12kw Three-phase Energy Storage Inverter

product features

PV &storage system

integrate PV and storage system modem, support multiple batteries, integrate with EMS Smart energy management systems


Smart switching

UPS function, support three-phase imbalance, on/off gird switch within 10ms.


Wide voltage input range

wide PV voltage input range 180V-950V,wide batteries voltage range 180V-700V


Safe and Reliable

IP 65 protection, aluminum housing,Built- in lightning protection,high-precision leakage protection


smart and simple

Ultra silent,,flexible communications,support remote/local USB upgrade.



support bifacial panels, max DC current 12.5A, max PV input power up to 1.3 X rated power

Technical parameter
Parameter KY-EST12K0H


Max.Efficiency >98.2%

PV Input and Output

Max. PV input power(W) 15600
Max. PV input voltage(V) 1000
MPP Operation Voltage Range(V) 180-900
No. of MPPTs 2
Max. number of PV strings per MPPT 1/1
Max. PV input current(A) 12.5/12.5
Short-circuit current of PV input(A) 13.5/13.5
Start up voltage(V) 180

Battery Input

Max Input/Output Voltage(V) 700
Operating Voltage Range(V) 180-700
Max Charge/Discharge Current(A) 50/50
Max Input/Output Power(W) 12000/12000
Battery Type Li-ion/Lead-acid

AC Input and Output

Rated Power(W) 12000
Max. Apparent AC Power(VA) 12000
Nominal AC Voltage(Vac) 380,3L/N/PE
AC Power Frequency(Hz) 50/60
Max. AC Output Current(A) 18
Rated Current Output(A) 18
Power Factor Range ~1 (Adjustable from 0.8 leading to0.8 lagging)
OutputTHDi(@Nominal Output) <3%

Off-Grid AC Output(Back-up ACOutput)

Rated Output Power(W) 12000
Max. Apparent AC Output Power(VA) 12000
Nominal AC Output Voltage(Vac) 380,3L/N/PE
AC Power Frequency(Hz) 50/60
Max. AC Output Current(A) 18

Genaral Data

Operating Temperature Range -25℃ …+60℃(>45℃ derating)
Operating Altitude(m) <4000
Noise(dB) <45
Topology Transformerless
Cooling Method Intelligent Fan
Ingress Protection Rating IP65
Relative Humidity 0-100%, no condensation
DC Connection Type MC/Amphenol/Phoenix
AC Connection Type Plug-in Connector
Display LCD
Communication With Portal RS485 (WiFi/GPRS Optinal)
Communication With BMS CAN
Communication With Meter RS485
Mounting Method Wall-mounting bracket
Dimensions (W*H*D)(mm) 505*630*220
Weight(Kg) 26


Safety IEC62109-1/-2
EMC EN61000-6-1/-2/-3,IEC61000
On-Grid standard AS4777.2,NRS097-2-1:2017

Country of origin

Country of origin Made In China
Specifications Size Type Down
KY-EST12KH-20KH user manual 20230112 2.73MB PDF
Koyoe Energy - Warranty commitment 90.1KB PDF
EST Series Product Specifications 12-20KW 203.KB PDF
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Address: No. 40, Wangwu Road, Wuzhong District, Suzhou, Jiangsu Province, China
Postcode: 215000
Telephones: 0512-65139208
Email: (Overseas)

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