| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply with a current sensor for correctly detecting a current, thus allowing ideal usage all the time. SOLUTION: A power supply comprises a battery holder 1 for holding a plurality of batteries, a current sensor 2 for detecting a current flowing from batteries, a fuse unit 3 for cutting off an excessive current flowing from the batteries, and a relay unit 4 for cutting off a current flowing from the batteries upon malfunctioning. The battery holder 1 is arranged between the current sensor 2 and relay unit 4.
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