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Shenzhen Waweis Technology Co., Ltd.

12v 4 2a Power Supply - manufacturer, factory, supplier from China

(Total 24 Products for 12v 4 2a Power Supply)

  • Wholesale 14.5V3.1A 45W Macbook Pro Laptop Power adapter

    Wholesale 14.5V3.1A 45W Macbook Pro Laptop Power adapter

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    Wholesale 14 5V3 1A 45W Macbook Pro Laptop Power Adapter The power adapter of most notebook computers can be suitable for 100 240V AC 50 60Hz Basically most laptops have external power supplies and connect them with a power cord which can reduce the volume and weight of the host Only a few models have the power supply...

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  • Hot Selling 65W Tpye-C-PD QC3.0 Laptop Power Adapter

    Hot Selling 65W Tpye-C-PD QC3.0 Laptop Power Adapter

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    Hot Selling 65W Tpye C PD QC3 0 Laptop Power Adapter USB 3 0 uses a new data packet routing and transmission technology The cable design has 8 internal lines Except for VBus and GND as power supply lines the remaining 3 pairs are all data transmission lines D and D are reserved for two USB 2 0 compatible lines SSRX...

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  • 16.5V 3.65A 60W Power Adapter With Magsafe1

    16.5V 3.65A 60W Power Adapter With Magsafe1

    • Brand: OEM

    • Packaging: 50pcs/ctn gift box/ brown box

    • Supply Ability: 20000/week

    • Min. Order: 50PCS Bag/Bags

    16 5V 3 65A 60W Power Adapter With Magsafe1 Features 1 Intelligent chip to be doubled service life 2 Fiber glass PCB board with longer service life 3 Built in multitier protection design constant current protection constant voltage protection and overload protection Protection function overvoltage protection over...

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  • Wholesale Portable PD QC3.0 5.1V1.0A Laptop Power Adapter

    Wholesale Portable PD QC3.0 5.1V1.0A Laptop Power Adapter

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    Wholesale Portable PD QC3 0 5 1V1 0A Laptop Power Adapter If there are many mobile devices in your home and most of them support 5V 2A charging standards then please try to choose a multi port USB charger with a total output power of more than 30W to ensure that at least two USB ports can use 5V at the same time 2A...

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  • Factory Supply 38W Ultraviolet Ozone Disinfection Lamp

    Factory Supply 38W Ultraviolet Ozone Disinfection Lamp

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Piece/Pieces

    Factory Supply 38W Ultraviolet Ozone Disinfection Lamp The principle of ultraviolet disinfection and sterilization is to use high energy ultraviolet light to break the DNA double helix so as to inactivate bacteria and viruses To achieve effective sterilization and disinfection by ultraviolet rays certain requirements...

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  • Wholesale Factories AC Wall Power Adapter 12W 9V1A

    Wholesale Factories AC Wall Power Adapter 12W 9V1A

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    Wholesale Factories AC Wall Power Adapter 12W 9V1A Power adapter refers to the power supply to provide electrical energy to the device such as computer host power supply printer power supply monitor power supply these are not called charger The power adapter has the characteristics of small size energy saving and...

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  • Wholesale 90W New Electric QC Power Car Charger

    Wholesale 90W New Electric QC Power Car Charger

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    Wholesale 90W New Electric QC Power Car Charger Car charger is an accessory for charging digital products anytime and anywhere with the help of car power supply saving you battery expenses These products generally have overload protection short circuit protection high voltage input protection high temperature...

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  • ODM OEM Power Supply Automatic Recovery High Efficiency

    ODM OEM Power Supply Automatic Recovery High Efficiency

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    ODM OEM Power Supply Automatic Recovery High Efficiency According to whether there is electrical isolation between input and output DC DC DC converters can be divided into two categories one is isolated and called isolated DC DC converter the other is non isolated and called non isolated DC DC converter Shenzhen...

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  • 12V24V Strip DC Regulated LED Switching Power Supply

    12V24V Strip DC Regulated LED Switching Power Supply

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    12V24V Strip DC Regulated LED Switching Power Supply There are two modern switching power supplies one is DC switching power supply the other is AC switching power supply The main introduction here is only the DC switching power supply Its function is to convert the original ecological power supply coarse electricity...

