Problem of use power supply and how to solve it

1, the power adapter when cleaning static:

We need to regularly clean the power adapter charging interface. In the clean, use a damp cloth, or the best preparation of a good quality anti-static cloth. Remember not to use dry cloth!

2, the power adapter to be waterproof and moisture:

The adapter as an electronic product, if not inadvertently into the water or prolonged use when exposed to a humid environment, will be its internal electronic components caused by varying degrees of corrosion or oxidation.