Keystone manufactures the 5230, an SMT leaf spring contact with a tin nickel plate. This single contact component is designed for AAA, AAAA, N, 23A, and 27A batteries, measuring 12.7 x 5.08 x 9.86 mm. It is typically used in battery holders, clips, and brackets for various electronic and rechargeable accessories. https://elecena.pl/product/28779303/keystone-5230-smd-contact-for-aaa-aaaa-n-23a-27a-tin-nickel-coated 2025-05-22 https://elecena.pl/product/28779303/keystone-5230-smd-contact-for-aaa-aaaa-n-23a-27a-tin-nickel-coated 2025-07-18