Home Use Solar Energy System 3KW 3.5KW 5KW 5.5KW 8KW 10KW Hybrid Off Grid Full Set Solar Solar Energy Storage System

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Product Attribute

Specification Parameters STS33248 STS35224 STS55248 STSPI8KS STSPI10KSP
Item No STS33248 STS35224 STS55248 STSPI8KS STSPI10KSP
Rated Output Power 3300W 3500W 5500W 8000W 10000W
Load Motor Capability 2HP 2HP 4HP 5HP 6HP
Rated Output Voltage 230VAC, 50Hz/60Hz
Inverter Output Efficiency >92% >90% >90% >92% >92%
Max. PV Input Voltage(Voc) 145VDC 500VDC 500VDC 500VDC 500VDC
MPPT Tracking Voltage Range 60V-115VDC 120V-450VDC 120V-450VDC 125V-425VDC 125V-425VDC
Max PV Input Current 40A 13A 22A 22/22A 22/22A
Battery Voltage 48VDC 24VDC 48VDC 48VDC 48VDC
AC Input Voltage 170~280VAC, 50Hz/60Hz 90~275VAC, 50Hz/60Hz
Max. AC Charge Current 60A 80A 60A 100A 120A
Max. PV Charge Current 60A 80A 100A 180A 200A
Product Size(mm) 378x280x103 378x280x103 426x322x126 620x445x130 620*445*130
Warranty 3 Years
Specification Parameters STS55248B STS30224U STS50248U STSPI8KU STSPI10KU
Item No STS55248B STS30224U STS50248U STSPI8KU STSPI10KU
Rated Output Power 5500W 3000W 5000W 8000W 10000W
Load Motor Capability 4HP 2HP 4HP 5HP 6HP
Rated Output Voltage 230VAC, 50Hz/60Hz 120VAC, 50Hz/60Hz
Inverter Output Efficiency >92% >91% >90% >92% >92%
Max. PV Input Voltage(Voc) 500VDC 108VDC 500VDC 500VDC 500VDC
MPPT Tracking Voltage Range 120V-450VDC 30V-85VDC 120V-450VDC 125V-425VDC 125V-425VDC
Max. PV Input Current 22A 40A 18A 22/22A 22/22A
Battery Voltage 48VDC 24VDC 48VDC 48VDC 48VDC
AC Input Voltage 170~280VAC, 50Hz/60Hz 90~140VAC, 50Hz/60Hz
Max. AC Charge Current 60A 40A 40A 100A 120A
Max. PV Charge Current 100A 60A 80A 180A 200A
Product Size(mm) 426x322x126 378x280x103 426x322x126 620x445x130 620x445x130
Warranty 3 Years

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Frequently Asked Questions

What is the difference between 24V and 48V battery systems for these inverters?

The battery system voltage (24VDC or 48VDC) is matched to the inverter's power capacity. Generally, lower capacity models (like STS30224U) utilize a 24V system, while higher output capacity models (like STS55248 or STSPI10KSP) are engineered for 48V systems to handle larger currents safely and with greater efficiency.

Can these solar inverters run without a battery connected?

Models with a High PV Input Voltage capacity (Voc up to 500VDC) support battery-less operations. They can directly supply power from the solar arrays to your loads. However, utilizing a battery is highly recommended if you require reliable backup power during night-time or grid outages.

What does the "Load Motor Capability" specification signify?

Load Motor Capability refers to the maximum inductive motor load (such as air conditioners, pumps, or compressors) that the inverter can safely startup and run. For example, a 4HP rating means the system is designed to handle the high start-up currents associated with motors up to 4 horsepower.

What is the MPPT tracking voltage range and why is it important?

The MPPT (Maximum Power Point Tracking) range defines the DC voltage boundaries within which the solar charge controller optimizes energy harvest from your PV panels. Operating the solar panel strings within this designated voltage range ensures maximum solar conversion efficiency.

How long is the product warranty, and what does it cover?

These hybrid inverters come with a standard 3-year warranty. The warranty covers manufacturing defects, internal component failures, and system malfunction under standard operation guidelines. Technical assistance is available during the warranty period.

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