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  • 100 Watt 12v8.3a SMPS with CE FCC RHOS

    100 Watt 12v8.3a SMPS with CE FCC RHOS

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    100 Watt 12v8 3a SMPS with CE FCC RHOS Switching power supply products are widely used in industrial automation control military equipment scientific research equipment LED lighting industrial control equipment communication equipment power equipment instrumentation medical equipment semiconductor refrigeration and...

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  • 72W 12V6A DC Regulated LED Switching Power Supply

    72W 12V6A DC Regulated LED Switching Power Supply

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    72W 12V6A DC Regulated LED Switching Power Supply If the high efficiency volume and weight of the power supply are the key points the switching power supply is better than the linear power supply However the switching power supply is relatively complicated and the internal transistors will be frequently switched If...

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  • Wholesale 12V2A Regulated LED Quiet Switching Power Adapter

    Wholesale 12V2A Regulated LED Quiet Switching Power Adapter

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    Wholesale 12V2A Regulated LED Quiet Switching Power Adapter The switching power supply is different from the linear power supply The switching transistors used in the switching power supply are mostly switched between the fully open mode saturation area and the fully closed mode cutoff area Both modes have the...

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  • Electric AC DC 5V30A LED Switching Power Supply

    Electric AC DC 5V30A LED Switching Power Supply

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    Electric AC DC 5V30A LED Switching Power Supply Switch Mode Power Supply SMPS also known as switching power supply and switching converter is a high frequency power conversion device and a type of power supply Its function is to convert a level of voltage to the voltage or current required by the user through...

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  • QC3.0 5 USB Multi Wireless Quick Power Adapter

    QC3.0 5 USB Multi Wireless Quick Power Adapter

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    QC3 0 5 USB Multi Wireless Quick Power Adapter As the name suggests the five hole USB socket adds a USB interface to the five hole socket The five hole USB socket is a general purpose socket with safety and power saving and a USB interface It includes the socket body The socket body is provided with a USB female seat...

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  • OEM 90W 19V4.74A 6330mm Tip Toshiba Power Supply

    OEM 90W 19V4.74A 6330mm Tip Toshiba Power Supply

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    OEM 90W 19V4 74A 6330mm Tip Toshiba Power Supply The first thing to know is that the power supply for the notebook is different from the battery for the notebook Battery power supply the output of the battery is pure DC very clean the battery voltage is neither possible nor need to be designed very high the chemical...

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  • High Quality 65W Toshiba Laptop Adapter 19v3.42a 5.5*2.5mm

    High Quality 65W Toshiba Laptop Adapter 19v3.42a 5.5*2.5mm

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    High Quality 60W Toshiba laptop Adapter 19v3 42a 5 5 2 5mm The power supply voltage is the same the output current is different can it be used on the same notebook The basic principle is that a power supply with a large nominal current can replace a power supply with a small nominal current Some people may think this...

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  • PA-90W 15V6A Toshiba Laptop Power Charger 6.3*3.0mm Tip

    PA-90W 15V6A Toshiba Laptop Power Charger 6.3*3.0mm Tip

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    PA 90W 15V6A Toshiba Laptop Power Charger 6 3 3 0mm Tip What is the power adapter The power adapter is also called an external power supply Its role is to convert the high voltage of 220 volts at home into a stable low voltage of 5 volts to 20 volts that these electronic products can work It is a power supply voltage...

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  • Wholesale 65W 15V5A 6.3*3.0MM Toshiba Computer Power Adapter

    Wholesale 65W 15V5A 6.3*3.0MM Toshiba Computer Power Adapter

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    Wholesale 65W 15V5A 6 3 3 0MM Toshiba Computer Power Adapter What is the power adapter The power adapter is also called an external power supply It is a power supply voltage conversion device for small portable electronic equipment and electronic appliances Its role is to convert the high voltage of 220 volts at home...

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  • Wholesale 19V3.42A Asus Laptop Computer Charger 5525 Tip

    Wholesale 19V3.42A Asus Laptop Computer Charger 5525 Tip

    • Brand: OEM

    • Packaging: 50 pcs/ctn hard box brown box

    • Supply Ability: 20,0000/week

    • Min. Order: 50 Piece/Pieces

    Wholesale 19V3 42A Asus Laptop Computer Charger 5525 Tip OVP OCP SCP Protection OVP Over Voltage output Protection OCP Over Current output Protection SCP Short Circuit output Protection World Wide Input Voltage 100 240VAC 50 60Hz Compatible with ASUS A450 K401 K501 F554 F555LA X450 X502 X550 X551 X551MA X552 X552L...

