Growatt SPF 3500 ES 3.5 kW single-phase off-grid inverter/charger, 48 V, 80 A MPPT

The Growatt SPF 3500 ES is a single-phase off-grid inverter with an integrated battery charger. It supplies pure-sine-wave AC power, can operate without a battery and supports compatible lithium, lead-acid and gel batteries.

Power and charging

• Rated output: 3500 VA / 3500 W; surge power: 7000 VA.
• Battery system: 48 V; maximum solar charging current: 80 A; maximum AC charging current: 60 A.
• Maximum PV array power: 4500 W; maximum PV open-circuit voltage: 450 V DC.
• MPPT operating range: 120–430 V DC.
• Selectable AC input range: 170–280 V AC for computers or 90–280 V AC for household appliances.
• Transfer time: 10 ms in computer mode or 20 ms in appliance mode; peak efficiency: 93%.

Installation data

• Up to six compatible units can be connected in parallel.
• Dimensions: 330*485*135 mm; weight: 11.5 kg; protection rating: IP20.
• Operating temperature: 0 °C to +55 °C; storage temperature: -15 °C to +60 °C; relative humidity: 5–95%.
• Warranty: 24 months, subject to the supplier's installation and documentation conditions.