這鐵鋰電池 有說不能用在白熾燈上! 但是LED好像沒問題 Do not use LFP 123A batteries with incandescent illumination tools. See Restrictions below.
Rechargeable LFP 123A batteries are only to be used to power LED illumination products (built to use 123A lithium batteries) and NOT those featuring incandescent lamps.