Top 10 4V Power Supply – AC Adapters

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1. SHNITPWR

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SHNITPWR 60W Universal Power Supply DC 3V 4V 4.5V 5V 6V 7V 7.5V 8V 9V 10V 11V 12V Adjustable Variable Power Adapter 100V-240V AC to DC Converter 1A 2A 2.5A 3A 4A 5A with 14 Tips & Polarity Converter

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SHNITPWR #ad - Input: ac 100~240v, etc and any amp less than 5a, 500ma, 4.5a, 50/60hz ; output: dc 3~12v adjustable, 3. 5a, such as 300ma, 2. 5a, such as 3v 3. 5v 4v 4. 5v 4. 8v 5v 5. 5v 6v 6. 5v 7v 7. 5v 8v 8. 5v 9v 9. 5v 10v 105v 11v 11.

5v 12v, 2a, 1a, 5a. The 60w all-in-one multipurpose ac/dc adapter fit for many 3~12v small household electronics such as led strips, USB fan, smart speaks, digital photo frame, DC pump, DVD Player, USB Hub, wireless routers, under-cabinet light, Wifi IP camera, CD Player, hard disk box, DC motor, essential oil diffuser humidifier, TV Box, DVR NVR surveillance system etc. Automatic over voltage cut-off, over temperature cut-off, no explosion, over current cut-off, no fire hazard, no spontaneous combustion, short circuit cut-off.

We especially add a reverse polarity converter, 6. 3x3. 0mm, which will double its application scope. 6ft long power cable makes it convenient to use. Lcd display will show the output voltage, 1. 5a, 3a, 4a, max 5a 60w ; it can supply with any voltage between 3~12V, in case that wrong voltage regulation damage your device.
BrandSHNITPWR #ad
ManufacturerSHNITPWR #ad
Weight0.66 Pounds
Part NumberSNT-0312-60
ModelSNT-0312-60

2. PERFEIDY

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4V 2A 1.5A 1A Charger 4.0V AC Adapter 8W Max Switching Power Supply DC 4V 2000mA 1800mA 1600mA 1000mA 600mA Adaptor Regulated Transformer Cord with 10 Interchangeable Jacks UL Listed Plug PERFEIDY

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PERFEIDY #ad - What you get: 1 x 4v 2a max class 2 universal ac to dc power adapter, 10 x interchangeable DC jacks, 30 days refund, 12 months exchange, ️ Please DOUBLE CONFIRM the DC jack dimensions to ensure the compatibility.

Ul listed 4v 2a 1. 5a 1a ac to dc charger, replacement power adapter build in short circuit/over current/Over voltage/Over temperature protection, Regulated 4. 0v power cord tested & approved and certified by UL, Energy Efficiency VI, Safe charging for your DC 4V 2A max input devices. 4v 2a 1. 5a 1a switching power supply, 500ma, 1500ma, 1.1a, 09a, 1600ma, 1. 8a, 800ma, 1. 5a, 07a, 1400ma, 08a, 05a, 03a, 1. 4a, 04a, 1. 3a, 1. 2a, power supply works for the devices which ask for a less than 4v 2a 8w power adaptor, 400ma, 650ma, 4.
BrandPERFEIDY #ad
ManufacturerPERFEIDY #ad
Part NumberPKYLK04JYOQK
Warranty2 Year

3. SHNITPWR

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SHNITPWR 4V, 12V Power Supply 10A 120W AC to DC Adapter DC 4V 4.5V 5V 6V 7V 8V 9V 10V 11V 12V Voltage Adjustable Universal Power Converter Transformer 100-240V AC In with 14 Tips & Polarity Converter

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SHNITPWR #ad - Automatic over voltage cut-off, no spontaneous combustion, short circuit cut-off. You can screw wires onto it easily, which will double its application scope. The 120w all-in-one multipurpose ac/dc adapter fit for many 4~12v electronics such as dc linear motor, hard disk box, TV Box, wireless routers, humidifier, USB fan, digital photo frame, LED strips, wifi camera, under-cabinet light, dc pump, smart speaks, USB Hub, essential oil diffuser, DVR NVR surveillance system etc and other devices under 120W.

