Property talk:P12221

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battery life
length of time after a full charge that a device can continue to work under normal use before it needs its battery to be recharged

Represents	battery life (Q105482243)
Data type	Quantity
Domain	product model (Q10929058)
Allowed units	Instances of: unit of time hour (Q25235), minute (Q7727) or day (Q573)
Example	Apple Watch Ultra 2 (Q122442081) → 36 hour iPhone 15 (Q121992935) → 11 hour Tesla Model 3 (Q23663332) → 7 hour
Tracking: usage	Category:Pages using Wikidata property P12221 (Q125862799)
See also	energy storage capacity (P4140)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Minimum and maximum Items with highest numeric value Items with lowest numeric value Database reports/Constraint violations/P12221 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 19 Main statement 16 84.2% of uses Qualifier 3 15.8% of uses

[create Create a translatable help page (preferably in English) for this property to be included here]

Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P12221#Single value, SPARQL

Type “product model (Q10929058)”: item must contain property “instance of (P31)” with classes “product model (Q10929058)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P12221#Type Q10929058, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P12221#Entity types

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P12221#Scope, SPARQL

Citation needed: the property must have at least one reference (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P12221#citation needed

Units: “hour (Q25235), minute (Q7727), day (Q573)”: value unit must be one of listed. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P12221#Units

Add determination method as recommended qualifier?

I propose that to make some of these values comparable, we add determination method (P459) as a recommended qualifier. Then we have a chance to filter apples from oranges. Ainali (talk) 18:16, 18 December 2023 (UTC)