The RESU 6.5 is a 48 V lithium-ion home battery. For proper operation and retention of warranty, use an LG-approved inverter.

Important points of interest

  • Update firmware: Both battery and inverter must have the correct firmware versions.
  • Installation type: RESU 6.5 is intended for hybrid on-grid systems (backup possible with appropriate inverter).
  • As of January 2019, all LG Energy Solution RESU battery warranties can only be activated by the installer with the appropriate certification.