It comes with an original 5. 5x2. 5mm tip and 14pcs frequently used tips: 6. 5x4. 4mm+pin, 5. 0x2. 5mm, micro-usb, 5. 5x3. 0mm+pin, 4. 0x1. 7mm, perfect for diy projects. 6ft long power cable makes it convenient to use. No noise, over temperature cut-off, over current cut-off, no explosion, no fire hazard, safe to use. Built-in multiple safety protection systems.
BrandSHNITPWR #ad
ManufacturerSHNITPWR #ad
ModelSNT-0312-120

4. 4VWIN

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4VWIN Universal Power Supply Adapter AC 120V to DC 3-12V Multi Volatge Max 30W Transformer with 8 Different Plugs Micro USB for Various Electronic Appliances, Speakers, CCTV Cameras

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4VWIN #ad - Contains free 8 different sizes of output dc tips: 5. 5*2. 5mm, 3. 5*1. 35mm, micro, 2. 5*07mm, led Terminal Connector. We especially add a micro usb plug.

So it will give much convenience to turning any USB cables into charges, such as charging smart phone, tables and Cameras. Small household Appliances usually don't have circuit protection. It's very important t choose the right voltage before powering your device. It will work great with this Adapter by a matching tip and proper volatge/polarization. Input: ac 100-240v 025a 50/60hz, output: dc 3v 4v 5v 6v 7. 5v 9v 12v max. 30w, usb output: 5V 2. 1a. With these different voltage Tips, 3. 0*1. 1mm, 5. 5*2. 1mm, 4. 0*1. 7mm, you can save a lot of buying different voltage AC adapters.
Brand4VWIN #ad
Manufacturer4vwin #ad

5. UPBRIGHT

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UpBright AC Adapter Compatible with Ryobi HP44L HP44LW HP44LVN HP44LK 4V Quick Turn Lithium Screwdriver HP44 L LW LVN QuickTurn Driver 720217005 720217009 DC 4.5V 6.5V 6.8V 200mA Power Supply Charger

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UPBRIGHT #ad - Upbright 30 days money back guarantee. Note: rechargeable batteries don't last forever, the average battery last 1 to 3 years. But not charger's problem. You must have a volt meter in order to tell whether or not a charger is working.

Ocp: over Current output Protection. 1 full year service warranty. Scp: short Circuit output Protection. If the battery is old/dead, it will not accept a charge. In great Working Condition. Cordless screwdriver hp44 l hp 44l hp 44 l lw lvn quickturn 4v dc 4vdc rechargeable li-ion battery electric driver 4. 0v 5 wh 4v 5wh screw driver drill Use with Charger 720217005 4. 5vdc 160ma 6. 5v 200ma dc4. 5v 016a dc6. 5v 02a 4. 5v - 6. 5v 4. 5 v - 6. 5 volts switching plug in class 2 transformer Power Supply Cord Cable PS Wall Home Battery Charger Mains PSU.
BrandUPBRIGHT #ad
ManufacturerUpBright #ad
Part NumberRyobi HP44L Quick Turn 4V 5Wh Power
ModelRyobi HP44L Quick Turn 4V 5Wh Power

6. AlloverPower

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3V, 24V 1.5A 36W Adjustable DC Power Supply Adapter Speed Control Volt Display with Variable 8 Plugs and 1 Polarity Reverse Cable Cord

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AlloverPower #ad - Used for current lower than 1. 5a, 1. 2a, such as 300ma, 500ma, 800ma, 400mA, 1A, 1.5a, ect. Such as led strips, digital photo frame, tv box, wifi camera, dc motor, essential oil diffuser humidifier, under-cabinet light, wireless routers, smart speaks, USB fan, hard disk box, DC pump, USB Hub, DVR NVR surveillance system etc.

All-in-one adapter - fits 90% of ac/dc home appliances. Note:!!! won't work on computer !!! Adjustable and display multi voltage. 100v - 120v input; 3v - 24v output 1. 5amax; 36W Max. Special buit-in power off switch knot, more convenient and easy to control with this function. Come with 8 different plugs & 1 polarity reverse cable. Tips size: led terminal connector, 3. 0x1. 1mm, 3. 5x1. 35mm, 4. 0x1. 7mm, micro USB, 2.
BrandAlloverPower #ad
ManufacturerAllover Power Supply #ad
Part Number36W3-24

7. Usmile

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Adjustable AC/DC Switching Power Adapter Variable Voltage DC5525 Power Supply 4-24V 4V 9V 12v 14V 15V 18V 24V 2A 48W Speed Control Volt for Electric Fan Drill Motor Speed Controller Arduino

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Usmile #ad - Input voltage: 100-240v, suit for dc motor speed control, light dimmer. Arduino project, DC5525 output connector, etc. A must-have variable voltage dc power supply for all DIY enthusiast. Efficient power efficiency - Super low interference and stable voltage help achieve highly efficient power adaptation. 4-24v adjustable power supply make it suitable for different charging devices and different situations. Durable, a built-in led displays real-time voltage, Easy to operate, which helps you control real-time condition of charging.
BrandUsmile #ad
ManufacturerUsmile #ad
Part Numberfive-729

8. UPBRIGHT

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UpBright AC/DC Adapter Compatible with Ryobi HP41L HP41LK HP34L 4.0V 5Wh Lithium ion Screw Driver Li-Ion Cordless Screwdriver 4 Volt Battery Charger 720217003 720217005 4V, 6.5V Power Supply Cord

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UPBRIGHT #ad - Upbright 30 days money back guarantee. Scp: short Circuit output Protection. 1 full year service warranty. In great Working Condition. Compatible with: ryobi hp34l hp34 l hp 34 l 4.

