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Technical Data Sheet
00NY492 ✓ Verified by PartsTable
LENOVO · 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

The LENOVO 00NY492 is a Battery-Backed Write Cache pack, designed for enterprise RAID controllers in enterprise servers. It provides backup power to the BBWC module during unexpected power loss, ensuring cached write data is safely committed to flash memory. This is a high-volume replacement part in TPM market as enterprise servers remain widely deployed.

WHERE IT FITS
BATTERY LITHIUM 00NY492
SPECIFICATIONS
Part Number00NY492
ManufacturerLENOVO
COMPONENT DIAGRAM
CAP 72V + - CAP 72V BRACKET TO CTRL CABLE: — ~76 mm CACHE BACKUP | Supercapacitor | Cable: — Connects to RAID controller | | Controller: See controller spec SCHEMATIC: + - 2S2P SUPERCAP PACK TITLE CACHE BATT PN 00NY492 MFR LENOVO Lenovo ThinkPad Battery 77+ (6cell, 90Wh
KEY FEATURES
Battery-Backed Write Cache Module
Rechargeable Battery Technology
Provides cache backup power for 48+ hours after power loss
Hot-Plug Capable
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
4X50K14091Compatible
IBM Notebook Battery 6-Cell 90Wh 11.4V 7.9Ah Li-Ion - ThinkPad 77+ - Option
compatible
00NY493Compatible
IBM Notebook Battery 6-Cell 90Wh 11.25V 8.0Ah Li-Ion - ThinkPad 77+ - FRU
compatible
01AV477Compatible
IBM Notebook Battery 6-Cell 90Wh 11.4V 7.9Ah Li-Ion - ThinkPad 77+ - FRU
compatible
SB10H45077Compatible
IBM Notebook Battery 6-Cell 90Wh 11.4V 7.9Ah Li-Ion - ThinkPad 77+ - APN
compatible
SB10H45078Compatible
IBM Notebook Battery 6-Cell 90Wh 11.25V 8.0Ah Li-Ion - ThinkPad 77+ - APN
compatible
LIFECYCLE
StatusUNKNOWN
Availability
RoHS CompliantEAR99ESD SensitiveDG Class 9 — LithiumRestricted Air Freight
THIS PART SUBSTITUTES FOR 5
SB10H45077SUBSTITUTE
IBM Notebook Battery 6-Cell 90Wh 11.4V 7.9Ah Li-Ion - ThinkPad 77+ - FRU
LENOVO
SB10H45078SUBSTITUTE
IBM Notebook Battery 6-Cell 90Wh 11.4V 7.9Ah Li-Ion - ThinkPad 77+ - FRU
LENOVO
00NY493SUBSTITUTE
IBM Notebook Battery 6-Cell 90Wh 11.4V 7.9Ah Li-Ion - ThinkPad 77+ - FRU
LENOVO
01AV477SUBSTITUTE
IBM Notebook Battery 6-Cell 90Wh 11.4V 7.9Ah Li-Ion - ThinkPad 77+ - FRU
LENOVO
4X50K14091SUBSTITUTE
IBM Notebook Battery 6-Cell 90Wh 11.4V 7.9Ah Li-Ion - ThinkPad 77+ - FRU
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 00NY492?
00NY492 is a Lenovo ThinkPad Battery 77+ (6cell, 90Wh - P50) manufactured by LENOVO. It is classified as a BATTERY (LITHIUM).
What parts can replace 00NY492?
There are 5 known substitutes for 00NY492: 4X50K14091, 00NY493, 01AV477 and 2 more. Substitute compatibility should be verified for your specific system.
Is 00NY492 still available?
00NY492 is currently Unknown.
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