Replacement Laptop Charger for Macbook 18.5V 4.6A

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Product Description:

18.5V 4.6A replacement laptop charger for macbook. Find us can save your time and money




Input 100~240VAC 50/60Hz High Efficiency Short Circuit Protection Over Voltage Protection

Over Current Protection Green Circuit Design





Input100-240V 50-60Hz
Output18.5V 4.6A
CertificationCE, ROHS, CEE
Warranty1 year
Model18.5v 4.6a
Payment termT/T, Western Union, Paypal


Compatible with:

Most Apple MacBook 13" Laptops Most Apple for macbook MacBook PRO Laptops Most Apple MacBook Pro 13"

Laptops MacBook 13" 1.83/2 GHz Core Duo MacBook 13" 1.83/2.16 GHz Core 2 Duo


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Q:What is inductance effect
An inductive device is called an inductor (inductor, which is generally referred to as an inductor in Chinese), and the inductor is usually a coil, which can gather the magnetic field.
Q:Linear adapter and switching power adapter
Linear adapter and switching power adapter is also known as linear power supply and switching power supply
Q:Is the inductor inductor
A reactor is also called an inductor. When a conductor is energized, a magnetic field is generated in a certain space occupied by it, so that all the current carrying conductors have a general sense.
Q:How to choose the high quality inductor?
. Two inductance coil inductance at the same time, according to the definition of Q value (XL/R) selection of small scale values
Q:Inductor and inductor coil is not a concept
When an electric current passes through the coil, a magnetic field is created around the coil
Q:What is the power adapter
, this is because in real life, electronic devices are often not directly use household power
Q:The value of the inductance is determined by what
The quality factor of the inductor is related to the DC resistance of the coil conductor, the dielectric loss of the coil frame, and the loss caused by the iron core and the shield.
Q:Inductance is what concept?
The coil core than the coil inductance without core coil core permeability volume; the greater the inductance is greater.
Q:Inductance has no direction?
To discuss the situation: in the general filter circuit, the direction is not large; but if used in the PWM output inductance, this direction is too critical.
Q:What are the main parameters of inductance?
There are five important parameters of inductance: inductance, allowable deviation, quality factor, distributed capacitance and rated current
Our products have perfect protection functions, which includes complete over-charge, over-release, over temperature, over-current and over-voltage and have stable, safe and reliable performance.

1. Manufacturer Overview

Location Guangdong,China (Mainland)
Year Established 2008
Annual Output Value US$5 Million - US$10 Million
Main Markets 16.00% Western Europe
14.29% Central America
14.29% South Asia
13.00% South America
11.00% North America
10.00% Eastern Europe
8.50% Southeast Asia
Company Certifications ISO 9001-2008; RoHS; FCC; CE

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Shenzhen,HK
Export Percentage 81% - 90%
No.of Employees in Trade Department 11-20 People
Language Spoken: English, Chinese, Spanish, German, French, Russian
b)Factory Information  
Factory Size: 3,000-5,000 square meters
No. of Production Lines Above 10
Contract Manufacturing OEM Service Offered Design Service Offered Buyer Label Offered
Product Price Range High and/or Average