Our precision-engineered metal end caps are specifically designed for use in AA (5#) na AAA (7#) mkusanyiko wa betri, serving as the top and bottom terminals. Made from high-quality nickel-plated steel or custom alloys, these battery caps provide excellent conductivity, upinzani wa kutu, and mechanical strength for high-performance battery applications. Sifa Muhimu: Inafaa kwa AA (5#) na AAA (7#) standard sizes Material: …