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Technical Data Sheet
PartsTable / COMPONENT / A1604-2K
A1604-2K ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

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 terminal_type: SNAP-ON TOP, special_features: TYPE II-I, ALKALINE MANGANESE DIOXIDE ANSI C18.1B, voltage_in_volts: 9.0, battery_electrolyte: ALKALINE, commercial_battery_size_designation: 9 VOLT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6135-01-447-0949, 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
A1604-2K
NSN: 6135-01-447-0949
FSC: 6135
CAGE: 77542 — SPECTRUM BRANDS, INC. (USA)
SPECIFICATIONS
terminal_typeSNAP-ON TOP
special_featuresTYPE II-I, ALKALINE MANGANESE DIOXIDE ANSI C18.1B
voltage_in_volts9.0
terminal_quantity2
battery_electrolyteALKALINE
commercial_battery_size_designation9 VOLT
NSN6135-01-447-0949
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BATTERY,NONRECHARGEABLE TITLE COMPONENT PN A1604-2K MFR BATTERY,NONRECHARGEABL
KEY FEATURES
•
TERMINAL TYPE: SNAP-ON TOP
•
TERMINAL QUANTITY: 2
•
COMMERCIAL BATTERY SIZE DESIGNATION: 9 VOLT
•
BATTERY ELECTROLYTE: ALKALINE
•
VOLTAGE IN VOLTS: 9.0
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)
TERMINAL TYPESNAP-ON TOP
SPECIAL FEATURESTYPE II-I, ALKALINE MANGANESE DIOXIDE ANSI C18.1B
TERMINAL QUANTITY2
COMMERCIAL BATTERY SIZE DESIGNATION9 VOLT
BATTERY ELECTROLYTEALKALINE
VOLTAGE IN VOLTS9.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
1604AInterchangeable
interchangeable cross-reference
interchangeable
1604A0Interchangeable
interchangeable cross-reference
interchangeable
522Interchangeable
interchangeable cross-reference
interchangeable
43-0004-00Interchangeable
interchangeable cross-reference
interchangeable
EN22Interchangeable
interchangeable cross-reference
interchangeable
312183-101Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1604-2K?
A1604-2K is a BATTERY,NONRECHARGEABLE.
What parts can replace A1604-2K?
There are 8 known substitutes for A1604-2K: 1604A, 1604A0, 522 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A1604-2K?
A1604-2K is cataloged in the Federal Logistics Information System (FLIS) under NSN 6135-01-447-0949. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026