VEICHI SV-(4-6)K-S Off-grid Solar Energy Storage Inverter

Product Features

SV-(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.

Technical 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%

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%

Efficiency
Max. MPPT effciency	99%
Peak Efficiency (PV to INV)	94%

Protection & function
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

General
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