All-in-One Home Energy Storage System | Hybrid Solar Battery ESS

SUN7.2U-15-US 7.2kW | 15kWh | 120(L1/N, L2/N) 240Vac(L1/L2)

Model	SUN7.2U-15-US
Total Energy [kWh]	15
Power [kW]	7.2
Battery Type	LiFePO4 Battery
MPPT Voltage Range	90Vdc~450Vdc
Output Voltage	120(L1/N, L2/N) 240Vac(L1/L2)
Dimension[W×DxH,mm]	530x250x870
Net Weight [Kg]	140

all in one ESS

The SUNESS All-in-One ESS is a residential solar battery storage solution integrating a hybrid inverter, LiFePO₄ battery, and smart BMS into a single unit. Available in 3.5kW and 7.2kW configurations, it supports solar self-consumption, backup power, intelligent energy management, and reliable home energy storage with fast installation and long battery life.

Model	SUN3.6U-5-US	SUN7.2U-15-US
Rated Power / Battery Capacity	3.6 kW / 5 kWh	7.2 kW / 15 kWh
DC Input (PV)
Max. Input Power	6000 W	4500 W + 4500 W
Max. Input Voltage	500 Vdc	500 Vdc
PV Operating Voltage Range	90–500 Vdc	90–500 Vdc
MPPT Voltage Range	90–450 Vdc	90–450 Vdc
Number of MPPTs	1	2
Strings per MPPT	1	1
Max. MPPT Input Current	27 A	16 A + 16 A
Battery Parameters
Battery Capacity	5 kWh	15 kWh
Battery Type	LiFePO₄	LiFePO₄
Rated Battery Voltage	25.6 V	51.2 V
Battery Voltage Range	22.4–28.8 V	44.8–57.6 V
Max. Charge / Discharge Current	80 A	120 A
Max. Charge / Discharge Current (Grid + PV)	120 A	150 A
Cycle Life	>6000 Cycles @ 80% DOD, 25°C, 0.5C, 60% EOL	>6000 Cycles @ 80% DOD, 25°C, 0.5C, 60% EOL
AC Input (Grid)
Rated Input Voltage	120 Vac ±5%	120 V (L1/N, L2/N) / 240 Vac (L1/L2)
Input Voltage Range	90–140 Vac ±2%	85–140 Vac ±2%
Rated Grid Frequency	50 / 60 Hz	50 / 60 Hz
Charging Voltage Range	40–60 V	40–58.5 V
Maximum Bypass Current	40 A	2-Pole, 40 A / 40 A (L1/L2)
Maximum Efficiency	>95%	>95%
AC Output (Load)
Rated Output Power	3600 W	Split Phase: 7200 WSingle Phase: 6000 W
Max. Output Apparent Power	7200 VA	Split Phase: 12000 VASingle Phase: 10000 VA
Output Voltage	120 Vac ±5%	120 Vac ±5% (L1/N, L2/N)240 Vac ±5% (L1/L2)
Output Frequency	50 Hz ±0.3 Hz / 60 Hz ±0.3 Hz	50 Hz ±0.3 Hz / 60 Hz ±0.3 Hz
Max. Output Current	30 A	Split Phase: 30 ASingle Phase: 50 A
UPS Switching Time	<10 ms	<10 ms
General Parameters
Operating Temperature	-10°C ~ +55°C	-10°C ~ +55°C
Relative Humidity	0–98% RH (Non-condensing)	0–98% RH (Non-condensing)
Max. Operating Altitude	≤2000 m	≤2000 m
Protection Rating	IP21	IP21
Cooling Method	Intelligent Air Cooling	Intelligent Air Cooling
Display	LCD + WiFi	LCD + WiFi
Noise	≤60 dB	≤60 dB
Communication	CAN	CAN
Installation	Wall-Mounted / Floor-Standing	Wall-Mounted / Floor-Standing
Certifications	UN38.3 / UL	UN38.3 / UL
Dimensions (W × H × D)	375 × 671 × 255 mm	510 × 835 × 390 mm
Weight	55 kg	140 kg

SUN 3600 3.6kW | 8kWh | 220/230/240VAC

SUN7.2U-15-US 7.2kW | 15kWh | 120(L1/N, L2/N) 240Vac(L1/L2)