In today's video, Dylan from Alarm Grid shows you the compatible replacement battery for a Qolsys IQ Panel and walks you through how to perform a battery replacement.

00:00 - Introduction
01:06 - Power Down
02:00 - Remove Back Plate
02:43 - Remove Power & Battery
04:49 - Insert New Battery
06:19 - Re-apply Power
08:08 - Run Battery Test
08:53 - Outro

The replacement battery for the Qolsys IQ Panel 4 is the Qolsys QR0083-840. To replace the battery, first, you should properly power down the panel. This is done through the panel screen, not using the power button. Navigate by pressing the gray bar at the top of the panel screen, then choosing Settings, then Advanced Settings. Enter the Installer, Dealer, or Master Code (1111, 2222, or 1234 by default, respectively) then tap Power Down. Wait for all LEDs to turn off and the screen to go dark. When that happens, the panel is powered down.

Remove the panel's back plate. Whether your panel is wall-mounted or desk mounted, you need to loosen the set screw in the bottom edge of the panel. Although Dylan removes the screw completely, you don't have to do this. Just back the screw out far enough so that you can pull the panel free of the back plate.

From there, pull the panel and back plate apart by first separating it at the bottom edge of the back plate, and then either pulling the back plate down, or lifting the panel up and away. Lay the panel face down on a flat surface, preferably a soft surface that won't scratch or otherwise damage the screen. Disconnect the panel's power, either by unplugging the barrel connector in the back of the panel or, preferably by unplugging the DC power adapter from the wall.

Locate the battery in the lower-left side of the visible compartment. Disconnect the wiring harness. It may be snug. Resist the urge to pull on the cable (as Dylan does in the video). Instead, you can use a small flathead screwdriver to gently pry the battery connector loose from the battery port. Now remove the battery from its location. The wire will be routed through a cutout in the battery bracket. Carefully remove it.

Insert the new battery's harness through that same cutout, then slide the battery into place, making sure it's turned so that you have the most available slack in the battery wire. Plug the battery connector into the port, noting that it is keyed, so it will only go in one way. Reconnect power. This will usually begin the bootup process. Reconnect the panel with its back plate and tighten the set screw in the bottom edge. If the panel does not boot up on its own, hold down the power button on the right panel edge for three (3) seconds.

Once the panel boots completely, navigate to the tests screen and run the panel test. Do this by tapping the gray bar at the top of the panel screen, then going to Settings, then Advanced Settings. Enter the Installer, Dealer or Master Code (1111, 2222, or 1234 by default) then tap System Tests, then Panel Tests. In this section, you can choose to "Run All" or simply tap "Run" next to the option for Battery. If the battery is good, tap the Home Icon at the bottom of the screen to exit Advanced Settings. If not, wait a few hours then run the test again. Sometimes a new battery will need to charge for a bit before it can support the panel load.

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