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Dell XJ547 PERC 5i 7WH 3.7V Lithium-ion Battery Backup Unit
- Compatible with Dell PERC 5i RAID controllers
- Lithium-ion battery technology
- 7 Watt-hour energy capacity
- 3.7 Volt output
- Protects RAID controller cache during power loss
- Prevents data corruption and loss
- Ensures safe shutdown of RAID operations
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Product Overview
The Dell XJ547 is a Lithium-ion battery backup unit for PERC 5i RAID controllers, offering 7WH of power at 3.7V. It serves as a critical component for data protection during power interruptions.
Technical Information
| Brand | Dell |
| Part Number | XJ547 |
| RAID Controller Compatibility | PERC 5i |
Additional Specifications
| Battery Type | Lithium-ion |
| Capacity | 7 Wh |
| Voltage | 3.7 V |
Product Description
The Dell XJ547 is a vital component designed to safeguard data integrity for systems equipped with Dell PERC 5i RAID controllers. This battery backup unit is specifically engineered to provide a temporary power source to the RAID controller's cache memory when the main AC power supply is interrupted. This function is critical for preventing data loss or corruption that can occur if the controller's cache is abruptly cleared without data being written to the storage media. Featuring Lithium-ion technology, the XJ547 delivers a reliable 7 Watt-hour charge at 3.7 Volts. This energy reserve allows the PERC 5i controller to execute its safe shutdown procedures, which typically involve flushing any buffered data from the cache to the disk array. By ensuring that all pending write operations are completed, the battery backup unit helps maintain the consistency and reliability of the RAID volumes, thereby protecting valuable business data. This battery backup unit is an essential accessory for servers and workstations relying on PERC 5i RAID configurations for performance and redundancy. Its role in data protection is indispensable, especially in environments with unstable power grids or critical data processing needs. Regular monitoring of the battery's health is advised to ensure it is always ready to perform its protective function when needed.
