Assertion: car battery's capacity | /r/HasProperty | expressed
Facets:
value: as the product of 20 hours
type: OTHER
value: usually
type: DEGREE
Source sentences:
text: The rated capacity of a battery is usually expressed as the product of 20 hours multiplied by the current that a new battery can consistently supply for 20 hours at 68 °F (20 °C), while remaining above a specified terminal voltage per cell.