Solis S6-EO1P(4-5)K-48-EU Low Voltage Off-Grid Energy Storage Inverter

  • Category: Solis Hybrid Inverter
  • Features
  • The Solis S6-EO1P(4-5)K-48-EU is a high-efficiency single-phase off-grid energy storage inverter designed for residential and small-scale backup power systems. Compatible with 48V lithium and lead-acid batteries, it supports PV, battery, grid, and generator integration for flexible energy management. With up to 5kW output power, 100A battery charging/discharging current, fast UPS switching, and parallel operation of up to 6 units, it delivers reliable power supply, enhanced energy independence, and optimized renewable energy utilization.

Product Description

S6-EO1P(4-5)K-48

The Solis S6-EO1P(4-5)K-48-EU is a high-performance single-phase low-voltage off-grid energy storage inverter designed for residential and small-scale energy storage applications. Combining solar charging, battery management, inverter output, and backup power functions, it provides a flexible and reliable energy solution for homes, cabins, and off-grid systems.

Supporting 48V low-voltage batteries, lithium-ion and lead-acid battery compatibility, and multiple energy input sources including PV, grid, and generators, the inverter ensures stable power supply even during grid outages.

With intelligent energy management, flexible charging/discharging settings, and parallel operation capability, the S6-EO1P(4-5)K-48-EU helps users maximize renewable energy utilization while improving energy independence.

Product Features

Flexible Off-Grid Energy Solution

Designed for single-phase off-grid and backup power applications

Supports PV, battery, grid, and generator energy sources

Compatible with 48V lithium-ion and lead-acid batteries

Provides reliable power supply during grid failures

Supports generator connection to extend backup duration
Powerful Solar Charging Capability

Supports up to 5.5kW PV input for 4kW model and 6.5kW PV input for 5kW model

Built-in MPPT solar charger with wide voltage range

Maximum solar charging current up to 100A

Supports dual PV string inputs for flexible system design

Intelligent Battery Management

Supports lithium-ion and lead-acid battery types

Maximum charge/discharge power up to 5kW

Maximum charge/discharge current up to 100A

Supports CAN communication for intelligent battery management

Multiple charging and discharging time settings help optimize energy costs

Reliable Backup Power Performance

Pure sine wave AC output ensures stable power for sensitive loads

Fast transfer time of 10ms typical / 20ms maximum

Supports up to 200% overload capability for 10 seconds

Provides up to 8kVA surge capacity (4kW model) and 10kVA surge capacity (5kW model)

Flexible System Expansion

Supports parallel connection of up to 6 units

Multiple inverters can work together to build a larger microgrid system

Supports intelligent control of backup and non-backup loads

Smart Monitoring & Communication

Integrated LCD display for real-time system monitoring

Supports CAN, BMS, RS485, dry contact, and Bluetooth communication

Optional Wi-Fi monitoring available

Compatible with Solis intelligent energy management solutions

Technical Specifications

Models 4K 5K 6K
Solar Charger Max. usable PV input power 5.5kW 6.5kW 6.5kW
Max. input voltage 500 V
Rated voltage 360 V
Start-up voltage 90 V
MPPT voltage range 90 - 430 V
Max. input current 16A / 16 A
Max. short circuit current 40 A
Max. solar charge current 100 A 100 A 120 A
MPPT number / Max. input strings number 1/2
Battery Battery type Li-ion / Lead-acid
Rated battery voltage 40 - 60 V
Max. charge / discharge power 5 kW / 5kW 5 kW / 5kW 6 kW
Max. charge / discharge current 100 A 100 A 120 A
Communication CAN
Inverter Output Rated output power 4kVA / 4 kW 5kVA / 5 kW 6kVA / 6 kW
Operation phase L/N/PE
Rated grid voltage 230 V ± 1%
Rated grid frequency 50 Hz / 60 Hz ± 0.1%
Surge capacity 8 kVA 10 kVA 12 kVA
Max. output current 20 A 25 A 30 A
Output voltage waveform Pure sine wave
Transfer time 10 ms typical,20 ms Max
THDv(@linear load) <3%
Peak efficiency(PV-AC) 96.60%
AC Charger
(grid port and generator port)
Max. input power 6 kW 7 kW 7 kW
Rated input voltage L/N/PE,AC230 V
Selectable voltage range 90 - 280 V
AC frequency range 50 Hz / 60 Hz
Max. input current 26 A 30 A 30 A
Max. AC charge current 60 A 80 A 80 A
Protection Output over voltage protection Yes
Output over current protection Yes
Short circuit protection Yes
Surge protection Yes
Temperature protection Yes
Integrated AFCI 2.0 Optional
General Data Dimensions (W × H × D) 340 × 480 × 170mm
Weight 13.8 kg
Topology High frequency non-isolation
Relative humidity 5% - 95% (Non-condensing)
Operating ambient temperature range -10 ~ +60℃
Storage temperature range -25 ~ +60℃
Ingress protection IP21
Max. operation altitude 2000m
Parallel capability 6 units
Safety standard IEC 62109,IEC 61000,55011
Features DC connection Terminal connectors
AC connection Terminal connectors
Display LCD
Communication CAN,BMS,Dry-contact,Bluetooth, Optional: Wi-Fi