Definition availableExact definition Candidate definition
Ampere hour
Ahcx:Ah · Electric charge
1 Ah = (1 A)^1 × (1 h)^1.
- Quantity kind
- Electric charge
- SI dimension
T · I- Allowed roles
- Scalar
- Unit system / convention
- Other conventions
- Registry code
Ah
Scope and distinctions
Definition metadata only. The quantity kind and model field contract determine compatible use; no new UUCE execution or CVP claim.
Available operations
No converter is linked for this definition yet. You can inspect the definition and its sources.
Verification scope
New UUCE conversion paths have not been CVP-verified or production-attested. An exact unit definition is not a verification claim.
Candidate is a registry lifecycle state. It is not a completed review or CVP verification.
Definition sources
- BIPM — The International System of Units (SI)
9th edition, version 4.01, June 2026
Tables 2, 4 and 5: SI units; Table 7: SI prefixes
Source checked:Definition metadata attributed to BIPM; brochure licensed CC BY 4.0.
Definition and registry versions
- Definition revision
- 1.0.0
- Registry snapshot
- 0.3.0-preview.3 · preview
- Definition lifecycle
- candidate
- Definition owner
- core.metrology
- Definition digest
29d22de0716a350e5a49b8c85de2c3a2036727cb139be1ab9649ee30a2c0a243- Definition dependency digest
29a7d918add4af55834f133419c8c5fc8b915cfc273ac50196e740277716cf52
Digests identify definition content; they are not CVP evidence or production attestations.