白炽灯、led灯和节能灯的瓦数换算方法是:1WLED=3WCFL(节能灯)=15W白炽灯3WLED=8WCFL(节能灯)=25W白炽灯4WLED=11WCFL(节能灯)=40W白炽灯8WLED=15WCFL(节能灯)=75W白炽灯12WLED=20WCFL(节能灯)=100W白炽灯
节能灯18w相当于led灯管2瓦1WLED=3WCFL(节能灯)=15W白炽灯3WLED=8WCFL(节能灯)=25W白炽灯4WLED=11WCFL(节能灯)=40W白炽灯8WLED=15WCFL(节能灯)=75W白炽灯12WLED=20WCFL(节能灯)=100W白炽灯