20 Pcs Battery Metal Spring Contact Plate 20mm x 9.9mm Negative Positive Bipolar Conversion Nickeling Plate

What is this?
Made of excellent quality nickel plated steel, not only offer superior conductivity but also enhance durability, effectively extending battery use time.They are designed to fit different battery compartments, suitable for a variety of appliances like remote controls and alarm clocks.

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.