Hello The PERC 5, 6, and 7 internal controllers use the same battery. The most common part number for the battery is NU209. I don't think we sell the battery through normal sales any longer. You may be able to purchase it through spare parts or from a reseller.   I have another old server that's the same R710, but instead of that card, it has PERC6I-INTG,NOSLED, and this one hasn't battery. My question is, can I replace the PERC6II with that other controller?   The PERC6 Internal Integrated sled and no-sled versions should be cross-compatible. The only difference between them should be the mounting hardware. Check inside the chassis of that server for a battery. All versions of the PERC6ii use a battery. The battery is likely mounted somewhere in the chassis instead of being mounted on the controller. It would be a lot easier to just take the battery from that system. Thanks
Hi fellas, I have an old server with a CONTROLLER, PERC6II, SERIAL ATTACHED SCSI The battery of the controller is failing, so I need to replace it, but according to Dell, those batteries are EOL. I have another old server that's the same R710, but instead of that card, it has PERC6I-INTG,NOSLED, and this one hasn't battery. My question is, can I replace the PERC6II with that other controller?   Thanks for helping.  Kind regards  Matias
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