Before you can replace the battery, you must remove all dirt, water, and debris from the device. You also need a small Phillips screwdriver and the security screwdriver included in the battery replacement kit.
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Remove the screws from the L-shaped cover over the VHF antenna.
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Pry off the L-shaped cover.
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Remove the screws from the outer edges of the back plate.
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Pry off the back plate.
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Grip the battery connector wires close to the connector, and pull the connector perpendicular to the circuit board to disconnect the battery connector from the device.
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Grip the power connector wires close to the connector, and pull the connector parallel to the circuit board to disconnect the power connecter from the device.
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Remove the screws from the battery plate.
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Remove the battery plate.
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Remove the battery.
The battery fits tightly. It may be necessary to pry the battery out of the back plate using a non-sharp, non-metal object.
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Install the new battery into the front enclosure with the label side of the battery facing up, and the leading edge of the battery placed under the charging contact ledge of the device.
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Replace the battery plate, and replace and tighten the two screws.
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Verify the gasket is not damaged and is completely seated in the groove.
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Connect the battery connector and the power connector to the device.
When properly installed, the connector plugs snap into the ports.
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Replace the back plate, and replace and tighten the screws to secure the back plate.
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Replace the L-shaped cover, and replace and tighten the screws to secure the L-shaped plate.
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Verify the gasket is not sticking out of the device.
