Cache Battery

A cache battery, a battery backup unit (BBU), is a small rechargeable lithium-ion battery integrated into many RAID controllers. It serves a crucial purpose - to temporarily power the cache memory of the RAID controller in the event of a power failure.

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  1. 0K4PPV Dell EqualLogic Type 15 10G iSCSI Storage Array ...
    $426.39
  2. 01KN513 Lenovo Raid 930-8I Flash Battery Only
    $213.41
  3. 571436-001 HP FBWC Super Capacitor Module Assembly
    $60.00
  4. K4PPV Dell EqualLogic Type 15 10G iSCSI Storage Array ...
    $266.91
  5. 03T8662 Lenovo LSI CV Super Capacitor 13.5V 6.4F Battery ...
    $81.35
  6. 02CL197 IBM FlashSystem Battery Module for 840 / 900
    $641.68
  7. 00E5725 IBM Cache Battery 5903 5805 574E
    $274.82
  8. 012695-001 HP 4.8v 500mah Smart Array Battery
    $73.18
  9. 922-8601 Apple RAID Card Battery
    $157.83
  10. LSIBBU05E1 LSI Battery Backup Unit
    $234.60
  11. 03X3618 Lenovo 3.7V DC 1500MAH Li-Ion RAID 700 Battery
    $194.40
  12. G3399 Dell 3.7V LITHIUM RAID Battery
    $90.04
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Why is it Needed?

RAID controllers utilize a high-speed cache memory to improve performance. This cache stores data and parity information briefly before writing it to the physical disks. During a power outage, data in the cache is at risk of being lost without a way to write it out. The cache battery provides backup power so the controller can flush all cached data to disks, preventing data loss.

Key Benefits:

  • Ensures data integrity by allowing for safe cache flushes during power interruptions
  • Prevents data corruption that could occur if cached writes weren't committed to disks
  • Maximizes uptime for mission-critical applications that rely on continuous RAID storage access

Product Features

Look for batteries suited for your specific RAID card, as they come in various voltages and capacities. Renowned brands like HP, Dell, IBM, and Lenovo offer high-quality batteries in server environments that last a long time.

Best Offers

Purchasing a replacement battery can extend the usable life of your RAID solution. We carry a wide selection of OEM and compatible batteries to suit all major manufacturers. If you aren't sure which battery your system requires, let our storage experts help you identify the correct part.

Ensure Peak Performance and Data Protection

Don't leave your valuable RAID configuration and data vulnerable without proper battery backup protection. Our knowledge experts can also advise on proactively replacing old batteries to maintain optimum RAID controller operation.

Reliable Support from Storage Specialists

ServersFit has years of experience supplying server hardware to IT professionals. Reach out to discuss your specific data storage needs - we're ready to find the correct cache battery and other components to optimize your solution.