Batteries / LR
4LR44
Alkaline zinc / manganese dioxide
Second-source check pending Primary batteryReviewed:
Reference dimensions are not universal manufacturing tolerances. Check the actual cell and holder.
The type status describes documentary checks of core specifications, not every fact or suitability for a device.
Understanding 4LR44 before replacement
Documented battery characteristics
4LR44: Alkaline zinc / manganese dioxide, 6 V, Ø 13 × 25.1 mm. These are reference battery dimensions, not a verified device fit. Cell and battery pack shapes, contact layout and charging requirements can differ.
This is a primary battery; never attempt to recharge it.
Manufacturer markings in the dataset
A544, PX28A, 4AG13
What to check before replacing 4LR44
No device-specific fit or safe replacement is confirmed.
Technical specifications
| Designation | 4LR44 Documented source [Panasonic] [Energizer] |
|---|---|
| Chemistry | Alkaline zinc / manganese dioxide Documented source [Panasonic] [Energizer] |
| Nominal voltage | 6 V Documented source [Panasonic] [Energizer] |
| Diameter | 13 mm Documented source [Panasonic] |
| Height | 25.1 mm Documented source [Panasonic] |
| Rechargeable | No Documented source [Panasonic] |
| Terminal form | Battery without external leads Documented source [Panasonic] |
| Body form | Cylindrical cell Documented source [Panasonic] |
Reference dimensions are not universal manufacturing tolerances. Check the actual cell and holder.
Other designations
These codes identify the same type family. Match the load variant, terminals and device requirements separately.
A544[Panasonic]PX28A[Panasonic]4AG13[Panasonic]
Documented brands
Brand presence comes from product documents or documented code mappings; current availability is not checked.
Product-specific observations
Capacity belongs to an individual product and test regime. It is not a universal value for this battery type.
Panasonic 4LR44PDocumented source
Current availability not checked [Panasonic]
Documented product; no individual technical observations in this dataset.
Replacement limits
Device compatibility has not been verified. Dimensions alone do not prove that a battery fits or works.
Replacement evidence by category
Other markings of this technical type
A544 · PX28A · 4AG13
These markings resolve to this type in documented sources. The exact variant and device requirements still matter.
Conditional replacement: review requirements
No conditional cross-type relation is recorded.
Known obstacles to direct replacement
No explicit obstacle is recorded here; that is not evidence of compatibility.
Other type pairs without a recorded assessment
This pair has not been assessed. No compatibility conclusion is available.
No automatic replacement recommendation. Device compatibility has not been verified. Dimensions alone do not prove that a battery fits or works.
Documentary limits
4LR44: Published dimensions differ by manufacturer or reference method; tolerances and fit have not been established. Published technical records: Panasonic 13.0 × 25.1 mm (approx.); Energizer max. Ø13.00 × 25.20 mm. Device-level compatibility must be verified separately.
Sources & verification
- Panasonic · v024-pan-4lr44 Documented source
4LR44P consumer technical specification
Current availability not checked
· Reviewed: - Energizer · v024-en-4lr44 Documented source
A544 4LR44 technical datasheet
Current availability not checked
· Reviewed:
Common questions
What size is 4LR44?
Ø 13 × 25.1 mm
Can 4LR44 be recharged?
No. Do not charge primary cells.
Can 4LR44 replace another battery?
Not on the basis of size or matching names alone. Check the exact device requirements and the directed compatibility notes. This catalogue does not contain a guaranteed device-fit recommendation for 4LR44.