Can I connect lead-acid and lithium batteries to the X1-HYB-LV-EU inverter simultaneously?​

No. The inverter supports either ​​low-voltage lithium batteries​​ (e.g., SolaX LD53/LD150) or ​​lead-acid batteries (48V)​​. Mixing battery types is not allowed. Refer to Section 8.5 for battery requirements.