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4 Getting Started
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4.2 Battery
EF400 uses a Lithium-ion rechargeable battery. Install the provided battery before charging the device.
4.2.1 Installing the Battery
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Slide the battery lock and lift up the battery cover.
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When removing the battery cover, be careful not to damage your fingernail.
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Do not try to pull the battery cover excessively. It may damage the cover.
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Insert the battery. Make sure the gold contacts are aligned.
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