| Model | R-8KUS |
| PV input data |
| Max. PV input power (kW) | 12 |
| Max. PV input voltage (V) | 500 |
| Min. PV input voltage (V) | 120 |
| Start-up voltage (V) | 120 |
| MPPT voltage range (without battery)(V) | 120~500 |
| MPPT voltage range@full-load (V) | 150~430 |
| Rated PV input voltage (V) | 310 |
| No. of MPPT trackers | 4 |
| No. of strings per MPPT tracker | 1/1/1/1 |
| Max. input current per MPPT (A) | 14/14/14/14 |
| Max. short-circuit current per MPPT (A) | 22/22/22/22 |
  Battery input data |
| Battery type | Lithium-ion / Lead-acid |
| Max. charge / discharge power (kW) | 8 |
| Battery voltage range (V) | 40~60 |
| Rated battery voltage (V) | 48 |
| Max. charging / discharging current (A) | 190/190 |
| Rated charge / discharge current (A) | 190/190 |
| Battery charging strategy | Self-adaption to BMS |
| BMS communication | CAN |
| AC output data (grid side) |
| Rated output power (kW) | 8 |
| Max. apparent output power (kVA) | 8.8 |
| Rated grid voltage( (V) | 110-127/208-240V split phase, 240V single phase |
| Grid voltage range (V) | 192~288 |
| Rated grid frequency (Hz) | 60 |
| Grid frequency range(Hz) | 55 to 65 |
| Rated output current (A) | 33.3 |
| Max. AC output current (A) | 36.7 |
| Power factor | 0.8leading~0.8lagging |
| Max. grid passthrough current(A) | 100 |
| THDi | <3% |
| Grid type | 2L+N+PE |
| AC output data (load side) |
| Rated output power (kW) | 8 |
| Max. apparent output power (kVA) | 8.8 |
| Rated output voltage (L-N/L1-L2) (V) | 120/240 |
| Rated output frequency (Hz) | 60 |
| Rated output current (A) | 33.3 |
| Max. AC output current (A) | 36.7 |
| Peak output power | 110%,30s / 120%,10s / 150%,0.02s |
| Back-up switch time (ms) | <20 |
| THDu | <2% |
| Protection |
| Supported protection | Arc fault protection, PV reverse polarity protection, Anti-islanding protection, Ground fault protection
Leakage current protection, Insulation resistance detection, Backup output short circuit protection,
AC under-voltage protection, AC output over-current protection, AC over-voltage protection, |
| Surge protection | DC Type II / AC Type II |
| Over voltage category | DC Type II / AC Type III |
| Certifications and standards |
| Certificates | FCC Part 15 Class B; UL1741SA all options, UL1699B, CSA 22.2; IEEE1547 |
| General data |
| Ingress protection | IP65 / NEMA 3R |
| Operating temperature range (℃) | -25~+60 |
| Cooling | Fan cooling |
| Relative humidity | 0-95% |
| Operating altitude (m) | 0~4,000(Derating above 2,000 altitude) |
| Dimensions W*D*H (mm) | 450 x 820 x 240 |
| Weight (kg) | 47 |
| Topology (solar / battery) | Transformerless / Transformer |
| Noise emission (dB) | 48 |
| Display and communication |
| Display | Touch panel |
| Communication | RS485, 4G(optional), Wi-Fi |
