The 15kw off grid solar system can be suitable for both residential use and commercial use. The output voltage can be single phase or three phase.
Inverter power: 3pcs 5kW inverter in parallel
AC output voltage: AC220V/230V/240V or AC380V/400V/415V
Battery voltage: DC48V
Battery type: Gel battery or LiFePO4 battery
Solar panel type: Mono or poly
Compatible with grid and generator
Monitor: WIFI or GPRS
15kw solar off grid system configuration for your reference
No
item
quantity
1
mono 400w
18pcs
2
PV structure(C type galvanized steel or aluminum alloy)
1set
3
PV combiner box(3 inputs, 1 output)
3pcs
4
solar inverter with built-in MPPT controller
3pcs 5kw in parallel
5
LiFePO4 battery(51.2v100ah)
6pcs in parallel
6
MC4 connector
18pcs
7
PV cables(solar panel to PV combiner box) 4mm2
300m
8
BVR cables(PV combiner box to inverter) 10mm2
60m
9
BVR cables(battery to inverter) 25mm2
30m
Solar panel power and battery capacity can be customized based on your daily load consumption, backup hours and site location(solar irradiance figure).
Main components introduction
 |
mono or poly solar panels, grade A cells, with excellent low irradiance performance and excellet PID resistance |
 |
mounting structure for solar panels, gavalnized steel or aluminum alloy, roof type or ground type. It can be designed based on your needs |
 |
PV combiner box, 3 inputs, 1 output, with DC breaker, SPD and fuse. 500V, IP65 protectiong grade |
 |
5kW solar inverter with built-in mppt controller, compact high frequency type, suitable for both gel battery and lithium-ion battery. Different working modes can be set on the machine. 3pcs 5kW in parallel to get single phase 220V or three phase 380V. |
 |
51.2V100AH lithium-ion battery, 48V is also available. Wall mounted or rack type can be optional. Grade A cells, long lifespan with perfect protection function |
 |
PV cables, Stranded tinned copper, UV resistant outshell. |
How to choose one suitable solar off grid system?
1, confirm the inverter voltage and inverter power based on your loads
2, confirm if the system is totally off grid or with grid/generator as backup
3, confirm solar panel power based on your daily load conumption and solar irradiance figure
4, confirm battery type and battery backup hours
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