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PartsTable / BATTERY / CR2450N
CR2450N ✓ Verified by PartsTable
IBM · BATTERY · LITHIUM
WHAT YOU NEED TO KNOW
Lithium batteries are restricted for air travel and may require a dangerous goods certificate with additional carrier fees. Ground shipping adds transit time — plan accordingly. Always check the date code, batteries degrade over time. Buy in bulk when possible, these are consumables. Key checks: Buy in bulk — consumables.
RESTRICTED for air — DG certificate required
PRODUCT OVERVIEW

IBM 3V Lithium Coin battery OEM. Key specifications include height: 5.0mm, voltage: 3V, capacity: Approx. 620mAh, diameter: 24.5mm, chemistry: Lithium.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6135-01-414-8831, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
BATTERY→ LITHIUM→ CR2450N
NSN: 6135-01-414-8831
FSC: 6135
CAGE: S7290 — RENATA AG (CHE)
SPECIFICATIONS
height5.0mm
voltage3V
capacityApprox. 620mAh
diameter24.5mm
chemistryLithium
NSN6135-01-414-8831
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: IBM IBM 3V Lithium Coin battery OEM TITLE COMPONENT PN CR2450N MFR IBM IBM 3V Lithium Coin ba
KEY FEATURES
•
VOLTAGE IN VOLTS: 3.0
•
TERMINAL QUANTITY: 1
•
OVERALL THICKNESS: 0.197 INCHES NOMINAL IN
•
BATTERY ELECTROLYTE: LITHIUM
•
OVERALL DIAMETER: 0.965 INCHES NOMINAL IN
•
TERMINAL TYPE: FLAT SURFACE TOP
•
SHAPE: CYLINDRICAL
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
VOLTAGE IN VOLTS3.0
TERMINAL QUANTITY1
OVERALL THICKNESS0.197 INCHES NOMINAL IN
BATTERY ELECTROLYTELITHIUM
OVERALL DIAMETER0.965 INCHES NOMINAL IN
TERMINAL TYPEFLAT SURFACE TOP
SHAPECYLINDRICAL
SPECIAL FEATURESLITHIUM/MANGANESE DIOXIDE BATTERY; TERMINALS FLAT, PC PINS; AVERAGE WEIGHT 0.217 OZ; OPERATING TEMP -30 TO +70 DEG C OZ
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
52061Interchangeable
interchangeable cross-reference
interchangeable
51877Interchangeable
interchangeable cross-reference
interchangeable
0-20Interchangeable
interchangeable cross-reference
interchangeable
4318Interchangeable
IBM 17.54GB 10K RPM Ultra SCSI Disk Unit
interchangeable
4320Interchangeable
interchangeable cross-reference
interchangeable
RC20GF3325Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99DG Class 9 — LithiumRestricted Air Freight
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FREQUENTLY ASKED QUESTIONS
What is CR2450N?
CR2450N is a IBM 3V Lithium Coin battery OEM manufactured by IBM. It is classified as a BATTERY (LITHIUM).
What parts can replace CR2450N?
There are 21 known substitutes for CR2450N: 52061, 51877, 0-20 and 18 more. Substitute compatibility should be verified for your specific system.
Is CR2450N still available?
CR2450N is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026