Custom SPH8.5K-48-SP 8.5KW Split-Phase Olar Off Grid Inverter
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SPH Series Off Grid Inverter

SPH8.5K-48-SP 8.5KW Split-Phase Olar Off Grid Inverter

  • SPH8.5K-48-SP 8.5kW Split-Phase olar off grid inverter is a high-power, split-phase off-grid inverter developed by APsolway. Tailored specifically for 120/240V±5% power systems, it is perfectly designed to meet the high-load electricity demands of North America and related regions. Its pure sine wave output delivers power quality comparable to that of the utility grid, effectively safeguarding the safe operation of sensitive electronic equipment.
  • In terms of PV performance, the SPH8.5K-48-SP features an advanced dual-MPPT input design, supporting a maximum PV array input of 5400W + 5400W (totaling 10.8kW) with an MPPT efficiency reaching up to 99%. Its wide MPPT operating voltage range (120–450 VDC) and a maximum open-circuit voltage of 500 VDC significantly enhance the system's energy harvesting efficiency.
  • A key highlight of this model is its support for battery-free operation, allowing loads to be powered directly by solar energy when sunlight is sufficient. Furthermore, the device features a built-in dust-proof kit designed to withstand harsh environments, and it supports remote smart monitoring via Wi-Fi or 4G connectivity. This product is fully compatible with both lithium-ion and lead-acid batteries, supporting BMS communication and automatic activation for lithium batteries.
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Technical Parameters
Product Parameters
MODEL SPH8.5K-48-SP
PV Array
Max. PV Array Power 5400W+5400W
Max. PV Array Open-Circuit Voltage 500VDC
Start-up Voltage 100VDC
MPPT Operating Voltage Range 120-450VDC
Nominal Input Voltage 360VDC
Max. Input Current MPPT 18A*2
MPPT max Efficiency 99%
Battery
Battery Type Li-ion/Lead-acid
Nominal Battery Voltage 48V
Battery Voltage Range 41-58V
Max.AC Charging Current 70A
Max.PV Charging Current 160A
Max.Continuous Discharging Current 180A
AC Input
Nominal Voltage 120Vac±5%/240Vac±5%
Voltage Range 170-275VAC
Frequency 50/60Hz(Auto following)
Max. Input Current 40A
AC Two-Load Output
Nominal Voltage 120Vac±5%/240Vac±5%
Output Voltage Waveform Pure Sine Wave
Full Load 8500VA
Max.Main Load 8500VA
Max.2nd Load 8500VA
Max.Load Cut Off Voltage (battery mode) 54VDC(adjustable)
Max.Load Return Voltage (battery mode) 54V DC(adjustable)
Peak Output Power 1000VA
Nominal Output Frequency 50/60Hz
Transfer Time 10ms
Efficiency (peak)PV to INV 97.0%
Efficiency (peak)BAT to INV 94.0%
General Data
Operating Temperature Range -10--+50℃
Relative Humidity 0~95%
Max.Operating Attitude <4000m
Cooling Method Intelligent Fan cooling
Display LED+LCD
Communication with BMS RS485
Communication with Cloud WIF/4G
Degree of Protection IP43
Waranty 2 years
Weight(kg) 11 
Dimension(W*H*Dmm) 389*105*310
Mounting Method Wall Mounted

Product specifications are subject to change without further notice.

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Product Application
Applicable Fields
Read More
  • 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

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 SPH8.5K-48-SP 8.5KW Split-Phase Olar 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, SPH8.5K-48-SP 8.5KW Split-Phase Olar 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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