Generally lithium batteries come in a rectangular or cylindrical shape with metal casing. This casing is usually silver, gray, or black. They usually have printed labels that show voltage and brand logos. The “right look” matters on two levels: operators need a battery that physically fits and delivers the. Li-ion cells come in three distinct physical forms — and each looks noticeably different from the others. This guide covers every major format in plain English, with clear visual descriptions of shape, color, labels, and symbols — plus how to tell a rechargeable lithium-ion cell apart from a. Understanding what a lithium-ion battery looks like helps in identifying and safely handling these power sources. Recognizing their physical characteristics, symbols, and labels ensures. Currently, lithium battery packs are widely used in electric vehicles, home backup storage, solar energy storage systems, uninterruptible power supplies (UPS), communication base stations, and various types of industrial equipment. However, lithium batteries have various shapes, sizes, and configurations. Lithium-ion battery packs dominate these applications due to their high energy density characteristics, extended cycle life performance, and favorable weight-to-power ratios. Lithium-ion technology serves as the primary.