Home ESS Off Grid Solar Energy Storage System for Household 
Introduction of Solar - powered Household Energy Storage System
The solar - powered household energy storage system is an innovative energy - solving solution, which mainly consists of solar panels, energy - storage batteries, inverters and charge controllers.
Solar panels are responsible for collecting solar energy and converting it into direct current. These panels are usually installed on the roof or in sunny areas around the house. Their conversion efficiency varies depending on materials and technologies. However, modern high - quality panels can effectively capture solar energy.
Energy - storage batteries are the key components of the system and are used to store the electrical energy generated by solar panels. Common energy - storage batteries include lead - acid batteries and lithium - ion batteries. Lithium - ion batteries are widely used in many high - end systems due to their high energy density, long lifespan and low self - discharge rate. The energy - storage batteries can store the excess electrical energy generated by solar panels during the day so as to provide power for households at night or when there is insufficient sunlight.
The inverter is a device that converts the direct current in the energy - storage batteries into alternating current. Since most household electrical appliances use alternating current, the inverter enables the stored electrical energy to be compatible with household electrical equipment such as televisions, refrigerators and washing machines.
The charge controller is mainly used to manage and control the charging process of the energy - storage batteries by solar panels. It can prevent the batteries from over - charging and over - discharging, extend the service life of the batteries and optimize the charging efficiency at the same time.
The solar - powered household energy storage system can make households more independent of the traditional power grid and provide backup power in case of power outages or grid failures. Moreover, it helps to reduce households' dependence on traditional fossil fuels, cut energy costs and also makes a positive contribution to environmental protection, because solar energy is a clean and renewable energy.
5 KW Off Grid Solar System(Wall mount lithium battery)
System configuration:
1.Solar panel 550Watt * 6pcs, including Mounting brackets
-Top brand LONGi half cell Hi-MO series 550W Solar panel.
-Based on M10 wafer, best choice for ultra-large power plants.
-Advanced module technology delivers superior module efficiency.
-Excellent outdoor power generation performance.
-High module quality ensures long-term reliability.
2.Wall Mount Lithium Battery SNW51.2V-200Ah*1set
(1).Wall-hanging installation, save space
(2).Multiple in parallel, easy for expand,Automatic addressing, no need to dial a code
(3).Standard configuration with LCD display, real time knowing battery status, Screen direct selection of inverter communication
(4).Environmentally friendly non-polluting materials, free of heavy metals, green and environmentally friendly
(5).Standard cycle life is more than 5000 times
3. Wall Mount Lithium Battery SNW51.2V-200Ah*1set
(1).Wall-hanging installation, save space
(2).Multiple in parallel, easy for expand,Automatic addressing, no need to dial a code
(3).Standard configuration with LCD display, real time knowing battery status, Screen direct selection of inverter communication
(4).Environmentally friendly non-polluting materials, free of heavy metals, green and environmentally friendly
(5).Standard cycle life is more than 5000 times
| Model |
SNW51.2-200W |
| Nominal voltage(V) |
51.2V |
| Nominal capacity(Ah) |
200 |
| Nominal energy capacity(kwh) |
10.24 |
| Operating voltage range(V) |
44.8~58.4 |
| Recommended charging voltage(V) |
55.2V |
| Recommended discharge cut-off voltage (V) |
48 |
| Standard charging/discharging current(A) |
0.5C |
Maximum continuous charging/
discharging current(A) |
1C(Customizable)
|
| Applicable temperature (C) |
-30~60(Recommended10~35) |
| Permissible humidity range(%RH) |
<85 |
| Storage temperature (C) |
-20~65(Recommended10~35) |
| Protection level |
1P20 |
| Cooling method |
Natural air cooling/intelligent fan |
| Maximum size(D*W*H)mm |
682*465*276 |
| Weight(kg) |
93 |
4.Inverter with MPPT controller 5.5KW/48V inverter *1 set
5.5kva Hybrid Inverter
Performance characteristics:
(1).Three output modes
When the grid-connected function is enabled, grid-connected power generation or anti-reverse-current can be set, and it can
also be set to off-grid output mode
(2).Four charging modes
Mains priority charging, solar priority charging, mains solar hybrid charging and solar only charging.
(3).Emergency function
Support battery-free output and only PV start and load, with battery activation function.
(4).The host computer and the APP cloud communication
The host computer and the APP cloud can display the operating data and status of the system in real time and control and
modify the parameters.
(5).Parallel function
It can be flexibly combined to achieve up to 9 parallel machines, and the parallel system can output single-phase and
three-phase AC voltage.
(6).Protection function
Perfect hardware and software protection function, can display the fault type for easy removal.
| Model |
GST48-5500 VII |
| AC Output |
| Rated output power(W) |
5500 |
| Max output power(W) |
10000 |
| Rated AC output |
230VAC or customized(200/208/220/240),50/60HZ |
| Output wave |
Pure sine wave |
| Switchover time(ms) |
10(typical) |
| Max paralleled machines |
9 |
| Max battery inverter efficiency |
93% |
| Overload protection |
102%~110%, 5min; 110~125%, 10s; >125%, 2s |
| Battery |
| Battery type |
Lithium/Lead acid/Customized |
| Rated battery voltage(VDC) |
48 |
| Battery voltage range(VDC) |
40~60 |
| Max MPPT charging current(A) |
100 |
| Max Grid charging current(AC) |
60 |
| Max Hybrid charging current(A) |
100 |
| Charging current tolerance(ADC) |
±3 |
| Charging circuit protection |
fuse |
| Solar PV |
| MPPT quantity |
1 |
| Maximum PV Power(W) |
5500 |
| Maximum PV Input Current(A) |
22 |
| Max open circuit voltage(V) |
500 |
| MPPT Working range(VDC) |
120~450 |
| MPPT tracking efficiency |
99.9% |
| Grid AC Input |
| Input voltage range(VAC) |
90~280/170~280 |
| Frequency range(Hz) |
50/60±3 |
| Output short circuit protection |
Breaker |
| Bypass overload current(A) |
40 |
| Specification |
| Size(Depth*Width*Height) mm |
130*350*455 |
| Weight(kg) |
12 |
| Waterproof degree |
IP20 |
| Working temp.(C) |
-10~55 |
| Storage temp.(C) |
-25~60 |
| Noise(dB) |
<60 |
| Heat Dissipation |
Forced air cooling(variable speed of fan) |
| COMMUNICATION |
| Embedded interface |
RS485 / CAN / USB / Dry contact |
| External module |
WIFI/GPRS |
| CERTIFICATION |
| Safety |
CE(IEC62109-1) |
| EMC |
EN61000 |
| Note: Above data are subject to change without notice. Special voltage could be customized. |
5. PV cable and connectors for system
PV cable-
1),2pcs 16mm2*2M battery cable
2),4mm2 PVcable 100M
3),1P 63A Battery switch and box
Battery switch and box
Application Cases:
Package for shipping:
Audited Supplier 
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