Axis

Electric charge

ampere-hourA·h

The battery-capacity unit of one ampere sustained for one hour.

Dimension
T·I
Canonical signature
T*I
System
si accepted
Exactness
Exact

Definition record

How this unit is defined

Canonical base
1 A·h = 3,600 C
Conversion type
linear
Historical notes
Energy from ampere-hours requires the voltage.
Aliases
Ah, amp hour, ampere hours, battery capacity

Same dimension

Related units

coulombsiCmilliampere-hoursi acceptedmAhquettacoulombsiQCronnacoulombsiRCyottacoulombsiYCzettacoulombsiZCexacoulombsiECpetacoulombsiPC

Common conversions

Every conversion routes through the canonical base of the dimension.

1 A·h = 3,600 C

Exact relationship

10 A·h = 36,000 C

Exact relationship