Battery Corrosion In Electronics

Battery Corrosion in Electronics: How to Get Free From it?

Battery corrosion in electronics devices is a type of rust appears on the base of the battery, remote and other devices, which renders the device or battery ineffective. It usually happens for metal ions are attracted to saltwater, the gradual destruction of metal by the chemical action of water or air. Battery corrosion may make your electronic device rust.

This article may help you to find some solution that how to prevent battery corrosion in electrics like flashlights, battery terminal and some question answer on it.

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Safety Guide

Before you check the battery corrosion you need to be a little bit careful because battery corrosion would irritate your skin, it releases battery acid which causes a health hazard. and sometimes it can be a blast. So, you need to a

  • Using Hand gloves
  • Wearing Sunglasses
  • Take the Battery in a Safe and well-lit area

Remove the Battery Corrosion in Electronic?

wearing hand gloves to remove battery corrosion with the  q-tips

Battery corrosion is a common problem and I am sure many more peoples experience this type of corrosion. Usually, most people are buying a new one if their battery is corroded. but it’s really simple to get rid of it, and functioning the battery/device as well.

This simple way you can prevent your battery corrosion in electronics, The steps are discuss below; 

Steps 1: 

Carefully remove the battery from your device and the mess is showing in your device, take out all the mess and take a screwdriver to come unstuck that nothing left into the device, now you use a cloth for dried it up.

Steps 2: Using Anti-Corrosion Gel

A full syringe of Anti-Corrosion Gel

After that take rust dissolving gel and pour some in a pot and mash with q-tips, and put this right on that terminal, rub the terminal well and sit for a minute. Continue like this for 5 to 10 minutes.

Steps 3: Using Petroleum Jelly

Pour some petroleum jelly on q-tips and rub again on that terminal, it will protect your device from rusting up.

Homemade Steps:

Loosen all the mess of the corroded area with a screwdriver, if there is vinegar or coke in your home pour some on q-tips and rub on the battery corroded portion wait for 30 seconds, and do like this for 3 to 5 minutes. Dry it up with a cloth.

Now you can check your battery or device. Hope it would be perfectly all right.

Why does Electric Battery Corrode?

The two most common types of corrosion are oxidation and galvanic corrosion. Some common factors are mentioned below for the deterioration of your electronic battery.

  • Overcharging,
  • Deep discharging,
  • Long periods of disuse and,
  • Leakage
  • Storing your device in a damp and moisture place

It can still happen if there are any small defects in the battery. These issues also result in the losses of battery capacity which will ultimately result in your device not functioning or weakened performance.

How do We Check for Battery Corrosion?

showing how to battery corrosion by a check mitter

When you are checking for battery corrosion, you need to make sure that the battery is in a well-lit area. You also need to make sure that the terminals are not touching anything. One way to check is with a voltmeter and, other one is something you can see that white or brown color hard liquid is stuck in your device.


Increasing electronics battery may increase some easily solvable problems like battery corrosion. Corrosion is a concern for many people who use electronic devices with rechargeable batteries and there is a saying that prevention is better than cure. So, be careful about overcharging, avoiding discharging before full charge, store the device in a right place to avoid moisture and dampness.

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