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Custom SPH5K-48 5.0kW Single Phase Solar off grid inverter
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  • SPH5K-48 5.0kW Single Phase Solar off grid inverter
  • SPH5K-48 5.0kW Single Phase Solar off grid inverter
SPH Series Off Grid Inverter

SPH5K-48 5.0kW Single Phase Solar off grid inverter

  • The SPH5K-48 is a high-power model within the SPH series, specifically engineered to meet the electricity demands of entire households or small commercial premises. With a rated output power of 5.0 kW and a robust surge capacity of 7500 VA, it serves as the ideal core component for driving large appliances or inductive loads.
  • This device utilizes a 48V battery voltage system, achieving a conversion efficiency of up to 91% in battery mode—a feature that effectively extends the runtime of the energy storage system. Leveraging advanced DSP control technology, it generates a 120V pure sine wave output with extremely low distortion, thereby providing a safe and secure power supply for sensitive electronic equipment.
  • In terms of PV input capabilities, the SPH5K-48 pushes boundaries further, supporting a maximum PV array power of up to 6000W and a maximum charging current of 100A. Its MPPT controller maintains high-efficiency operation across a wide voltage range of 70–280 VDC, ensuring optimal energy harvesting even in cloudy or low-light conditions. Regarding its feature set, the unit not only supports a battery wake-up function but also facilitates deep integration with lithium battery BMS systems via an RS485 interface, thereby optimizing battery lifespan. The device employs an intelligent fan-based cooling system to ensure that temperature rise remains within safe limits, even during high-power operation. Combined with an optional cloud-based monitoring system and a configurable grid-feed function, the SPH5K-48 offers a comprehensive 120V off-grid system solution for users seeking high capacity and energy independence.
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Technical Parameters
Product Parameters
MODEL SPH5K-48
PV Array
Max.PV Array Power 6000W
MaxPV Array Open-Circuit Voltage 300VDC
Start-up Votage 60VDC
MPPT Operating Voltage Range 70-280VDC
MPPT Efficiancy 99%
Nominal Input Voltage 250VDC
Max. input Current MPPT 30A
Battery
Battery Type Li-ion/Lead-acid
Nominal Battery Voltage 48V
Battery Voltage Range 42-58V
Max.AC Charging Current 50A
Max.PV Charging Current 100A
Max.Continuous Discharging Current 120A
AC Input
Nominal Voltage 120Vac
Voltage Range 90-140Vac
Frequency 50/60Hz (Auto following)
High Loss Frequency 65Hz
Low Loss Frequency 45Hz
Max. input Current 50A
AC Output
Nominal Voltage 120Vac±5%
Output Voltage Waveform Pure Sine Wave
Rated Output Power 5000VA/5000W
Peak Output Power 7500VA
Nominal Output Frequency 50/60Hz
Transfer Time 10ms
Max.PV to AC Efficiency 96.5%
Max.Battery to ACEfficiency 91.0%
Protection
Over Temperature Protection Yes
Overload Protection 3s@≥150%load;10s@110%~150%load
General Data
Operating Temperature Range -10--+50℃
Safety Certification CE
Relative Humidity 0~95%Relative Humidity(Non-condensing)
Max.Operating Altitude <4000m
Cooling Method Intelligent Fan cooling
Display LED+LCD
Degree of Protection IP43
Warranty 2 years
Weight(kg) 8.4 
Dimension(W*H*Dmm) 363*105*300
Mounting Method Wall Mounted

Product specifications are subject to change without further notice. 

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Product Application
Applicable Fields
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  • OEM/ODM Solutions

    OEM/ODM Solutions

  • Residential Off-Grid Energy Storage

    Residential Off-Grid Energy Storage

  • Residential Grid-Tied Energy Storage

    Residential Grid-Tied Energy Storage

  • Commercial & Industrial Energy Storage Solutions

    Commercial & Industrial Energy Storage Solutions

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Zhejiang APsolway Technology Co., Ltd. Play Video
About Us
APsolway Technology
Altenergy Power System Inc. is a high-tech manufacturer specializing in power electronics. The company is publicly listed on the SSE STAR Market (Stock Code: 688348). Headquartered in Jiaxing, Zhejiang Province, it also operates a production base in the same city. To support its global reach, the company has established branches and subsidiaries in key international markets, including Texas (USA), Leipzig (Germany), Amsterdam (Netherlands), Brisbane (Australia), Paris (France), Mexico, and other major regions. Zhejiang APsolway Technology Co., Ltd., a subsidiary of Altenergy Power System Inc., focuses on residential energy storage solutions. As SPH5K-48 5.0kW Single Phase Solar off grid inverter Manufacturers, the company is dedicated to the research, development, and production of hybrid and off-grid inverters, offering single-phase, three-phase, and split-phase models ranging from 3 to 20 kW.
As a leading provider of residential solar energy storage solutions, SPH5K-48 5.0kW Single Phase Solar off grid inverter Factory in China, APsolway stands out with innovative designs and a range of unique, differentiated features. We also offer OEM/ODM services and can deliver fully customized solutions to meet our customers’ specific needs.
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