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EP3 Series – Single-Phase All-in-One Residential ESS (3–6kW)
The EP3 Series is a compact all-in-one single-phase residential energy storage system, available in 3–6kW configurations. It seamlessly integrates a hybrid inverter, Battery Management System (BMS), Energy Management System (EMS), and an optional EV charger into one sleek unit.
Equipped with dual MPPTs, IP65-rated outdoor-ready protection, and smart connectivity (Wi-Fi/4G), the EP3 Series supports plug-and-play installation, enabling rapid deployment in smart homes. Ideal for solar energy optimization, backup power, and grid-tied/self-consumption scenarios.
| Module | EP3-3K-S2-W/G-PX | EP3-3.6K-S2-W/G-PX | EP3-4K-S2-W/G-PX | EP3-4.6K-S2-W/G-PX | EP3-5K-S2-W/G-PX | EP3-6K-S2-W/G-PX |
| DC Input | ||||||
| Max.PVArray Power [Wp]@STC | 6000 | 7200 | 8000 | 9200 | 10000 | 12000 |
| Max.DC Voltage [V] | 600 | |||||
| MPPTVoltage Range [V] | 90~550 | |||||
| Rated DCVoltage [V] | 360 | |||||
| Start Voltage [V] | 100 | |||||
| Max.DC Input Current [A] | 20/20 | |||||
| Max.DC Short Circuit Current [A] | 25/25 | |||||
| No.of MPPT | 2 | |||||
| AC Output/nput [On-grid] | ||||||
| Rated AC Power [W] | 3000 | 3600 | 4000 | 4600 | 5000 | 6000 |
| Max.Apparent Power[VA] | 3300 | 3600 | 4400 | 4600 | 5500 | 6000 |
| Rated Output Current [A]@230Vac | 13.0 | 15.7 | 17.4 | 20.0 | 21.7 | 26.1 |
| Max.Output Current [A] | 14.3 | 15.7 | 19.1 | 20.0 | 23.9 | 27.3 |
| Max.Input Current [A]@230Vac | 54.5 | |||||
| Rated ACVoltage/Range [V] | L+N+PE,220,230,240/180～280 | |||||
| Rated Output Frequency/Range [Hz] | 50,60/45～55,55～65 | |||||
| Power Factor [cos φ] | 0.8 leading～0.8 lagging | |||||
| Total Harmonic Distortion [THDi] | <3% | |||||
| Battery Parameters | ||||||
| Battery Type | LiFePO4 | |||||
| Battery Voltage Range[V] | 380～500 | |||||
| Max.Charging/Discharging Current [A] | 15.8/9.2 | 15.8/10 | 15.8/12.4 | 15.8/12.9 | 15.8/15.2 | 15.8/16.8 |
| Scalability | BU3-5.0-TV2-PRO(up to 8 battery modules) | |||||
| AC Output [Back-up] | ||||||
| Rated Output Power [W] | 3000 | 3680 | 4000 | 4600 | 5000*** 6000 | |
| Peak Output Apparent Power [VA] Rated Output Frequency/Range [Hz] | 3600,60s | 4416,60s | 4800,60s | 5520,60s | 6000,60s | 7200,60s |
| Rated AC Voltage/Range [V] | L+N+PE,220,230,240/180～280 | |||||
| Rated Output Frequency/Range [Hz] | 50,60/45～55,55～65 | |||||
| Output THDv(@Linear Load) | <3% | |||||
| Efficiency | ||||||
| Max.Efficiency | 97.6% | |||||
| Euro Efficiency | 97.2% | |||||
| Protection | ||||||
| Battery Input Reverse Polarity Protection | Integrated | |||||
| Over load Protection | Integrated | |||||
| AC Short Circuit Current Protection | Integrated | |||||
| AC Overcurrent Protection | Integrated | |||||
| AC Overvoltage Protection | Integrated | |||||
| DC Surge Protection | Type ll | |||||
| AC Surge Protection | Type ll | |||||
| Anti-islanding Protection | Integrated | |||||
| AFCI Protection | Integrated | |||||
| Interface | ||||||
| PV Connection | MC4/D4 | |||||
| AC Connection | Plug-in connector | |||||
| Battery Connection | Quick connector | |||||
| Display | LED+APP | |||||
| Communication | Wi-Fi/Ethernet/4G(Optional) | |||||
| General Parameters | ||||||
| Topology | Non-isolated | |||||
| Operating Temperature Range | -30℃~+50℃ | |||||
| Cooling Method | Natural Convection | |||||
| Relative Humidity Range | 0-100%Non-condensing | |||||
| Max.Operating Altitude [m] | 3000 | |||||
| Noise [dBA] | <35 | |||||
| Ingress Protection | IP65 | |||||
| Inverter Dimensions [H*W*D][mm] | 400*695*170 | |||||
| Battery Dimensions [H*W*D][mm] | 420*695*170 | |||||
| Inverter Weight [kg] | 27.5 | |||||
| Battery Weight [kg] | 53.0 | |||||
| Standard | EN 62109-1/2,EN61000-6-2/4,EN 50438,EN 50549,C10/11,IEC 62116,IEC61727,RD 1699,RD 413,UNE 206006,UNE 206007, NTS,CEI 0-16,CEI 0-21,AS4777.2,NBR 16149,NBR 16150 VDE-AR-N 4105,VDE 0126-1-1 | |||||
| Charger Model | CU2-7.4K-S-I | |||||
| Output Voltage [VAC] | 230,±20% | |||||
| Max.output Current [A] | 32 | |||||
| Rated Output Power [kW] | 7 | |||||
| Power Consumption(standby)[W] | 7 | |||||
| Dimension [mm][H*W*D] Weight [kg] | 160*695*170 9 | |||||
| Working Temperature | -30℃to+50℃ | |||||
| Ambient Humidity | 5-95%non-condensing | |||||
