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Home energy storage system- EP3 Single Phase All In One Solution | EPOTR

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.

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Technical specification

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 [HWD][mm]	400695170
Battery Dimensions [HWD][mm]	420695170
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][HWD] Weight [kg]	160695170 9
Working Temperature	-30℃to+50℃
Ambient Humidity	5-95%non-condensing