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  • ESS: single phase low frequency 10K-20K - ESS-B 10K~20K
  • ESS: single phase low frequency 10K-20K - ESS-B 10K~20K

ESS: single phase low frequency 10K-20K - ESS-B 10K~20K

ESS: single phase low frequency 10K-20K

ESS-B 10K~20K

single phase low frequency 10K-20K, Pure sine wave, with transformer, safe and stable modular MPPT controller built-in with high over-loading capability, system efficiency up to 92%, AC/DG by pass optional. RS 485/GPRS monitoring.




Title: Mr. Ms.



Built-in MPPT solar controller, maximize the utilization of solar panel

Integrated design with controller, inverter and isolated technique

Solar controller modular design, hot plug function, flexible configuration, easy capacity expansion

Intelligent battery management and temperature compensation function

Pure sine wave output, output isolated transformer, safe and stable

It supports mains/generator input (optional)

Output isolated transformer, safe and stable

LCD display + LED status indicator

Perfect protection

System efficiency up to 92%

Strong environment adaptability


ESS series single-phase off-grid inverter adopts integrated design of solar controller, inverter and isolated transformer. The controller adopts MPPT technology and intelligent battery management design which is very efficient and smart; integrated pure sine wave inverter and low frequency isolated transformer make it with excellent overload performance, suitable for a variety of electrical appliances. ESS series controller adopts modular design with flexible configuration; the inverter is with output of 10kVA~20KVA, supplying power for the places without city power e.g. remote areas, pastoral areas, islands, communication base stations, bringing customer the optimized social, economical and environmental benefits. It supports mains/generator input (optional), take advantages of old diesel generators, saving initial investment and operation maintenance cost.

ESS-B 10K~20K

Technical data

System (with AC bypass)
Model ESS-B 10K ESS-B 15K ESS-B 20K
DC Input (PV Side)
MPP voltage range (Vdc) 250~450
Max. input voltage (Vdc) 460
Recommended MPP voltage (Vdc) 330
Max. power (kW) 20 (1~2 10kW module optional)
AC Input
AC input voltage range (Vac) 220/230/240±20%
AC input voltage frequence (Hz) 50/60±5%
Inverter Output
Output voltage (Vac) L/N/PE, 220/230/240
Output wave Pure sine wave
Rated power (kW/kVA)  8/10  12/15  16/20
AC current crest factor  3:1
Overload capacity 105%~110%, 10mins; 110%~125%, 1min; >125%, 10s
Voltage THD THDU<3%, linear load; THDU<5%,nonlinear load
Isolation Low frequency transformer
Rated voltage (Vdc) 220
Battery type Lead-acid or Li battery
General Data
Operating temperature range (°C) –20~50 (>50°C derating)
Relative humidity in operation 0~95% (non-condensing)
Max. operating altitude (m) 6000 (>3000m derating)
Display LCD+LED
Communication RS485, dry contact (optional)
Dimension (D*W*H mm) 610*455*1125
Weight (kg) 101 114 124
PV Control Module  
Model SC22050 -ESS
Control type MPPT control
MPPT efficiency >99.5%
MPP voltage range (Vdc) 250~450
Max. input voltage (Vdc) 460
Max. input power (kW) 11
Max. input current (A) 45
Output voltage range (Vdc) 192~264
Max. output current (A) 50
Max. efficiency 0.98
Module dimension (D*W*H mm) 415*356*84.5 
Module weight (kg) 11