Introduction
Your battery may need to be replaced if it doesn't hold a charge or is not charging at all. The JBL Charge 3 has a 6000mAH battery.
What you need
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Turn your speaker upside down and insert the plastic opening tool vertically into the slit in the front cover.
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Slowly pull the plastic opening tool outward to remove the four clips holding the covering in place.
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Repeat this process for all four edges of the front cover.
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Remove the two 8mm Phillips #1 screws from the tabs.
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NOTE: There may be only one screw.
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Twist and pull open the passive radiator. The left radiator twists off clockwise; the right counterclockwise.
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Repeat all previous steps for the other passive radiator.
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NOTE: only the right radiator needs to be removed for changing the battery.
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Remove the six 8mm Phillips #1 screws from the outer battery cover.
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Peel the outer battery cover away from the speaker housing.
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Remove the seven 8mm Phillips #1 screws from interior battery cover.
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Remove the interior battery cover.
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Pull gently to disconnect the bundled cable connector in the side of the speaker. This action will separate the battery from the motherboard.
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