Adamclick Laptop Charger 20V 4.5A. 90 W Adapter  (Power Cord Included)

Replacement Laptop AC Power Adapter/Charger for Laptop enables you to operate your notebook or charge the battery from electrical power outlets. If you are running your computer on AC power with a battery installed, the adapter charges the battery (if needed) and maintains its charge. When the system is off, the AC adapter will charge the battery and then maintain its charge. Made from highest quality parts Koloredge replacement adapter confirms to specifications similar and guaranteed to meet or exceed your laptop's minimum requirements. Koloredge adapter also passes necessary authentication certifications like CE, ROHS etc. Before leaving the factory, so you can be rest assured for its quality, durability and performance. Please make sure that you are selecting the correct adapter as per you old charger specification. Please compare your old Adapter Power Rating i.e. Volts (V), Amps (A), Watt (W) and Pin / Tip / Connector Size. Still have questions you can contavct our customer service center +918586868845 Some important Q and A are bellow to help you to select a right adater for your Laptop: Q: What is the output voltage / current and power? A: The laptop adapter label affixed, usually marked with a voltage / current and power parameters, the unit is voltage “V”, the current unit is “A”, for example: 19.5V4.7A, represents the voltage is “19.5V”, current is “4.7A”, This laptop adapter power is: 19.5V * 4.7A = “91.65W”, Slightly equal to “90W”. Q: Fluctuation range of the output voltage is the number? A: In accordance with industry standard laptop adapter output voltage fluctuation range of ± 5%, for example: 19.5V laptop adapter, its output voltage fluctuation range: between 18.5V-20.4V. Q: My laptop adaper is 4.7A, 3.3A can I use it? A: Can be used, 4.7A backward compatible 4.35A 4.1A 3.9A 3.3A 2.3A, so in the same 19.5V case, 4.7A adapter can be used in 3.3A laptop. However, the 3.3A adapter can not be used on a 4.74 laptop, and the power shortage will burn the power supply. Q: Is there a variety of power interfaces? A: Yes, the power interface type is very large, most can not be universal. So when you choose an adapter, you need to select the appropriate adapter. Q: What protection power adapter? A: Mainly to prevent over-voltage / prevent over-current / prevent undervoltage / prevent the temperature is too high / protect against short circuits. Q: Why not recommended laptop adapter on a bed / sofa? A: Laptop adapter at work, some energy is converted into heat, heat dissipation through the housing, linens / sofa would be detrimental to the heat, and even lead to the laptop adapter starts overtemperature protection, is not conducive to the notebook adapter is working correctly.