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  • OEM 19.5V4.62A 7.4MM5.0MM 90W Charger for HP Laptop

    OEM 19.5V4.62A 7.4MM5.0MM 90W Charger for HP Laptop

    • Brand: OEM

    • Packaging: 50pcs/ctn

    • Supply Ability: 200,000/week

    • Min. Order: 50pcs Bag/Bags

    OEM 19 5V4 62A 7 4MM5 0MM 90W Charger for HP Laptop The operating principle of the micro switch is the external mechanical force ACTS on the action reed through the transmission elements push pin button lever roller etc and accumulates the energy to the critical point producing instantaneous action making the moving...

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  • Universal 65W 19V 3.42A Asus Laptop AC Adapter

    Universal 65W 19V 3.42A Asus Laptop AC Adapter

    • Brand: OEM

    • Packaging: 50 pcs/ctn hard box brown box

    • Supply Ability: 20,0000/week

    • Min. Order: 50 Piece/Pieces

    Universal 65W 19V 3 42A Asus Laptop AC Adapter Asus Laptop Power Adapter Charger Power 19V 3 42A 65W Connector size 5 5 2 5 mm Compatibility Asus D550CA D550M D550MA D550MAV F502CA F551M F555LA F555UA K501UW K550CA K550LA R503U R510C R510CA R510L UL30A X550ZA X552LAV X555LA A52F A53E A53S A54C A55A A55VD K50I K50IJ...

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  • QC3.0 USB 12V 24V Car Holder Phone Charger

    QC3.0 USB 12V 24V Car Holder Phone Charger

    • Brand: OEM

    • Packaging: 100pcs per carton.

    • Supply Ability: 20,0000/week

    • Min. Order: 50 Piece/Pieces

    QC3 0 USB 12V 24V Car Holder Phone Charger Universal Compatibility Compatible with all USB powered devices include Android Apple phones and tablets Dual Quick Charge 3 0 USB Car Charger Charge devices up to 4x faster than conventional charging with QC 3 0 Backward compatible with Quick Charge 2 0 1 0 provide standard...

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  • OEM Sony Power Adapter 19.5V4.7A 6.5*4.4mm Pin Connector

    OEM Sony Power Adapter 19.5V4.7A 6.5*4.4mm Pin Connector

    • Brand: OEM

    • Packaging: package canton

    • Supply Ability: 200,000/week

    • Min. Order: 50 Bag/Bags

    OEM Sony Power Adapter 19 5V4 7A 6 5 4 4mm Pin Connector Model PA 90W Input 100 240V 50 60Hz 1 5A Output 19 5V 4 7A 1 2m DC Copper Cord with Ferrite Exactly Connector Design To Match with Laptop Prefectly Standard DC Jack 6 5 4 4mm Tranditional AC Connector Design More Stable and Reliable ABS and PC Combination...

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  • 12V 250W LED LCD Switching Adapter Supply

    12V 250W LED LCD Switching Adapter Supply

    • Brand: OEM

    • Packaging: PP Bag+Brown hard paper box. 40pcs per carton. Or as customiszed.

    • Supply Ability: 20,0000/week

    • Min. Order: 50 Piece/Pieces

    12V 250W LED LCD Switching Adapter Supply High quality Switch Power Supply Widely used in Industrial automation LED display etc With anti jamming to ensures the long life LED lamps and reduce the LED luminous decay Universal AC input Full range The input voltage AC 100V 240V the output current

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Review

Gh. Ahmadi

Jun 12, 2020 5

Very exquisite 12v 4 2a Power Supply ! thanks manufacturer.
Nkem Uduje

Jun 09, 2020 5

Thank you!Looking forward to the next cooperation
Sherece Fawes

Jun 04, 2020 5

The quality of 12v 4 2a Power Supply is good. fits the description. fast delivery.
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"""Quality very first, Honesty as base, Sincere assistance and mutual profit"" is our idea, in an effort to create consistently and pursue the excellence for 12v 4 2a Power Supply , 12v 40a Power Supply , 12v 1a Power Supply , We pay high attention to customer service and cherish every customer. We have maintained a strong reputation in the industry for many years. We are honest and work on building a long-term relationship with our customers.

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Jasmine Fu

Ms. Jasmine Fu

Tel:86-0755-28682227

Fax:86-0755-28682227

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Address:No. 24-1, Longxing Road, Yuanshan Street, Longgang, Shenzhen, Guangdong

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