High Quality 19.5v 4.62a 7.4mm5.0mm 90w for Dell

High Quality 19.5v 4.62a 7.4mm5.0mm 90w for Dell

• The main reasons why different brands of laptop power adapters are not universal:
  1.Most laptop power adapters have different interfaces from brand to brand, which means that a power adapter from another brand won't plug into your laptop for power at all. The interface difference is relatively safe, because at least you won't have to plug in a power adapter with a bad current or voltage to power your laptop and cause hardware damage.
  
  
• 2, different brands of notebook computer power adapter voltage is not the same, such as: generally, IBM is 16V, Dell is 20V, Hp is 18.5v, Sony is 19.5v. Thus, even if the power adapter interface is the same, you can't use different brands of laptop power adapters for Power Supply.
  
  
• 3. Different current, different brands of notebook computer power adapter current is not the same, for example: under normal circumstances, IBM is 4.5a, Dell is 3.34a, Hp is 2.7a, Sony is 4.1a, etc.
  
  
  
• Note: the voltage and current of the power adapter for the same brand of laptop also vary. Therefore, even if the same brand of laptop power adapter between the power adapter to confirm the voltage and current specifications.

• Shenzhen Waweis Technology Co., Ltd. is a high-tech enterprise engaged in r&d, production and sales of notebook adapters. Main: switch power supply, power adapter, charger, LED power supply and other products professional production and processing. The products have passed CE, FCC,  and other certifications. The products produced by the company have perfect protection function, stable performance, safe and reliable. With professional r & d, production and sales experience, the company has accumulated strong technical advantages and rich market resources in the field of power adapters. The company is now able to provide a full range of alternative adapters for the world's major brands of notebook computers.

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