Battery contact springs for AAA, AAAA, N, and 12V batteries, featuring PCB mount capabilities and constructed from spring steel with nickel plating, are an efficient and reliable alternative to Keystone 5204. These springs offer superior durability, corrosion resistance, and conductivity, ensuring a stable and secure connection between the battery and the PCB. The nickel plating enhances conductivity and provides a smooth, consistent connection over time, while the spring steel material maintains resilience and shape even under repeated use. The PCB mount design simplifies installation and replacement, making them ideal for a wide range of electronic devices that rely on batteries for power. These battery contact springs are a cost-effective solution for manufacturers looking to enhance the battery connection capabilities of their products.