Top 10 4.2V Power Supply – AC Adapters

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1. SMAK N

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SMAKN DC 4.2V/1A 1000ma Supply Adapter,Smart Device Adapter Charge 100-240 AcUS

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SMAK N #ad - Charger with the flow, temperature, constant current output, overcharge, lightning, short circuit, electromagnetic field protection and other functions, pressure, full stop automatically. Using high-quality components, intelligent dual IC program control circuit, chip motherboard design. Cable length: 3. 3ft. Input: 100-240v 50/60Hz. 2. 5mm x 5. 5mm inner diameter x Outer diameter with inside positive polarity.
BrandSMAK N #ad
ManufacturerSMAK N #ad
Weight0.15 Pounds
Part NumberS

2. iCreatin

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ICreatin AC/DC 4.2V 2A Power Adaptor Lithium Battery Charger Single String Polymer Battery Charger 18650 Lithium Battery Charger Full Stop Automatically

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iCreatin #ad - Output interface: 5. 5 x 2. 1mm with built-in leaf spring, compatible with 5. 5x2. 5 / 2. 1mm. Before buying, be sure to confirm that the interface size of this product matches with yours.

With over-current protection, short circuit protection. Enter protection mode, over-voltage protection, over-discharge protection, overcharge protection, with flashing red light). Input voltage: ac 110v / 220v ac100-240V suitable for anywhere in the world voltage level. Output wire length: 1m / 3. 28ft. Wrong size will not work!!! Output: dc 4. 2v 2a suitable for 3. 7v 4. 2v 1-string Lithium Battery Pack.
BrandiCreatin #ad
ManufactureriCreatin #ad
Part NumberMKTBA

3. LM YN

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LM YN 4.2V 1A Power Adapter Li-ion Battery Charger with LED Indicator 5.5 x 2.5 2.1mm Interface Suitable for 3.7V 4.2V 1-String Lithium Battery Pack

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LM YN #ad - If the two do not match, it will not work. Please be sure to confirm the DC port specifications of your device before ordering. Input voltage: ac 110v / 220v ac90-264v suitable for anywhere in the world voltage.

Br>. With over-current protection, over-discharge protection, short circuit protection. Enter protection mode, over-voltage protection, overcharge protection, with flashing red light). Br>. Output interface: 5. 5 * 2. 5mm / 2. 1mm with built-in leaf spring, Compatible with 5. 5x2. 5 / 2. 1mm. Output: dc 4. 2v±02v 1a suitable for 3. 7v 4. 2v 1-string lithium battery Pack,Output Wire length: 1m / 3. 28ft. Br>. Note:the dc output port specification of this adapter is 5.
BrandLM YN #ad
ManufacturerLM YN #ad

4. BUYSIGHT

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BUYSIGHT DC 4.2V 1A UL-Listed Power Supply,4.2V DC Power Adapter,5.5mm x 2.1mm DC Jack and USB 2.0 A Male to DC 5.5x2.1mm 4.3V DC Barrel Jack Power Cable

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BUYSIGHT #ad - Perfect for all buysight lighting products. Three-year warranty, life-long maintenance. Output: dc 4. 2v 1a. Charger for buysigHT Flashlight model 953. Perfect for all products whose charging port specification is 5. 5mm x 2. 1mm DC.
BrandBUYSIGHT #ad
ManufacturerBUYSIGHT #ad

5. Fincos

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Fincos 100-240V AC Converter Adapter DC 4.2V 1A/1000mA Power Supply Charger US Plug 5.5mm 2.5mm2.1mm AC to DC

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Fincos #ad - Input : 100v-240v 50/60Hz. 100v - 240v ac to dc power Adapter Charger. 4. 2v 1a power supply Charger US Plug. Package includes: 1 x  4. 2v 1a power supply Charger US Plug |. Suitable for mini tv, charging equipment, TV box, mobile DVD, wireless audio and video equipment, mobile hard disk, a variety of home / portable devices.
BrandFincos #ad
ManufacturerFincos #ad
Part NumberFCS-D41D8CD98F00B204E9800998ECF8427E

6. SMAKN

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SMAKN DC/DC Converter 12V Step Down to DC 4.2V/3A Power Supply Module

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SMAKN #ad - 40 ℃;. With overload / over-current / over / low voltage protection, stable performance. High efficiency: >96%; reliable, low heat dissipation max. Widely used in car device, gps, dvd, hard disk player, MP3, such as LED Display, etc. All epoxy sealed containers with Waterproof Housing; Non-isolated. Light compact, convenient to use and transport; Auto recovery.
BrandSMAKN #ad
ManufacturerSMAKN #ad

7. SoulBay

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Upgraded Version SoulBay Universal AC/DC Adapter Multi-Voltage Regulated Switching Power Supply with 8 Selectable Adapter Plugs, 2Amps Max, for 3V to 12V Home Electronics

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SoulBay #ad - Attention: dc plug polarity: inner Positive+, Polarity is Not reversible. All-in-one adapter - this 8 adapters in1, which can largely save your space and this one can replace a Lot Chargers. Safe to operate, versatile adjustable charger, Handy to set up at the correct voltage and Easy to attach the adapter plugs.

