• Replacement Laptop Charger for Macbook 18.5V 4.6A System 1
Replacement Laptop Charger for Macbook 18.5V 4.6A

Replacement Laptop Charger for Macbook 18.5V 4.6A

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
100 Pieces pc
Supply Capability:
50000 Pieces per Month pc/month

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

 

Features:

 

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

Over Current Protection Green Circuit Design

 

 

Specification:

 

Input100-240V 50-60Hz
Output18.5V 4.6A
Power85W
CertificationCE, ROHS, CEE
Warranty1 year
Model18.5v 4.6a
ConnecterMagsafe
Size80x80x30MM
MOQ100piece
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

 

Q:What is inductance effect
Any current in the circuit produces a magnetic field, and the magnetic flux of the magnetic field acts on the circuit.
Q:Laptop power adapter is used to do
the power adapter to provide power can control circuit through the charging for notebook computer batteries.
Q:Inductance works?
Inductance refers to the coil in the magnetic field activity, can be induced by the intensity of the current unit is "Henry" (H)
Q:The role of inductance in the circuit
On the basis of Lenz's law, the magnetic flux will borrow the voltage by induction (EMF) and tend to resist a change in current. The ratio of change in magnetic flux changing the amount of current is called self inductance,
Q:Linear adapter and switching power adapter
But the linear power supply EMI is low, but the switching power supply EMI is higher, especially the small power.
Q:What is the difference between transformers and inductors
made of silicon steel sheet iron core when the frequency is low, with a ferrite core for high frequency, high frequency is air core coil
Q:What is the difference between the power adapter and the power converter?
The utility model is mainly used for supplying power to another electric appliance
Q:Effect of inductor
The inductor is similar in structure to the transformer but has only one winding.
Q:What is the substitution principle of inductance?
Inductor has a certain inductance, it only hinder the current changes
Q:Laptop power adapter are AC-DC dual-use
General notebook power adapter are DC output, AC DC converter.
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  
Range  
Reference  
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

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