Description Technical Data Model: JNSG9KHF4810-A-V1, JNSG9KHF4815-A-V1, NSG9KHF4820-A-V1 PV input: maximum PV input voltage 250 VDC Recommended input power: 12000 W MPPT voltage range: 120~250 VDC Battery rated voltage: 48 VDC Maximum charge current: 240 A Efficiency: ≥97% Battery type and rated capacity: GEL/lithium & 10 kWh (JNSG9KHF4810-A-V1), GEL/lithium & 15 kWh (JNSG9KHF4815-A-V1), GEL/lithium & 20 kWh (NSG9KHF4820-A-V1) AC input voltage and frequency: three-phase power 208 VAC, 60 Hz (±3%) Maximum AC charge current: 180 A Switching time: ≤10 ms Inverter output rated capacity: 9000 VA (all models) Rated output power (linear load): 9000 W (all models) Output voltage: L-N 120 VAC, L1-L2-L3-N 208 VAC Rated frequency: 60 Hz (±3%) Standby loss: ≤30 W Maximum efficiency: 93% Waveform: sine wave Total harmonic distortion (THD): <3% Overload: 5 s at ≥150% load; 10 s at 110%~150% load Protection level: IP21 Audible noise: <60 dB Cooling method: forced cooling Operating temperature: -20~+50°C Storage temperature: -25~+70°C Status indicator: LCD+LED Interface: RS485/WiFi Altitude: 2000 m (>2000 m derating operate) Dimension (W x D x H): 674 x 1093 x 480 mm (JNSG9KHF4810-A-V1), 674 x 1291 x 480 mm (JNSG9KHF4815-A-V1), 674 x 1498 x 480 mm (NSG9KHF4820-A-V1) Weight: 201 kg (JNSG9KHF4810-A-V1), 281 kg (JNSG9KHF4815-A-V1), 350 kg (NSG9KHF4820-A-V1)