Our precision-engineered metal end caps are specifically designed for use in AA (5#) و AAA (7#) مونتاژ باتری, serving as the top and bottom terminals. Made from high-quality nickel-plated steel or custom alloys, these battery caps provide excellent conductivity, مقاومت در برابر خوردگی, and mechanical strength for high-performance battery applications. ویژگی های کلیدی: مناسب برای AA (5#) و AAA (7#) standard sizes Material: …