18650 Battery (Cell), Li-ion cell

The 18650 battery (Li-ion cell) measures up to 65.3 mm long and up to 18.6 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: 18650 battery
• Model id: li-ion-cells-18650
• Standard: Li-ion cell · size 18650

Files

Part key	Simplified
li-ion-cells-18650	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
D	Cell diameter			18.6	18.6	single limit (max), modeled at the limit	L1
H	Cell height			65.3	65.3	single limit (max), modeled at the limit	L1

Drawing

As a PDF: CC-LIION-SZ-18650.pdf.

From the Samsung SDI INR18650-35E data sheet

As written on the maker's data sheet for the Samsung SDI INR18650-35E (samsung-inr18650-35e): one product's ratings, which the cell envelope on this page does not depend on.

• Standard discharge Capacity: Min 3,350mAh
• Nominal Voltage: 3.60V
• Cell Weight: 50 g max

From the Molicel INR-18650-P28A data sheet

As written on the maker's data sheet for the Molicel INR-18650-P28A (molicel-inr18650-p28a): one product's ratings, which the cell envelope on this page does not depend on.

• Capacity Typical: 2800 mAh
• Cell Voltage Nominal: 3.6 V
• Weight: 46 g (Typical)

From the Panasonic NCR18650B data sheet

As written on the maker's data sheet for the Panasonic NCR18650B (panasonic-ncr18650b): one product's ratings, which the cell envelope on this page does not depend on.

• Rated capacity: Min. 3200mAh
• Nominal voltage: 3.6V
• Weight (max.): 48.5 g

The 18650 battery beside the 18500 and the 21700

The 18650 is number 3 of the 6 Li-ion cell batteries published here, listed from 14500 to 32700.

• Cell diameter (D): up to 18.6 mm on the 18650 battery, against up to 18.6 mm on the 18500 and up to 21.55 mm on the 21700.
• Cell height (H): up to 65.3 mm on the 18650 battery, against up to 49.36 mm on the 18500 and up to 70.8 mm on the 21700.

Other sizes

• One size smaller: 18500 Battery (Cell), Li-ion cell, up to 18.6 mm diameter, up to 49.36 mm long.
• One size larger: 21700 Battery (Cell), Li-ion cell, up to 21.55 mm diameter, up to 70.8 mm long.

Documents

• CC-LIION-DS-18650.pdf: 18650 datasheet: values with levels, sources
• CC-LIION-SZ-18650.pdf: 18650 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

molicel-inr18650-p28a, panasonic-ncr18650b, samsung-inr18650-35e. Full citations: the method page and this size's datasheet.

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