About US40a 19
Battery
US40a can be operated only by the attached or optional battery pack without use of the AC adapter.
Battery Pack
The battery pack available for US40a uses lithium-ion battery.
Lithium-ion batteries are valuable and recyclable resources.
Notes on recycling of lithium-ion battery
Do not make batteries short-circuited. To insulate the battery terminal, stick the tape on
the terminals or put the battery in the plastic bag. Failure to follow this may cause fire or
electric shock.
Do not peel off exterior covers (such as coating and tubes) from batteries.
Do not disassemble batteries.
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