E1779B — BATTERY ASSEMBLY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

E1779B: BATTERY ASSEMBLY.

The BATTERY ASSEMBLY 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 overall_depth: 68.0 MILLIMETERS NOMINAL MM, overall_width: 373.0 MILLIMETERS NOMINAL MM, overall_height: 217.0 MILLIMETERS NOMINAL MM, mounting_method: CASE, end_item_identification: 9999 AEL CABLE 27TV, ANALYZER, 9002422, environmental_attribute_code: NON-CADMIUM PRODUCT. This part is cataloged in the U.S.

Government catalog under NSN 6140-01-531-9879, 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

E1779B

NSN: 6140-01-531-9879
FSC: 6140 — Batteries, Rechargeable
CAGE: 7ZXR5 — KEYSIGHT TECHNOLOGIES INC (USA)

SPECIFICATIONS

overall_depth	68.0 MILLIMETERS NOMINAL MM
overall_width	373.0 MILLIMETERS NOMINAL MM
overall_height	217.0 MILLIMETERS NOMINAL MM
mounting_method	CASE
end_item_identification	9999 AEL CABLE 27TV, ANALYZER, 9002422
environmental_attribute_code	NON-CADMIUM PRODUCT
NSN	6140-01-531-9879

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING METHOD: CASE

•

ENVIRONMENTAL ATTRIBUTE CODE: NON-CADMIUM PRODUCT

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

OVERALL HEIGHT	217.0 MILLIMETERS NOMINAL MM
MOUNTING METHOD	CASE
OVERALL WIDTH	373.0 MILLIMETERS NOMINAL MM
SPECIAL FEATURES	OUTPUT VOLTAGE:19.2V;CAPACITY:105WATT HOURS;OPERATING TEMPERATURE:0 TO 55DEGREES CELSIUS;CHARGE TIME:6HRS AT 25DEGREES CELSIUS;SERVICE LIFE:500 CHARGE/DISCHARGE CYCLES;CHEMISTRY:NICKEL METAL HYDRIDE; INPUT VOLTAGE:90 TO 254VAC; INPUT FREQUENCY: 47 TO 66HZ; INPUT POWER:60W VAC
ENVIRONMENTAL ATTRIBUTE CODE	NON-CADMIUM PRODUCT
END ITEM IDENTIFICATION	9999 AEL CABLE 27TV, ANALYZER, 9002422
OVERALL DEPTH	68.0 MILLIMETERS NOMINAL MM

OTHER ITEMS IN FSC 6140 — Batteries, Rechargeable

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

6140-00-000-5725 6140-00-001-1544 6140-00-001-4187 6140-00-001-5391 6140-00-001-5392 6140-00-003-0528 6140-00-003-5310 6140-00-003-7222

SUBSTITUTES & CROSS-REFERENCES 1

E1779AReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

HAZMAT per U.S. Government catalogShelf-life managedAcquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is E1779B?

E1779B is a BATTERY ASSEMBLY.

What parts can replace E1779B?

There is 1 known substitute for E1779B: E1779A. Substitute compatibility should be verified for your specific system.

What is the NSN for E1779B?

E1779B is cataloged in the U.S. Government catalog under NSN 6140-01-531-9879. This indicates validated use in U.S. government and defense supply chains.

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E1779B — BATTERY ASSEMBLY

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