Home Promo [Limited Time] 20pcs 6W 2.8V 3V 3.3V to 3.7V DC-DC Step Up Boost Converter for 18650 403040 Li-Po Li-ion Lithium Battery Module Promo - April 20, 2020 [SalePrice] Original Price: US$28.61 ([Discount]) Buy Promo 20pcs 6W 2.8V 3V 3.3V to 3.7V DC-DC Step Up Boost Converter for 18650 403040 Li-Po Li-ion Lithium Battery Module with FREE Shipping Worldwide! Rating : / 4.11 Buy on Banggood Product description SHARE ON Twitter Facebook Whatsapp Pinterest Tags Promo