CR2 Rechargeable Batteries and Charger, JESSPOW 450mAh 3.7V CR2 Battery, 8 Pack RCR2 Rechargeable Batteries for Golf rangefinder, Telescope, Electric Toys, Smoke Alarm and More(Not for Arlo Camera)

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Most commonly used in digital cameras, lighting equipment and numerous other electronic devices, CR2 batteries are an essential for any household or workplace that boasts a camera or two. www.greatpowerhk.com (PDF) https://web.archive.org/web/20120326190520/http://www.greatpowerhk.com/en/images/pdf/Li-ion-Cylindrical%20Battery/ICR18500.pdf. Archived from the original (PDF) on 26 March 2012. {{ cite web}}: Missing or empty |title= ( help)

This battery typically had two snap connectors; however, four [ clarification needed] connector versions are available. They were spaced 35mm ( 1 + 3⁄ 8in) apart. This type of battery is sometimes used in electric fencing applications. In Switzerland as of 2008 [update], these batteries accounted for 16% of lithium camera battery sales. [75] CR2 batteries have a nominal diameter of 15.6 millimeters. The overall height is 27 millimeters. Its weight is 11 grams. As well as other types, digital and film cameras often use specialized primary batteries to produce a compact product. Flashlights and portable electronic devices may also use these types.Energizer No. 412" (PDF). Datasheet.octopart.com. Archived (PDF) from the original on 5 March 2016 . Retrieved 23 February 2015.

Lithium Ion UR14650 Datasheet" (PDF). Omnitron.cz. Panasonic. June 2016 . Retrieved 26 September 2019. www.gpina.com (PDF) https://web.archive.org/web/20120326190515/http://www.gpina.com/pdf/GP1450L70_DS.pdf. Archived from the original (PDF) on 26 March 2012. {{ cite web}}: Missing or empty |title= ( help) a b c "Energizer Industrial EN640A (discontinued)" (PDF). Energizer. Archived (PDF) from the original on 27 February 2017 . Retrieved 19 February 2017.Used in older instruments. [243] These were sometimes sold as Bbatteries for hearing aids and small radios. FLYCO Ni-Cd, Ni-Mh, 600–1,500 capacity, 14.0 × 40.0, used in small electronics, such as electric shavers. Typically used in applications where the device in question must be flat, or where one should not be able to insert the battery in reverse polarity.

They may be classified in several ways, but one convenient method is by the cathode material and voltage. Using an iron disulfide cathode gives a battery with a nominal voltage of 1.5 volts. This cell is used for high-performance AA batteries. Most other lithium batteries are 3.0 volt systems using cathodes comprising either solids (manganese dioxide or carbon monofluoride) or highly toxic liquids (sulfur dioxide or thionyl chloride). Characteristics of CR2 BatteryLambert, Fred (21 April 2023). "Tesla gives update on its game-changing 4680 battery cell". Electrek . Retrieved 17 August 2023. This section needs additional citations for verification. Please help improve this article by adding citations to reliable sourcesin this section. Unsourced material may be challenged and removed. ( July 2011) ( Learn how and when to remove this template message)

Energizer 366 (obsolete)" (PDF). Energizer. Archived (PDF) from the original on 27 February 2017 . Retrieved 19 February 2017.

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Specifications for NCR18500A Panasonic" (PDF). Master Instruments. Panasonic . Retrieved 24 September 2019. In the following table, sizes are shown for the silver-oxide IEC number; types and capacity are identified as "(L)" for alkaline, "(M)" for mercury (no longer manufactured), and "(S)" for silver-oxide. Some sizes may be interchangeably used in battery holders. For example, the 189/389 cell is 3.1mm high and was designated 1131, while the 190/390 size is 3.0mm high and was designated 1130, but a battery holder will accept either size. https://web.archive.org/web/20090927145213/http://www.batteriesplusmore.ca/electronics.php. Archived from the original on 27 September 2009. {{ cite web}}: Missing or empty |title= ( help) Same diameter as AA battery, used in small electronics, including pulse oximeters, as well as use in some computer models (such as most pre-Intel Macintosh models and some older IBM PC compatibles) as the CMOS battery. Also used in US military MILES gear and DAGR. Also used in Renishaw Probes, commonly used in CNC machines, such like ones from Haas Automation. David Linden, Thomas B. Reddy (ed). Handbook of Batteries, 3rd edition, McGraw-Hill, New York, 2002 ISBN 0-07-135978-8 chapter 4