Waterproof power supplies work well in tough environments, mainly because of these key features:
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First, they have good water and dust resistance. Unlike regular power supplies that get damaged easily by moisture, most waterproof ones have IP67 or IP68 protection. IP67 models keep out all dust and can be in 1-meter-deep water for 30 minutes. IP68 models are even better, as they can stay under water longer and deeper.
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Second, they have a strong structure and multiple protection layers. They use sealed cases made of strong, anti-rust materials like aluminum alloy or engineering plastic. Inside, the circuit boards are covered with special glue to keep water and dust out, and they also resist shock and conduct heat well. Some high-quality models have pressurized cases to stop water from getting in.
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Besides, they are reliable, energy-saving and safe. They can work with a wide range of input voltage (100-240V), so they can be used around the world. They also convert energy well, which saves power and produces less heat. Most have protections against over-current, over-voltage, short-circuit, over-temperature and overload. They also last long, usually working well for up to 50,000 hours.
