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SV-(4-6)K-S Series Off-grid Solar Inverter
- Supports grid/generator input.
- Remote Monitoring.
- Ultra-fast on/off grid switchover.
- High power battery charging and discharging.
Catalogue
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EmailSV-(4-6)K-S Series Off-grid Solar Inverter Overview
VEICHI SV-(4-6)K-S off-grid solar inverter supports grid/generator input, dual AC outputs, remote monitoring, parallel connection, ultra-fast on/off grid switchover, and offers high power battery charging and discharging with maximum currents of 120A for charging and 137A for discharging.
SV-(4-6)K-S Series Off-grid Solar Inverter Features
1. Supports grid/generator input
Dual AC outputs, separate grid and generator inputs.2. Remote Monitoring
Built-in WiFi module, supported by VEICHI.com AI service.3. Parallel connection
Up to 9 devices can be connected in parallel.4. Ultra-fast on/off grid switchover
UPS-level switchover time: 10 ms.5. High power battery charging and discharging
- Maximum 120A charging current
- Maximum discharge current 137A.
Applications for SV-(4-6)K-S Series Off-grid Solar Inverter
Applications: The SV-(4-6)K-S off-grid solar inverter is widely used in the energy storage system of residential and power-deficient areas.
Specifications
| SV-4K-S |
Input (PV DC)
Max. PV array power(Wp): 4400 Maximum input power per MPPT: 4400 Number of MPPTs: 1 Number of MPPT input strings: 1 Rated PV input voltage(V): 500 PV input voltage range(V): 60V-450V MPPT voltage range(V): 60V-450V Start-up voltage(V): 90V Max. PV input current per MPPT(A): 18 Max. PV short-circuit current input per MPPT(A): 23A Battery Compatible battery type: Lead-acid & Lithium-ion Communication protocol type: RS485/CAN Rated battery voltage(V): 24 Battery voltage range(V): 20-30V Max. charge(A): 120A Discharge current(A): 137A Active Battery: yes Grid Rated AC voltage(V): 230VAC AC Voltage range: 90~280VAC Rated AC frequency(Hz): 50/60 Rated AC output current(A): 18.1 Rated AC output power(W): 4000 THDv: <3% Max. continuous AC passthrough current(A): 25A UPS Rated output power(W): 4000 Rated output voltage(V): 230 Rated output current(A): 18 Rated output frequency(Hz): 50/60 Peak power and peak time: 2 time peak power, 5s Switching time: <10ms Wave form: yes Dual Output: yes THDi: 3% THDV: 3% |
|---|---|
| SV-6K-S |
Input (PV DC)
Max. PV array power(Wp): 7800 Maximum input power per MPPT: 7800 Number of MPPTs: 1 Number of MPPT input strings: 1 Rated PV input voltage(V): 550 PV input voltage range(V): 90V-500V MPPT voltage range(V): 90V-500V Start-up voltage(V): 120V Max. PV input current per MPPT(A): 27 Max. PV short-circuit current input per MPPT(A): 33A Battery Compatible battery type: Lead-acid & Lithium-ion Communication protocol type: RS485/CAN Rated battery voltage(V): 48 Battery voltage range(V): 42-60V Max. charge(A): 120A Discharge current(A): 137A Active Battery: yes Grid Rated AC voltage(V): 230VAC AC Voltage range: 90~280VAC Rated AC frequency(Hz): 50/60 Rated AC output current(A): 28.2 Rated AC output power(W): 6000 THDv: <3% Max. continuous AC passthrough current(A): 35A UPS Rated output power(W): 6500 Rated output voltage(V): 230 Rated output current(A): 28.2 Rated output frequency(Hz): 50/60 Peak power and peak time: 2 time peak power, 5s Switching time: <10ms Wave form: yes Dual Output: 6500 THDi: 3% THDV: 3% |
|
Max. MPPT effciency
|
99% |
|---|---|
| Peak Efficiency (PV to INV) | 94% |
| PV Reversed Protection | Yes |
|---|---|
| Over Current/voltage Protection | Yes |
| AC Short-circuit Current Protection | Yes |
| Grid Monitoring | Yes |
| AC Surge Protection | Yes |
| DC Surge Protection | Yes |
| Battery Reverse Polarity Protection | Yes |
| PV Reverse Polarity Protection | Yes |
| Power Sales Monitoring | Yes |
| CT Zero Output | Yes |
| Ingress Protection Rating | IP20/IP21 |
|---|---|
| Operating Environment Temperature Range(°C) | -10~50 |
| Derating Temperature | 45℃ |
| Storage Temperature Range(°C) | -15~60 |
| Relative Humidity | 5%~95% |
| Display & Communication Interface | LED, RS485/Wi-Fi/CAN/USB |
| Warranty | 2 years |
| Cooling Method | Multistage speed regulation |
| Topology | Transformer-less |
| Altitude | <4000m |
| Noise Emission(typical) | 65dB |
| Parallel Capacity | 9PCS |
| Three-phase Parallel | Yes |
| Certification | IEC 62109-1, IEC 61000 |
|---|
Downloads
| File Name | Type | Language | File Type | Update | Download |
|---|---|---|---|---|---|
| SV-(4-6)K-S Series Off-grid Solar Inverter Catalog | Catalog | English | 2025-08-29 | 1.1MB |
Nov 25-27, 2025
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