Lower alcohol percentages mean there is more water in the solution, which can corrode your charger.
Often, chargers that fail due to corrosion have a visibly dirty fifth gold pin (when viewed with the metal tip below the white insulation). This is the most powerful circuit, so be sure to clean it as well as you can.
If you damage a gold connector, the charger will stop working permanently, so do not scrape too hard!
If you are not sure what soap to use, dishwashing detergent or hand soap will work!
Chargers that stop working due to corrosion often have a significant amount of buildup on the fifth gold pin (when viewed with the metal tip below the white insulation). This is the most powerful circuit, so be sure to clean it as well as you can.
Do not clean your charger tip with running water! If there is a leak in the cable connector housing, it will ruin the charger.
