ITEM NAME:3S Li-ion Lithium Battery Protection Circuit Board Module 3 Cell PCB C091 #gib Store Home Promotion Hot Item Add to Fav.1 x 3S Li-ion Lithium Battery Protection Circuit Board. Cylindrical Lithium battery (Li-ion). Clothing, Shoes, Accessories. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.