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Lenovo Laptop Ac Adapter are made from the highest quality parts, the Lenovo Ac Adapter are tailored made according to the original size, whether the Ac Adapter appearance, size and quality are the same as with the original. Every Lenovo Ac Adapter should be under strict quality control including filtration and safety testing of voltage,capacity and Lenovo Laptop Ac Adapter core before leaving the factory, and has passed the authentication of CE, UL, EMC, CQC, ROHS, etc.
Voltage
The voltage output from the Lenovo Laptop Ac Adapter provides DC to power your laptop. If the voltage does not match the input current requirement of your laptop, your laptop will not function properly. Both high and low voltage will affect the performance of your laptop. and effect your laptop battery life.
Polarity
A power tip will normally have an inner and an outer conductor. The inner conductor may have positive or negative polarity. Based on the polarity you will need to carefully select a Lenovo Ac Adapter. If the positive and negative polarity is connected in the wrong way it will cause severe damage to your laptop. Most of the Lenovo AC adapter have standardized polarity symbols labeled on them, which helps you to buy the right Lenovo Laptop Ac Adapter or Lenovo battery .
