PartsTable
Technical Data Sheet

ER26500/S — BATTERY,NONRECHARGEABLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

ER26500/S: BATTERY,NONRECHARGEABLE.

The BATTERY,NONRECHARGEABLE is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include shape: CYLINDRICAL, overall_width: 1.031 INCHES MAXIMUM IN, overall_length: 1.970 INCHES MAXIMUM IN, voltage_in_volts: 3.600, battery_electrolyte: LITHIUM, approximate_shelf_life: 10.0 YEARS. This part is cataloged in the U.S.

Government catalog under NSN 6135-01-499-6293, 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
ER26500/S
NSN: 6135-01-499-6293
FSC: 6135 — Batteries, Nonrechargeable
CAGE: 4NBK1 — OMNICEL BATTERIES (USA)
SPECIFICATIONS
shapeCYLINDRICAL
overall_width1.031 INCHES MAXIMUM IN
overall_length1.970 INCHES MAXIMUM IN
special_features230MA MAXIMUM CONTINUOUS CURRENT;400MA MAXIMUM PULSE CURRENT CAPABILITY;MINUS 55 TO PLUS 85 DEGREES CELSIUS OPERATING TEMPERATURE RANGE;1.78 OUNCE WEIGHT;U.L. COMPONENT RECOGNITION MH12193 OZ
voltage_in_volts3.600
terminal_quantity1
battery_electrolyteLITHIUM
approximate_shelf_life10.0 YEARS
end_item_identificationCOLLIMATOR,INFINITY AIMING,M1A1
commercial_battery_size_designationC
NSN6135-01-499-6293
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BATTERY,NONRECHARGEABLE TITLE COMPONENT PN ER26500/S MFR BATTERY,NONRECHARGEABL
KEY FEATURES
•
TERMINAL QUANTITY: 1
•
VOLTAGE IN VOLTS: 3.600
•
SHAPE: CYLINDRICAL
•
BATTERY ELECTROLYTE: LITHIUM
•
COMMERCIAL BATTERY SIZE DESIGNATION: C
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
TERMINAL QUANTITY1
VOLTAGE IN VOLTS3.600
SHAPECYLINDRICAL
OVERALL LENGTH1.970 INCHES MAXIMUM IN
OVERALL WIDTH1.031 INCHES MAXIMUM IN
BATTERY ELECTROLYTELITHIUM
COMMERCIAL BATTERY SIZE DESIGNATIONC
SPECIAL FEATURES230MA MAXIMUM CONTINUOUS CURRENT;400MA MAXIMUM PULSE CURRENT CAPABILITY;MINUS 55 TO PLUS 85 DEGREES CELSIUS OPERATING TEMPERATURE RANGE;1.78 OUNCE WEIGHT;U.L. COMPONENT RECOGNITION MH12193 OZ
END ITEM IDENTIFICATIONCOLLIMATOR,INFINITY AIMING,M1A1
APPROXIMATE SHELF LIFE10.0 YEARS
SUBSTITUTES & CROSS-REFERENCES 1
TL-5920/SReference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ER26500/S?
ER26500/S is a BATTERY,NONRECHARGEABLE.
What parts can replace ER26500/S?
There is 1 known substitute for ER26500/S: TL-5920/S. Substitute compatibility should be verified for your specific system.
What is the NSN for ER26500/S?
ER26500/S is cataloged in the U.S. Government catalog under NSN 6135-01-499-6293. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.