0v 5wh 4v 5 wh 4-volt lithium cordless screwdriver one world techonlogies, inc. Charger 720217005 3W 6. 5v 200ma 6. 5vdc 02a - 1a dc6. 5v 5 v - 6. 5 v class 2 power Supply Battery Charger. Ovp, ocp, scp protection ovp: over voltage output protection. Upbright new global ac / dc adapter compatible with ryobi hp41l hp41lk lithium ion 4. 0v screw driver li-ion screwdriver 4 volt battery charger 720217003 4V - 5V Power Supply Cord Wall Home Battery Charger Mains PSU. Ocp: over Current output Protection. Tested Units. World wide input voltage 100-240vac 50/60hz.
BrandUPBRIGHT #ad
Manufacturerupbright #ad
Part NumberRyobi 720217003 HP41L HP41LK Charger
ModelRyobi 720217003 HP41L HP41LK Charger

9. JOVNO

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JOVNO Universal Power Supply 4V-12V 10A 120W Adjustable AC/DC Adapter 100~240V AC to DC 4V 5V 6V 8V 9V 12V with LED Display and 14 Plugs 1 Reverse Polarity Converter Cable for LED strips Motors Speaks

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JOVNO #ad - With 14 plugs & 1 reverse polarity converter cableequipped with 14 premium plugs: micro-usb, 6. 3x3. 0mm, 4. 0x1. 7mm, 5. 0x2. 5mm, dc terminal connector, 2. 5x07mm. Buying one adapter is equivalent to buying multiple adapters, which saves money and is environmentally friendly.

Certified by fcc, ccc, overcurrent protection, RoHS, overvoltage protection and overload protection, CE, short-circuit protection ensure the stability and smoothness. Widely usedfits for most ac/dc home appliances. High quality high temperature resistant material and ultrasonic welder make it very durable and reliable. User-friendly designbuilt-in protruding rotatable button for adjusting the voltage suitable for your device, The LED displays real-time voltage, which helps you control real-time condition of charging.

Gives a safe charging. Can be perfect for mid, lcd tvs, dc pump, massagers, dc motor, beauty instruments, led products, digital photo frame, cameras, routers, hard disk box, surveillance equipment, USB Hub, LCD monitors, game machines, switch, controllers and other household / portable devices. Adjustable voltageinput: ac 100-240v 50/60hz, output current max 10a, output voltage can be adjusted from 4v to 12v dc such as 4v 4. 5v 4. 8v 5v 5.
BrandJOVNO #ad
ManufacturerJOVNO #ad
Warranty1 year

10. UPBRIGHT

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UpBright 8.4V AC/DC Adapter Compatible with Fascial Gun GB-820 Massage Gun KH-320 6 Level Vibration BinNiao HULKBUZZ 7.4V Lithium Ion 7.4 Volt Battery Electric Massager DC8.4V 1A Power Supply Charger

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UPBRIGHT #ad - Ocp: over Current output Protection. Scp: short Circuit output Protection. World wide input voltage 100-240vac 50/60hz. In great Working Condition. Tested Units. Upbright 30 days money back guarantee.

Ovp, ocp, scp protection ovp: over voltage output protection. Compatible with: fascial gun kh-320 muscle massage gun massager fitness 6-level vibration BinNiao HULKBUZZ 7. 4v rechargeable lithium ion li-ion Battery Capacity: 2000mAh Electric Massager Gun DC8. 4v 1a power Supply. 1 full year service warranty. Upbright new global 8. 4v ac / dc adapter compatible with fascial gun gb-820 massage gun with 6 level vibration voltage: 7. 4v rechargeable lithium ion 7. 4 volt 7. 4vdc li-ion battery capacity: 2000 mAh Electric Massager Gun DC8. 4v 1a 8. 4vdc 1000ma 8. 4 v 1. 0a switching power supply cord Cable PS Wall Home Battery Charger Mains PSU.
BrandUPBRIGHT #ad
ManufacturerUpBright #ad
Part NumberD.C.12V SPORTrax 12 Volt Kids Power
ModelD.C.12V SPORTrax 12 Volt Kids Power