| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting device, a lighting system, a lighting unit and a battery unit having permeation resistance and capable of lighting at the time of power failure.SOLUTION: A light source unit 30, a power supply module 21 and a control unit 22 are stored in a globe 11 while keeping permeation resistance, and there are provided a lighting unit 20 having cables 61 and 62 fed out of end segments 20A and 20B and a battery unit 50 having a battery 55 stored in a casing 51 while keeping its permeation resistance and having a cable 63 fed out of the end segment. Each of the cables 62 and 63 is connected to each other by a connector 40 out of the units 20 and 50 while keeping permeation resistance. |
