We really need a 'Nutrition facts label' for electronic devices/batteries.
Usage Facts
Serving size: 1 hour
Servings per charge: 3.5
Total power (watt-hours): 56
Voltage: 12
Amp hours: 4.57
Usage Facts
Serving size: 1 hour
Servings per charge: 3.5
Total power (watt-hours): 56
Voltage: 12
Amp hours: 4.57
Nitpick, but Watt-Hours is energy, not power.
Why yes, I am very clever. Thank you for noticing.
https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus...