| 摘要 |
An LED lamp unit 100 engages with, and receives electrical power from, a lamp unit holder. The LED lamp unit 100 has LEDs, a rechargeable power source 106, a first electrical connecting means 112 to connect the LED lamp unit 100 to a first electrical power source 118 in the lamp holder and a second electrical connecting means 110 connects the LED lamp unit 100 to a second electrical power 120 source to charge the rechargeable power source 106. |
