Name: Lenovo BATTERY,11.31V,47Wh,3cell
Brand: LENOVO
SKU: 5B11N45961

5B11N45961 ✓ Verified by PartsTable

LENOVO · BATTERY CAPACITOR

WHAT YOU NEED TO KNOW

Very common replacement part Capacitors degrade slower than batteries but still lose capacity over time

CABLE LENGTH IS CRITICAL: 660093-001 = 36" (2U+), 654873-003 = 24" (1U)

PRODUCT OVERVIEW

The LENOVO 5B11N45961 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

5B11N45961

SPECIFICATIONS

Part Number	5B11N45961
Manufacturer	LENOVO

COMPONENT DIAGRAM

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

No verified substitutes available.

LIFECYCLE

StatusUNKNOWN

Availability—

RoHS CompliantEAR99ESD SensitiveNot HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is 5B11N45961?

5B11N45961 is a Lenovo BATTERY,11.31V,47Wh,3cell manufactured by LENOVO.

Is 5B11N45961 still available?

5B11N45961 is currently Unknown.

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