10Pcs Battery Spring Contact 28 X 12Mm, Negative Positive Bipolar

What is this?Made of quality brass with a high copper content, these springs offer excellent conductivity, and a stable, low-resistance conductive path. The nickel-plated surface provides oxidation and corrosion resistance, ensuring durability and effectively extending battery lifespan. They are designed to fit different battery compartments, suitable for a variety of appliances like remote controls and alarm clocks.What will I get?Overall Size: 28 x 12mm / 1.1" x 0.47" (L x W)Thickness: 0.3mm / 0.01"Plug type: Spring ContactMaterial: Brass, NickelingIn the package: 10Pcs x Battery Spring Plate Are there any advantages of the product?The spring contact design ensures a stable and reliable connection, withstands repeated compression and expansion, enhancing the functionality of your battery devices. How to use it?Simply insert the contact plate into the battery compartment, and it’s ready to use. What should I notice?Ensure the device is turned off before replacing the contact plate to prevent electrical short circuits.