Help with the HP P410i Smart Array Controller on an HP ProLiant DL380 G7

OK this should be a simple one for you guys.
I have an HP ProLiant DL380 G7 server.
It was purchased as a refurb on eBay.
When I boot it, I see that it says it has a P410i (512MB) controller.
When I open the server I see a stand-alone 512MB stick of RAM with a small connector on it.
I can only assume that there is a battery backed write cache module that comes with a cable attached to it and that the other end plugs into this small connector on the RAM.
Can someone tell me where I can find this battery and cable?
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homerslmpsonAsked:
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andyalderCommented:
HP 650 mAh P-Series Battery 462969-B21, any HP reseller will sell you one but make sure it's got the cable included.

Note that it could be battery or flash backed write cache, you will have to tell us the part number on the cache module to confirm, the FBWC uses a supercapacitor rather than a battery. Also note it will work OK without the battery, you'll just get worse write performance.
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homerslmpsonAuthor Commented:
It looks like the part number is 462975-001 which points to it being the BBWC (not the FBWC).
I'm thinking I'll just order THIS part here which comes with the 512MB stick anyway.
What do you think?
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andyalderCommented:
2nd hand one is likely to have a dead or dying battery, there again the cells can be replaced cheaply so long as you have the charger board and cable, see this video...

https://www.youtube.com/watch?v=Dk-bd3WMd3Q 

Be aware that the part number I gave is meant to have the cable included, but note http://www.ebay.com/itm/hp-462969-B21-462976-001-460499-001-650-mah-p-series-battery-TESTED-and-CHARGED-/251687113339?pt=LH_DefaultDomain_0&hash=item3a99b8927b for example, claims the -B21 part no but 460499-001 doesn't have the cable so you may not get the whole thing unless you check with the vendor.
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homerslmpsonAuthor Commented:
Thanks for helping out with this.
I'm expecting the batteries/cables any day now and once I have them setup I should be good to go.
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