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The battery is one of the most common components in need of replacement. This guide contains instructions for removing the 3.7 V lithium-ion polymer battery in the Nook BNRV300 device. This device is also called the “Nook Simple Touch.”
Without a properly-functioning battery, your Nook will not operate. First try troubleshooting your Nook device using these guides if your Nook does not power on, or your Nook will not hold a charge. If your Nook device still fails to operate properly, then follow this Nook BNRV300 Battery Replacement Guide.
Warning: If the battery is swelling, causing discoloration, or smelling bad, removing it may be dangerous. If you suspect your battery is damaged, see this helpful guide for what to do with a swollen battery.
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Turn the Nook over to find the power button along the back upper edge.
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Wedge the spudger between the top of the power button and the upper edge of the device.
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Push the tool down to pry the button up and off.
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Using your fingers, take off the power button.
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Peel off the white sticker that is covering the screw head.
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Remove the one 2mm-long screw using a size T5 Torx screwdriver.
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Slide the back cover down towards the USB port to release it. The pictures show the case being pried open but this should not be necessary.
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Use a spudger or your fingers to gently pry the connector out of the white socket.
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The back cover is now fully detached.
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crwdns2935267:0crwdne2935267:0Tweezers$4.99
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Use tweezers to remove the brass-colored threaded fastener from the Nook plastic casing.
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Insert a nylon spudger beneath the clear plastic adhesive holding the battery to the back cover.
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Work around the battery, peeling up all of the adhesive.
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Hold on to one of the adhesive tabs and pull up.
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This will fully remove the battery from its compartment.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Check the comments on each step. There are some adjustments to the process to properly and safely take this apart.
