https://www.outbackpower.com/downloads/documents/inverter_chargers/fxr_vfxr_a/FXR_A_specsheet.pdf
https://www.outbackpower.com/resources/documents/product-documentation/item/fxr-vfxr-a-series-60hz-technical-documentation
https://www.outbackpower.com/downloads/warranty_and_safety/warranty_standard_english_spanish.pdf