How to Clean Battery Contacts on Electronics

To clean battery contacts in electronics, you can use a mild acid, baking soda, or isopropyl alcohol. 
Simplified version
Wear safety glasses and gloves: The acid in batteries can be corrosive. 
Power off the device: Before cleaning, make sure the device is not powered on. 
Battery Terminal Cleaning
Remove battery from compartment.
Brush off loose corrosion with dry brush.
Apply cleaning solution:
Baking soda paste (mix with water/lemon juice/vinegar).
White vinegar/lemon juice (dip cotton swab).
Isopropyl alcohol for grease removal.
Wipe clean with cotton swab/cloth.
Dry thoroughly with absorbent material.
Apply dielectric grease to terminals.

Tools Needed
•Rubbing Alcohol: 70% or higher isopropyl alcohol. It quickly evaporates and dissolves dirt. Safe for Silver Rivet Contact and other contact materials.
•Cotton Swabs: Soft, lint - free ones are great for reaching small spaces where Silver Rivet Contact is often located.
Soft - bristled Brush: A toothbrush or small paintbrush. Ideal for scrubbing stubborn dirt without scratching Silver Rivet Contact.
•Dry Cloth: Essential for drying contacts, especially important for Silver Rivet Contact to prevent corrosion.
Cleaning Process
1.Power Off and Remove Battery: Switch off the device to avoid electrical risks. Open the battery compartment and carefully take out the battery. Note the position of the Silver Rivet Contact if present.
2.Inspect Contacts: Check for dirt, corrosion, or discoloration, especially on the Silver Rivet Contact, which may show signs of wear due to high usage.
3.Apply Rubbing Alcohol: Dip a cotton swab in rubbing alcohol (damp, not dripping). Gently rub it over the contacts, including the Silver Rivet Contact, to dissolve dirt.
Use Brush for Stubborn Dirt: If needed, use a soft - bristled brush dipped in alcohol to scrub stubborn spots. Be careful around the Silver Rivet Contact to avoid damage.
Dry Thoroughly: Dry the contacts, especially the Silver Rivet Contact, with a dry cloth. Ensure all moisture is gone to prevent corrosion.
4.Reinsert Battery and Power On: Put the battery back, ensuring it makes good contact with the Silver Rivet Contact. Power on to check if performance has improved.
Precautions
•Avoid Harsh Chemicals: Harsh cleaners can damage the metal contacts, especially the delicate Silver Rivet Contact.
•Handle Delicately: Be gentle, especially when cleaning the Silver Rivet Contact to avoid scratches or misalignment.
•Don't Over - Clean: Cleaning too often can wear down the contacts, including the Silver Rivet Contact, reducing its conductivity.
By following these steps, you can effectively clean battery contacts with Silver Rivet Contact and keep your devices running smoothly.