| 摘要 |
A portable water-activated power supply has an insulating body, at least one carbon rod, a metal, a base and a cover. The insulating body has at least one side slot containing water, a middle slot containing water and communicating with the at least one side slot, at least one anode terminal extending to the at least one side slot and a cathode terminal extending to the middle slot. The at least one carbon rod is correspondingly mounted in the at least one side slot and connected to the at least one anode terminal. The metal is mounted in the middle slot and connected to the cathode terminal. The base is mounted on a bottom surface of the insulating body. The cover is mounted on a top surface of the insulating body and has watering holes respectively corresponding to the slots. The water-activated power supply is recyclable and pollution-free.
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