This inverter backup doesn't have any option for charging either on solar or electricity.
This inverter is for backup and U should connect a battery of 12volts of any size.
This inverter backup is very strong and original to operate with heavy duty load of 2000w eg fridges, washing machine, lights, TV and woofer etc.
This inverter backup is wall mounted and it is very silent while operating.
This inverter produces enough current and voltage .
It's suitable for home use and office use.
This inverter is repairable and portable to be transported.
I encourage you to try this inverter and it has a transformer inside.