This replacement power adapter provides a range of voltages, FULL PROTECTION of over Voltages/ over Current/ short Circuits/ over Temperature. Upgraded version - newly designed plugs to make this charger plugged in easily, made of compact material and add a magnet ring. Multivoltage & multitips - variable voltage is easy to select, you can converts to different voltage with ease using the provided key.

Attention: if you are looking for an Opposite Polarity Charger, outer Negative-, Please Search https://www. Amazon. Com/dp/b07gvfKKPR. Bonus: there is also a micro usb plug so this item can also function as an adaptor to turn any USB cable into a charger, new 1. 5 meter cable in length, such as camera. Supporting 12V 1A 1. 5a 2a devices.
BrandSoulBay #ad
ManufacturerSoulBay #ad
Part NumberUC03U
ModelUC03U

8. HomeSpot

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UL Certified USB Wall Charger Power Supply 5v 1A 1000mA Universal Portable Travel Power Adapter Plug Block High Speed for iPhone iPad iPad Samsung HTC LG iPod Nokia Travel Office Home Use

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HomeSpot #ad - Premium performance : input - ac 100-240v, output:dc 5v / 1a. Such as iphone 8/ 8plus/iphone x, iphone 6s/6splus, Samsung Galaxy S8 S7 S6 S5 S4 S3 and More Mobile Phones. Compatibility : compatible with most tables, e-book readers, smartphones, mp3 players, such as iphone 7 plus 6s plus 6 plus se 5 5c 5s 4s 4, kindle, iPad Pro Air 2 Mini 2 3 4 5, ipod touch, oneplus 7, nexus 6p 5x, Samsung Galaxy S7 S7 edge S6 edge plus S5 S4 S3 S2 Note 5 4 3 2, cell phone and other usb supported devices, Bluetooth speaker, htc, LG, Samsung tablets, and more.

Reliability : charger with ic chip inside is designed to identify fully charging with safety usage, and over heating, Protection against over charging, over currents, Charging stops when battery is full.

Us standard : level vi energy efficiency meeting Department of Energy DOE and California Energy Commission CEC regulatory requirements. Does not support Qualcomm Quick Charge. Provides fast charging speed for your cell phone to save more time. Usb wall charger - ul listed number: e178074, ul listed power adapter. Iphone usb wall charger - homespot one-port usb wall charger charges your mp3 players, iphone 7/7 plus, iPhone 6/6 plus 5S 5 4S, digital cameras, USB-enabled Tablet Devices.
BrandHomeSpot #ad
ManufacturerTEN PAO INDUSTRIAL CO LTD #ad
Part NumberS005AYU0500100
ModelS005AYU0500100

9. ZOZO

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ZOZO 12W 3V 4.5V 5V 6V 7.5V 9V 12V Regulated Multi Voltage Switching Replacement Power Supply for Household Electronics Routers Speakers CCTV Cameras Smart Phone USB, Universal AC Adapter

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ZOZO #ad - Input:110-240v, 12v, 4. 5v, 5v, 3. 0mmx1. 1mm, output: 3v, 4. 8x1. 7mm and 1 micro usb plug. It is important to choose the right voltage before powering your device.

Some musical device requires inner Negative and outer positive totally opposite, please check carefully before buying. If your device use alkaline battery AA or AAA, then each piece is 1. 5v, 4 piece choose 6v, 2 piece choose 3V, 3 piece choose 4.5v, if with the wrong voltage, etc. The polarity is not compatible ALL Devices. We especially add a micro USB plug, like Router, it will give much convenience for powering most smartphones and tablets. Dc plugs dimension: 5. 5x2. 5mm, 7. 5v, 9v, 5. 5x2. 1mm, 4. 0x1. 7mm, 2. 5x07mm, 3.
BrandZOZO #ad
ManufacturerZOZOPlus #ad
Part NumberZZ-12W
ModelPA-30150W-ZMX

10. Powseed

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POWSEED 12W Universal AC Adapter Power Supply DC 3V 4.5V 5V 6V 7.5V 9V 12V for Household Electronics CCTV IP Camers Routers Speaker Tablet Webcam USB Devices Multi Voltage 1000mA Wall Charger Cord

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Powseed #ad - Compatible 12 volt 1a /1000ma, 9v, 12v, 7.5v, 1. 5a / 750ma, 5v 2. 5a / 1500mA. Multiple dc tips - a set of popular dimention dc connectors. Various voltage options - from 3v to 12v, wide volt range, perfectly meet a variety of indoor electronics.

An ideal versatile AC adaptor to keep. Package include: 1 x powseed 12w universal Power Supply, 1 Set x Tips, 1 x Voltage Pick Tool. Power polarity - central positve +, Polarity could not be reversed, please make sure your device be with the same polarity requirements. Ac input:110-240v, 075a / 2500ma, 5v, dc output: 3v, 6v, 4.5v, 12w. Works with lots of consumer electronics, webcams, tablets, electronic gizmos, lamp, security cameras, HDMI switchers, usb hub, kids toys, GPS, such as router, led strips, DIY circuits and more.
BrandPowseed #ad
ManufacturerZOZOPlus #ad
Weight0.26 Pounds
Part NumberPA-30150W
ModelPA-30150W-ZMX