MP 1,1-5,1 Raid error on boot, battery and cache

[aawong]

I get a boot error message for the raid card. Battery and cache.

Can I replace the battery on this card?

Can I just get rid of it?

Do I really need it?

 

[dlopan]

Yes you can but finding one is a pain, 2 different raid cards.
I looked for a battery for my 2010 5,1 and can't find one. Other than apple
I guess just ignore the message, don't really need it but tired of the message.
I replaced the battery on late model server multiple times. no biggy just a PIA