Momentum 630. The Batt Comp Rusted

• Put on disposable protective gloves (nitrile, rubber, or other material).
• Open the battery compartment containing the damaged/leaking batteries.
• Carefully remove the damaged batteries and place each battery in a separate sealable plastic bag.
• Use a disposable towel to brush away any loose corrosion (white solid).
• Place a small amount of white vinegar into a small container such as a cup or bowl.
• Using a cotton swab, moisten the tip with vinegar and carefully wipe the corroded contacts. Repeat as necessary to remove all of the white residue.
• Using a fresh cotton swab, moisten the tip with water and wipe the contacts again to remove the vinegar residue.
• Dry the contacts with a disposable towel or fresh cotton swab and place new batteries into the compartment.
• If that doesn't work replace the display here or the battery holder that is similar here.

I hope this is helpful to you!

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1. Put on disposable protective gloves and remove the battery slowly

2. Make sure to use the cloth to dispose the dusts/dents

3. Clean the battery using the Vaccum if required.

4. Apply the distilled water which required level.

5. Close the cap tightly and keep it on charging