Description Technical Specifications Model: jnsg6khf4810-a0-v1, jnsg6khf4815-a0-v1, or NSG6KHF4820-A0-V1. Pv input: maximum pv input voltage 250 vdc. Recommended input power: 8000 w. Mppt voltage range: 120 to 250 vdc. Battery: rated voltage 48 vdc. Maximum charge current: 160 a. Efficiency: greater than or equal to 97%. Battery type and rated capacity: gel/lithium with 10 kwh, 15 kwh, or 20 kwh. Ac input: voltage and frequency l-n-l (l-n 120 v, l-l 208 v), 60 hz (±3%). Maximum ac charge current: 80 a. Switching time: less than or equal to 10 ms. Inverter output: rated output capacity 6000 va. Rated output power (linear load): 6000 w. Output voltage: l-n 120 vac, l-l 208 vac. Rated frequency: 60 hz (±3%). Standby loss: less than or equal to 20 w. Maximum efficiency: 93%. Waveform: sine wave. Total harmonic distortion (thd): less than 3%. Overload: 5 s at greater than or equal to 150% load; 10 s at 110% to 150% load. General Specifications Protection level: ip21. Audible noise: less than 60 db. Cooling method: forced cooling. Operating temperature: -20 to +50 °c. Storage temperature: -25 to +70 °c. Status indicator: lcd + led. Interface: rs485 / wifi. Altitude: 2000 m (derating operation above 2000 m). Dimensions (w x d x h): 674 x 895 x 480 mm (jnsg6khf4810-a0-v1), 674 x 1093 x 480 mm (jnsg6khf4815-a0-v1), 674 x 1291 x 480 mm (NSG6KHF4820-A0-V1). Weight: 172 kg (jnsg6khf4810-a0-v1), 201 kg (jnsg6khf4815-a0-v1), 230 kg (NSG6KHF4820-A0-V1).