A27 Battery (Cylindrical Cell), IEC 60086

At 7.4 to 8 mm across and 27 to 28.2 mm long, the A27 battery (IEC 60086) is drawn here as simplified STEP files.

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

• Also searched as: A27 battery
• Model id: iec60086-a27
• Standard: IEC 60086 · size A27

Files

Part key	Simplified
iec60086-a27	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d	Diameter	7.4		8	7.7	midpoint of min–max	L1
h	Overall height	27		28.2	27.6	midpoint of min–max	L1
d_pos	Positive contact diameter	3.2		4.2	3.7	midpoint of min–max	L1
h_pos	Positive contact projection	0.4			0.4	single limit (min), modeled at the limit	L1
d_neg	Negative contact diameter	3.4		4.4	3.9	midpoint of min–max	L1
e_neg	Negative contact recess			0.3	0.3	single limit (max), modeled at the limit	L0 (max: one source)
p_neg	Negative contact projection			0.3	0.3	single limit (max), modeled at the limit	L0 (max: one source)

Drawing

As a PDF: CC-IEC60086-SZ-A27.pdf.

From the maker's datasheet

As written on the ENERGIZER A27 datasheet (energizer-a27), the maker's typical values for one product, not the standard's limits.

• Classification: "Miniature Alkaline"
• Chemical System: Manganese Dioxide (MnO2)
• Designation: N/A
• Nominal Voltage: 12.0 volts
• Typical Capacity: 22 mAh to 6.0 volts
• Typical Weight: 4.4 grams (0.2 oz)

The A27 battery beside the A23 and the 4LR44

The A27 is number 8 of the 11 IEC 60086 batteries published here, listed from AAAA to CR123A.

• Diameter (d): 7.4 to 8 mm on the A27 battery, against 9.7 to 10.3 mm on the A23 and 12 to 13 mm on the 4LR44.
• Overall height (h): 27 to 28.2 mm on the A27 battery, against 27.5 to 28.5 mm on the A23 and 23.9 to 25.2 mm on the 4LR44.
• Positive contact diameter (d_pos): 3.2 to 4.2 mm on the A27 battery, against 3.5 to 6 mm on the A23 and at least 5 mm on the 4LR44.
• Positive contact projection (h_pos): at least 0.4 mm on the A27 battery, against at least 0.43 mm on the A23 and at least 0.7 mm on the 4LR44.
• Negative contact diameter (d_neg): 3.4 to 4.4 mm on the A27 battery, against at least 4.7 mm on the A23 and 5 to 6.6 mm on the 4LR44.
• Negative contact recess (e_neg): up to 0.3 mm on the A27 battery, against 0.2 to 0.3 mm on the A23.
• Negative contact projection (p_neg): up to 0.3 mm on the A27 battery, against up to 0.4 mm on the A23.

Other sizes

• One size smaller: A23 Battery (Cylindrical Cell), IEC 60086, 9.7 to 10.3 mm diameter, 27.5 to 28.5 mm long.
• One size larger: 4LR44 Battery (Cylindrical Cell), IEC 60086, 12 to 13 mm diameter, 23.9 to 25.2 mm long.

Documents

• CC-IEC60086-DS-A27.pdf: A27 datasheet: values with levels, sources
• CC-IEC60086-SZ-A27.pdf: A27 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

duracell-mn27, energizer-a27, varta-4227. Full citations: the method page and this size's datasheet.

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