Eunicell CR2 battery is a cylindrical lithium cell classified by its 27mm x 15.1mm dimensions. Most CR2 cells are primary single-use and are not rechargeable. Learn more about CR2 batteries here.

CR2 battery size compared to a 16340 and CR123A batteries
The size of a CR2 battery compared against a 16340 and CR123A battery.

Dimension：
Height:27 mm
Diameter:15.1 mm

Specification:
Voltage: 3.0V
Chemistry Lithium
Capacity:  850mAh (we can supply 900~1000mAh)
Rechargeable: No

REPLACEMENT SIZES:
 CR2, 5046LC, CR17355, CR2, DLCR2, EL1CR2, KCR2, RLCR2

Package:

bulk ;  single blister pack ;  2-pack blister pack ; 10-pack blister pack 

Ideal for digital cameras, flashlights, night-vision goggles, calculators, memory backup, and more. 

FREQUENTLY ASKED QUESTIONS:

Q: Are there rechargeable CR2 batteries?
A: No.  Eunicell CR2 batteries use a lithium chemistry (not li-ion) and they are single-use non-rechargeable.

Q:Do CR2 batteries expire?
A: Yes, all batteries eventually expire. CR2 batteries have a range of shelf lives between 3 and 10 years, largely dependent on the battery's chemistry and storage conditions.  For more information, check out our battery expiration guide!

Q: Are CR2 batteries the same as CR123A batteries?
A: No, CR123A batteries are physically bigger than CR2 cells and have larger capacities. Do not try to try to interchange these batteries, as it can lead to overheating or other dangerous complications.

Q:Do you offer bulk-pricing on CR2 batteries?
A:Yes! A large selection of our batteries can be bought in bulk, letting you take advantage of huge discounts! You can directly contact a member of our sales team now via phone or email!