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A81-220 — CHARGER,BATTERY

✓ Government record, cited
— · PSU
PRODUCT OVERVIEW

A81-220: CHARGER,BATTERY.

The CHARGER,BATTERY is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. This part is cataloged in the U.S. Government catalog under NSN 6130-01-103-2780, 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
A81-220
NSN: 6130-01-103-2780
FSC: 6130 — Converters, Electrical, Nonrotating
CAGE: 89536 — FLUKE CORP (USA)
SPECIFICATIONS
NSN6130-01-103-2780
COMPONENT DIAGRAM
PULL TAB AIRFLOW —W PLATINUM 100-240V~ 50/60Hz OEM BACKPLANE CONN ~200 mm HOT-PLUG POWER SUPPLY | —W | Platinum AC input 100-240V | Redundant pair required | Match wattage in same chassis TITLE PSU —W PN A81-220 MFR OEM Platinum
KEY FEATURES
•
PHASE: SINGLE
•
INCLOSURE TYPE: CASE
•
CHARGER TYPE: SOLID STATE SEMICONDUCTOR
•
AC VOLTAGE RATING: 220.0 VOLTS NOMINAL
•
REGULATION TYPE: FIXED STAGE
•
INCLOSURE MATERIAL: PLASTIC
•
CHARGING REGULATION METHOD: CONTINUOUS
•
BATTERY TYPE FOR WHICH DESIGNED: ALKALINE OR NICKEL-CADMIUM
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
PHASESINGLE
INCLOSURE TYPECASE
CHARGER TYPESOLID STATE SEMICONDUCTOR
AC VOLTAGE RATING220.0 VOLTS NOMINAL
REGULATION TYPEFIXED STAGE
INCLOSURE MATERIALPLASTIC
CHARGING REGULATION METHODCONTINUOUS
BATTERY TYPE FOR WHICH DESIGNEDALKALINE OR NICKEL-CADMIUM
OTHER ITEMS IN FSC 6130 — Converters, Electrical, Nonrotating
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6130-00-000-0118 6130-00-001-1368 6130-00-001-1574 6130-00-001-1577 6130-00-001-1619 6130-00-001-1709 6130-00-001-1715 6130-00-001-1783
SUBSTITUTES & CROSS-REFERENCES 3
421-0282Reference document
Same NSN cross-reference
Reference document — Informative reference only
PP5922Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PP5764Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A81-220?
A81-220 is a CHARGER,BATTERY.
What parts can replace A81-220?
There are 3 known substitutes for A81-220: 421-0282, PP5922, PP5764. Substitute compatibility should be verified for your specific system.
What is the NSN for A81-220?
A81-220 is cataloged in the U.S. Government catalog under NSN 6130-01-103-2780. 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.