4LR44 Battery (Cylindrical Cell), IEC 60086

The 4LR44 battery (IEC 60086) measures 23.9 to 25.2 mm long and 12 to 13 mm in diameter; it comes as simplified STEP files.

How these parts are made, and what the levels mean: read the method

• Also searched as: 4LR44 battery
• Model id: iec60086-4lr44
• Standard: IEC 60086 · size 4LR44

Files

Part key	Simplified
iec60086-4lr44	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d	Diameter	12		13	12.5	midpoint of min–max	L1
h	Overall height	23.9		25.2	24.55	midpoint of min–max	L1
d_pos	Positive contact diameter	5			5	single limit (min), modeled at the limit	L1
h_pos	Positive contact projection	0.7			0.7	single limit (min), modeled at the limit	L1
d_neg	Negative contact diameter	5		6.6	5.8	midpoint of min–max	L0 (min, max: one source)
s_neg	Negative end step			0.6	0.6	single limit (max), modeled at the limit	L0 (max: one source)

Drawing

As a PDF: CC-IEC60086-SZ-4LR44.pdf.

From the maker's datasheet

As written on the ENERGIZER A544 datasheet (energizer-a544), the maker's typical values for one product, not the standard's limits.

• Chemical System: Manganese Dioxide (MnO2)
• Designation: ANSI/NEDA-1414A, IEC-4LR44
• Nominal Voltage: 6.0 volts
• Typical Capacity: 178 mAh to 3.6 volts
• Typical Weight: 9.8 grams (0.3 oz)

The 4LR44 battery beside the A27 and the CR2

The 4LR44 is number 9 of the 11 IEC 60086 batteries published here, listed from AAAA to CR123A.

• Diameter (d): 12 to 13 mm on the 4LR44 battery, against 7.4 to 8 mm on the A27 and 15 to 15.6 mm on the CR2.
• Overall height (h): 23.9 to 25.2 mm on the 4LR44 battery, against 27 to 28.2 mm on the A27 and up to 27 mm on the CR2.
• Positive contact diameter (d_pos): at least 5 mm on the 4LR44 battery, against 3.2 to 4.2 mm on the A27 and up to 7 mm on the CR2.
• Positive contact projection (h_pos): at least 0.7 mm on the 4LR44 battery, against at least 0.4 mm on the A27 and at least 0.6 mm on the CR2.
• Negative contact diameter (d_neg): 5 to 6.6 mm on the 4LR44 battery, against 3.4 to 4.4 mm on the A27.

Other sizes

• One size smaller: A27 Battery (Cylindrical Cell), IEC 60086, 7.4 to 8 mm diameter, 27 to 28.2 mm long.
• One size larger: CR2 Battery (Cylindrical Cell), IEC 60086, 15 to 15.6 mm diameter, up to 27 mm long.

Documents

• CC-IEC60086-DS-4LR44.pdf: 4LR44 datasheet: values with levels, sources
• CC-IEC60086-SZ-4LR44.pdf: 4LR44 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

duracell-px28a, energizer-a544, varta-4034. Full citations: the method page and this size's datasheet.

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