• ENERGY STORAGE
    LITHIUM BATTERY

    We promote the use of lifepo4 lithium batteries in households to help families globally.

HSTK series
HSTK series High Voltage Stackable Solar Lithium Battery-HSTK Series HSTK Series Stackable Home Battery

48V Stackable LiFePO4 Home Battery STK Series

  • Model:STK10/STK15/STK20/STK25
  • Reliable LFP cells with long cycle life
  • Pre-wired cable for plug and play
  • Stackable design ensures easy installation
  • Free assembly for power expansion
  • Integrated master control module
  • Great compatibility with 20+ inverter brands
  • LCD display with customized logo
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Polinovel STK Series lithium home battery is built with lithium iron phosphate technology and features 15 layers of protection, making it a secure option for the home solar system.

HSTK Series

This LiFePO4 residential battery can be expanded with additional battery modules at any time. Using it, you can greatly improve energy independence.

Having high-current BMS built in, it can safely run a 10KW inverter and handle heavier loads.

Home Battery

Model HV19250 HV192100 HV24050 HV240100 HV38450 HV384100 HV48050 HV480100
Nominal Voltage 192V 192V 240V 240V 384V 384V 480V 480V
Nominal Capacity 50Ah 100Ah 50Ah 100Ah 50Ah 100Ah 50Ah 100Ah
Energy 9.6kWh 19.2kWh 12kWh 24kWh 19.2kWh 38.4kWh 24kWh 48kWh
Charge Cut-off Voltage 218V 218V 200V 200V 435V 435V 545V 545V
Discharge Cut-off Voltage 160V 160V 270V 270V 320V 320V 400V 400V
Recommended Charge Current 25A 50A 25A 50A 25A 50A 25A 50A
Max. Charge Current 50A 100A 50A 100A 50A 100A 50A 100A
Max. Constant Discharge Current 50A 100A 50A 100A 50A 100A 50A 100A
Peak Current 100A 200A 100A 200A 100A 200A 100A 200A
Communication RS485/CAN RS485/CAN RS485/CAN RS485/CAN RS485/CAN RS485/CAN RS485/CAN RS485/CAN
Dimension (L*W*H) mm 460*330*480 600*600*1600 460*330*640 1530*600*600 460*330*780 600*600*1600 600*600*1600 1200*600*1600
Weight 100kg 190kg 170kg 260kg 280kg 500kg 350kg 600kg
Charge Temperature 0~50 °C 0~50 °C 0~50 °C 0~50 °C 0~50 °C 0~50 °C 0~50 °C 0~50 °C
Discharge Temperature -15~ 60°C -15~ 60°C -15~ 60°C -15~ 60°C -15~ 60°C -15~ 60°C -15~ 60°C -15~ 60°C

Technical Parameters

Model STK10 STK15 STK20 STK25
Nominal Voltage 51.2V 51.2V 51.2V 51.2V
Nominal Capacity 200Ah 300Ah 400Ah 500Ah
Energy 10.24kWh 15.36kWh 20.48kWh 25.6kWh
Charge Cut-off Voltage 58.4V 58.4V 58.4V 58.4V
Discharge Cut-off Voltage 40V 40V 40V 40V
Standard Charge Current 100A 150A 200A 250A
Max. Charge Current 200A 300A 400A 500A
Max. Constant Discharge Current 200A 300A 400A 500A
Peak Current 300A 400A 500A 600A
Communication RS485/CAN RS485/CAN RS485/CAN RS485/CAN
Dimension (mm) 565*460*360 565*460*540 565*460*720 565*460*900
Weight 92kg 138kg 184kg 240kg
Charge Temperature 0~50 °C 0~50 °C 0~50 °C 0~50 °C
Discharge Temperature -15~ 60°C -15~ 60°C -15~ 60°C -15~ 60°C

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