KENENG can design and manufacture battery springs in a variety of sizes and configurations. We are an excellent battery spring and battery contacts manufacturer. We not only stock many standard-size battery springs, but also offer custom service. KENENG can produce battery holders and button cell battery holders. Of course, it is also a battery spring manufacturer. We can supply battery spring contacts and battery springs. Types include 18650 battery spring, aa battery spring, aaa battery spring, c battery spring, d battery spring, and more.