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:

Input	100-240V 50-60Hz
Output	18.5V 4.6A
Power	85W
Certification	CE, ROHS, CEE
Warranty	1 year
Model	18.5v 4.6a
Connecter	Magsafe
Size	80x80x30MM
MOQ	100piece
Payment term	T/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