20KWh 48V Off-grid Household Energy Storage System Power Backup

HMZ-ESS20K-W ESS with IP65 waterproof rating can be installed outdoors and indoors, matching various off-grid systems, and can be used for a wide range of home energy, UPS, electric systems, telecom, solar system, wind power, and base station. Contact us for more details.

Additional information

Product Details:

System Parameter
System Capacity 20.8KWh
Max Input Power/Max Output Power 5KW
Battery Types LifePo4
Number of Parallel Batteries 4
Level of Protection IP40
Weight 280kg
Size (L*W*H) 600*600*1400mm
Cycle Life ≥2000 Cycles
Type Lithium Iron Phosphate Battery
Battery Technical Parameters
Rated Capacity 400Ah
Rated Voltage 51.2V
Operating Voltage 40V~58.4V
Charging Current/Discharging Current 100A
Max Charge Current/Max Discharge Current 110A
Communication Mode CAN/RS232/RS485
Cooling Mode Natural Cooling
Waterproof Grade IP40
Operating Temperature Charge: 0℃~60℃

Discharge: -20~60℃

The Humidity of the Working Environment 10%-90% RH
Inverter Parameter
Max Charge Power/Max Output Power 5KW
DC Input Power Voltage 40v~60V
DC Output Voltage 40V~58V
Phase Number Mono phase
AC Input Voltage/AC Output Voltage 220V
Rated Frequency 50/60Hz
MPPT Parameter
Max PV Open Circuit Voltage 145VDC
PV Operating Voltage Range 60-145VDC
MPPT Voltage Range 60-145VDC
Max Output Power 4200wW
Solar Charging Current 0-80A

Ask For A Quick Quote

We will contact you within 1 working day, please pay attention to the email with the suffix “@hmztechnology.com”

Sign up and get

On all HMZ products!