AC Macbook Laptop Power Adapter Charger 45w

AC Macbook Laptop Power Adapter Charger 45w

• When choosing a battery charger, it is necessary to consider the battery type, input parameters, output parameters, original installation, service life and other factors. For example, the battery type includes lithium ion battery, lead-acid battery, nickel-cadmium battery, lithium battery, battery, etc. The service life has one year, three years above, three years, two years and so on.

• As the Power Supply in the family is generally about 100v-240v (alternating current, referred to as AC), car and aircraft power supply is generally about 12V (direct current, referred to as DC), but these three commonly used power supply is unstable, can not be directly charged to the laptop, otherwise it will damage the battery and laptop. Notebook computers require a steady supply of constant voltage dc. So the working principle of the notebook power adapter is simple: it is the unstable power supply using the principle of Switching Power Supply through the conversion circuit into the constant voltage dc power required by the laptop, to power and charge the laptop.
  

• 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 UL, CE, FCC, KC, PSE, SAA, GS 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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