Cheap And Discounts 10-5pcs LM2596 Regulated DC-DC adjustable buck converter 3.0-40V to 1.5-35V power buck module Wholesale. Buy Directly From Merchant Shenzhen Yonglina electronics store Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.