90W Slim laptop ac adapter for dell PA-3E

90W Slim laptop ac adapter for dell PA-3E Dell Laptop Charger In theory, the laptop accessories  is relatively better, in fact, you may not feel the difference. The normal input voltage allowed by the load has a safe range, such as the nominal value plus or minus 5%. One example is that the input requirement for many 2.5-inch hard drives is 5v plus or minus 5%. The same is true for notebook charger . If the input voltage is too large or too small, notebook power adapter  the protection circuit will operate and stop working. However, before the protection circuit is operated, the internal voltage regulator circuit has been biased toward the upper or lower working limit, and in principle has a certain impact on the life of the device, but from today's point of view, the reliability of electronic components is already quite good, as long as it is Within the scope,computer charger  there will be few problems, and the life will not be shorter than…