APC Smart-UPS SRT30000XLA Battery Cells Replacement

Written By: Alex Diaz-Kokaisl
  • Comments: 1
APC Smart-UPS SRT30000XLA Battery Cells Replacement

Difficulty

Moderate

Steps

20

Time Required

30 - 45 minutes

Introduction

Use this guide to test and replace the individual battery cells in your APC uninterruptible power supply model SRT30000XLA.

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    • Before you begin your repair, unplug your UPS.

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    • Plastic clips secure the front bezel.

    • Pull the left edge of the front bezel away from the device to release the plastic clip.

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    • Continue pulling the left edge of the front bezel away from the device until the right clip releases.

    • Remove the front bezel.

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    • Use the cutout in the battery connector to pull it toward the right edge of the device and disconnect it.

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    • Lift and rotate the battery connector to move it out of the way of the battery assembly.

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    • Use a Phillips driver to remove the three 23 mm‑long screws securing the battery assembly.

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    • Pull the battery assembly out of the housing until it stops at its first plastic tab.

    • You'll feel the assembly stop abruptly and hear the plastic tab "click."

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    • Depress the plastic tab while pulling on the battery assembly until it clears the tab.

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    • Continue pulling the battery assembly out of the housing until it stops at its second plastic tab.

    • You'll feel the assembly stop abruptly and hear the plastic tab "click."

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    • Depress the plastic tab while pulling on the battery assembly until it’s free from the housing.

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    • Peel off any screw covers from the top of the battery assembly.

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    • These screws are very tight and easily strip. Apply constant downward pressure to avoid stripping them.

    • Use a Triangle 3 driver to remove the six screws securing the battery assembly's top shell:

    • Four 22.7 mm-long screws

    • Two 15 mm-long screws.

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    • The top shell of the battery assembly is secured with a plastic clip.

    • Depress the plastic tab above the battery connector and lift up the top shell to release the clip.

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    • The back of the top shell is secured with tape. Be careful to not peel the tape off during this step.

    • Swing the top shell over the battery assembly and lay it down.

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    • If any battery cells are leaking or showing signs of corrosion, put on nitrile gloves to protect your hands.

    • The next five steps demonstrate how to remove any one battery cell. The battery cells are identical, but the connector positions vary.

    • During reassembly, refer to these photos to reconnect the batteries properly.

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    • If a light red wire is covering the battery cell you're working on, you’ll need to move it out of the way.

    • Lift the light red wire out of its spot next to the screw post to access the connector beneath.

    • During reassembly, make sure the wire is put back in its original spot or else the top shell won't close properly.

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    • Grip the white spade connector and pull up to disconnect it from the negative terminal of the battery cell.

    • Always pull on the connector itself, not the wire.

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    • Repeat for the other spade connector attached to the positive terminal of the battery cell.

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    • Lift the battery cell out of its housing and remove it.

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    • If you own a multimeter, you can determine the battery cell's health by measuring its voltage.

    • Follow this guide to use a multimeter and measure voltage using these parameters:

    • If your battery cell's voltage is less than 10 V, replace it.

    • Charge the entire battery assembly to 100% and test the cell again. If your battery is less than 12 V, replace it.

Conclusion

Take your e-waste to an R2 or e-Stewards certified recycler.

To reassemble your device, follow these instructions in reverse order.

Repair didn’t go as planned? Try some basic troubleshooting, or ask our APC Smart-UPS SRT30000XLA Community for help.

Author

Alex Diaz-Kokaisl

Member since: 16/01/22

151892 Reputation

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