LG Chem 12kWh Lithium Battery (51v with BMS)


The RESU Lithium Battery is a compact and powerful 48V LV solution. It is designed to allow easy wall-mounted or floor-standing installation for both indoor and outdoor application. Set in an attractive black and silver colour, this battery will suit any home interior or exterior under shading.


  • 119A max charge/discharge current
  • total usage capacity of 11.7kWh
  • 5kW of max charge/discharge power
  • Can be parallaled with one additional Resu12 with the use of RESU-PLUS.
  • The inverter connections have also been simplified, reducing installation time and costs
  • 10-year standard warranty

The LG Resu12 is IP55 rated, but when installed outdoors please protect the unit from direct rain and sunshine. Frequent exposure to harsh weather may deteriorate the performance and lifetime of the battery.

INSTALLER NOTICE: From January 2019 all LG Chem RESU battery warranties can only be activated by installer with relevant certification. Please click HERE for details on how to become certified LG Chem installer. 

Important Note: End-of-sale of SolarEdge StorEdge Single Phase Inverter and StorEdge Interface SESTI-S4 for new installations.
As such, SolarEdge Europe will no longer support new installations with LG batteries after 30.06.2024.


Supplier part Number: RESU12