32115 variable dc power products are offered for sale by suppliers on Alibaba.com, of which switching power supply accounts for 14%, variable frequency drivers accounts for 14%, and inverters & converters accounts for 4%.
A wide variety of variable dc power options are available to you, such as 3.3v, 5v and 9v.You can also choose from 10w, 15w and 18w variable dc power,as well as from 1a, 2a, and 3a variable dc power, and whether variable dc power is 100v, 110 v, or 120v.