH -24-3.5SE HYBRID ENERGY STORAGE INVERTER Model: 3.5kW Nominal Voltage: 220/230/240VAC Frequency Range: 50Hz/60Hz Product Snapshow Battery Optional On&Off Grid Wi-Fi Function Hybrid Operation With battery connected Without battery connected Key Features Hybrid solar inverter(on/off grid inverter). Output power factor PF=1.0. On-grid with energy storage. Configurable AC/Solar Charger priority via LCD setting. Smart battery charger design for optimized battery performance. Compatible to mains voltage or generator power. Overload ,Over temperature ,Short circuit protection ,Fault record ,History record. External WIFI devices. Parallel operation with up to 9 units. 3.5kw parallel connection Single phase output up to 31.5Kw using 9 units Three phase output using either 3 units( 10.5KW ) or max 9 units( 31.5kw)