3KW Single-phase Energy Storage Inverter

product features

Integrated photovoltaic Energy Storage

integrate PV and energy storage, supporting a variety of batteries.


Intelligent Switching

Support emergency power supply, and seamless off-grid switching.


Wide voltage input

Ultra-wide PV voltage range 80V-500V, battery ultra-wide voltage range 85V-450V.


Safe and Reliable

IP 65 protection, high Electricity quality, does not interfere with electrical equipment, ultra-low radiation.


Intelligent and friendly

Lightweight body, easy installation, ultra-quiet design, flexible communication mode.


Efficient power generation

Maximum efficiency 97.8%, intelligent MPPT algorithm, tracking efficiency up to 99.99%

Technical parameter
Parameter KY-ESS3K0H


Max. Efficiency 97.50%
European Efficiency 97.10%

PV Input Data

Max. Input Power(W) 4500
Max. Input Voltage(V) 600
MPPT Operating Voltage Range(V) 80-500
Start-up Voltage 60V
Nominal Input Voltage (V) 360
Max. Input Current(A) 16
Max. Short Circuit Current(A) 25
Number of MPPT Trackers 2
Number of Strings per MPPT 1/1

Battery Input Data

Battery Voltage Range(V) 85-450
Max.Charge/Discharge Current(A) 30/30
Battery Type 3000W/3000W
Battery Type Li-ion/Lead-acid

AC Output Data(On-grid)

Nominal Output Power(W) 3000
Max. Apparent Power (VA) 3000
Nominal Output Voltage 230V
Nominal Output Frequency(Hz) 50/60
Max. Output Current(A) 13
Power Factor ~1(0.8 lead to 0.8 lag can be set)
Total Harmonic Distortion <3%

AC Output Data(Back-up)

Nominal Output Power(W) 3000
Max. Output Power (VA) 3000
Nominal Output Voltage 230V
Max. Output Current(A) 13
Nominal Output Frequency(Hz) 50/60


Insulation Protection Integrated
Residual Current Monitoring Integrated
PV Reverse Polarity Protection Integrated
Anti-islanding Protection Integrated
Overcurrent Protection Integrated
Dc component protection Integrated
DC Surge Protection Integrated
AC Surge Protection Integrated

General Data

Operating Temperature Range -25℃~60℃(>45℃ derating )
Altitude(m) <3000
Noise Emission (dB) <40
Topology Transformerless isolation
Cooling Natural convection
Ingress Protection Rating IP65
Relative Humidity 0-90%
Communication WIFI/RS485/GPRS
Communication with Meter CT/METER
Installation Wall-mounted
Self-consumption at Night (W) <10W
Dimension(W*D*H) 390*407*192mm
Weight (kg) 17
Specifications Size Type Down
Koyoe Energy - Warranty commitment 90.1KB PDF
KY-1Hybrid-5k0-H User Manual 1.68MB PDF
KY-1Hybrid-5k0-H datasheet 170.KB PDF
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Postcode: 215000
Telephone: 400-900-9536

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