LSI 9280-8E Raid Controller - Replaceable Battery

Introduction: LSI 9280-8E Raid Controller - Replaceable Battery

I have the LSI 9280-8E Raid controller. The battery is a 3.7VDC 1.4mah Lithium-Ion Battery. The Replacement battery new from LSI (if you can still get it) is upwards of $250. Used from eBay it is about $50 but doesn't guarantee the life of the battery. You would be getting rid of the entire battery module and battery when you replace it. Using my method, you only replace the battery as needed.

Teacher Notes

Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.

Step 1:

I searched for a 3.7VDC Lithium-Ion Battery and found a GoPro Charger and two batteries rated at the exact specs for $18 on amazon. I later found and had suspected before purchasing that the batteries wouldnt be the correct amperage which it was actually just below 1000mAh.

Step 2:

I proceeded to remove the module from the raid controller by removing three screws. holding it on.

Step 3:

I had to cut open the cover/sticker concealing the battery and the board for the battery. NOTE THE POLARITY.

Step 4:

I then found that the charger had a removable battery holder which was convenient. i then opened that with the 4 screws holding it together and removed the existing wires noting the polarity. **BE SURE TO LEAVE THE BATTERY IN**

Step 5:

I then proceeded to solder new wires to the leads and sealed the battery holder after fishing the wires out of the holder to be able to solder to the board of the controller battery module.

Step 6:

After soldering the wires to the leads where the old battery was keeping the earlier noted polarity, i then super glued the battery cradle to the raid battery module which was the exact same width.

Step 7:

The finished product was great. please keep in mind that the battery is significantly thicker on the raid card and may interfere with heat sinks or other cards in the server your using the card in. you may want to relocate the battery elsewhere in the server by leaving the wires longer and not super gluing them together.

overall i think this was nice to re-purpose an otherwise deemed dead piece of tech while future proofing my investment.

Be the First to Share


    • Trash to Treasure Contest

      Trash to Treasure Contest
    • Raspberry Pi Contest 2020

      Raspberry Pi Contest 2020
    • Wearables Contest

      Wearables Contest

    2 Discussions


    10 months ago

    Hi there! This is awesome! I was looking to get a hardware RAID controller for my X79 (R4BE) since it has a nonsense SATA layout... For some reason it has a total of 2 Intel SATA 6Gb/s ports, 4x3Gb/s ports, and 4 additional add-on card 6Gb/s ports (ASMedia ASM106x). I wanted to run 2x RAID 0 arrays with a total of 4x 250GB SSD's I had laying around. Unfortunately, the fakeraid only works on the Intel controller, and unlike most add-on RAID controllers, the ASM106x doesn't support any kind of RAID, only JBOD.

    Something I was worried about is this very issue, the ridiculous cost for even a used BBU. I am quite familiar with batteries and have done my fair share of adding/replacing batteries in things, but in this case I wanted to know if it were possible to add one to a RAID controller DIY, or if there were some proprietary chip/security on the battery preventing such a thing. Not that it couldn't be removed and swapped onto a new battery with a little soldering...

    Anyhow, my apologies for the length, but I did want to ask, why did you include the charger? Why not just add the battery directly, since the controller must surely have its own charging/protection IC... Or does it not?

    Once again, Thank you kindly for your guide! Was an infinitely useful bit of information to know I can add a battery and indeed seems I can add one of any capacity I want... It will be nice to know if my server (different system) goes down while I am out of town or in the hospital for a time, my data will be secure for extended periods with a 10Ah battery. ..