| 摘要 |
PROBLEM TO BE SOLVED: To even battery lives so as to reduce the number of battery replacement in conventional battery type water feeding apparatuses in which a frequency of battery replacement is varied because uneven battery lives therebetweeen when many water feeding apparatuses are provided and even the latest one having a power generating function for prolonging a battery life requires battery replacement for a specific apparatus according to a using frequency and a power generation amount. SOLUTION: In a device using an electrical supplying system based on an electrical supplying part arranged in common between a plurality of water feeding apparatuses or a device having power generating mechanisms for respective water feeding apparatuses, generated power energy is distributed to all the connected water feeding apparatuses, and consequently, the number of battery replacement can be reduced.
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