Top 10 Variable Power Supply – Science Kits & Toys

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1. Elenco


Regulated Variable Power Supply, 0-15 Volts Assembly Required, Elenco

Elenco #ad - Learn by doing - Build a regulated variable power supply. Made in the United States. Detailed easy to understand instructions. Complete this kit and you will have a handy portable variable output power supply. Add this kit to your STEM curriculum or work bench.
BrandElenco #ad
ManufacturerElenco Electronics Inc #ad
Height4 Inches
Length11 Inches
Weight1 Pounds
Width5 Inches
Part NumberCM1555
WarrantyGuaranteed against manufacturer defects

2. DZS Elec


DZS Elec 10PCS LM2596 DC-DC Step Down Variable Voltage Regulator Input 3.2V-40V Output 1.25V-35V Adjustable Buck Converter Electronic Voltage Stabilizer Power Supply Module

DZS Elec #ad - Input voltage: 3. 2v-43v. The output current: rated current 2A, Maximum 3A Additional Heat Sink Is Required. The output voltage: 1. 25v-35v. The module properties: Non-isolated Constant Current and Voltage Of The Module. Rectification:Non-Synchronous Rectification.
BrandDZS Elec #ad
ManufacturerDZS Elec #ad
Part NumberLM2596-10P

3. Belker


Belker 12W Universal 3V 4.5V 5V 6V 7.5V 9V 12V AC DC Adapter Power Supply for Household Electronics Router Speaker Smart Phone Tablet CCTV IP Camera, 1A 1000mA Amp Max.

Belker #ad - This universal ac adapter can apply to most appliances which the rating input voltage is from 3V to 12V and rating power is equal to or less than 12W. Please ensure it is same with your devices before buying.

Higher energy efficiency, friendly to the earth. It is easy to set the voltage to fit for different device by a little key. It is with multi safety protection and secure to use. Search "b08k2s1d11" to find the cable on Amazon. 12w. This ac/dc adapter output is 3v 4. 5v 5v 6v 7. 5v 9v 12v 1000ma 1a max. Equipped with 8 premium adapter plugsincluding a micro-USB plug, these different plugs are fit for many different small household electronics.

The power adapter is very durable and easy to operate. Important note: the adapter dc plug polarity is center positive "+". If your device is with centre negative polarity "-", please use it with Belker polarity reversed cable together. It is an useful spare part for your various devices.
BrandBelker #ad
ManufacturerBelker #ad
Height0.79 Inches
Length1.18 Inches
Weight0.11 Pounds
Width0.79 Inches
Part NumberPA-30150W-ZMX

4. SoulBay


2000mA Max, Upgraded Version SoulBay 30W Universal AC/DC Adapter Switching Power Supply with 8 Selectable Adapter Tips, Including Micro USB Plug, for 3V to 12V Household Electronics and LED Strip

SoulBay #ad - Supporting dc 12v-2A or 12V-1. 5a appliances. Note: dc plug polarity: inner Positive+, you can converts to different voltage with ease using the provided key. Safe to operate, versatile adjustable charger, please keep free to Contact us before returning.

We always stand behind and offer fantastic after-sale support! . 5. 5mm*2. 1mm dc power cable connector Plug, outer Negative-, Polarity is Not reversible. Any issue for the product, different sizes of output and different levels of voltage. Universal ac/dc adapter - ac input:100-240v 025a 50/60hz, dc output:3v/4. 5v/5v/6v/7. 5v/9v/12v. There is also a micro usb plug so this item can also function as an adaptor to turn any USB cable into a charger, such as usb charging camera.

Advanced secure technique, with full PROTECTION of over Voltages/ over Current/ short Circuits/ over Temperature. Multifunctional 30w adapter - variable voltage is easy to select, easy to connect and practical to use. Exactly what you are looking for - reasonably priced, handy to set up at the correct voltage and easy to attach the adapter plugs. Newly designed adapter plugs to make this adapter Plugged in More Easily, new 57.
BrandSoulBay #ad
ManufacturerSoulBay #ad
Height0.39 Inches
Length6.26 Inches
Weight0.31 Pounds
Width3.11 Inches
Part NumberUC05U

5. SoulBay


SoulBay 12W Universal Multi Voltage AC/DC Adapter Switching Power Supply with 8 Selectable Adapter Plugs, Suitable for 3 V to 12 V Device

SoulBay #ad - With safe and multiple function, and the adapter is very durable, it's easy to operate, it's secure to use. This adapter output is 3v/4.

5v/5v/6v/7. 5v/9v/12v. You can easily set the voltage by a little key, which included with the adapter. Equipped with 8 adapter plugs, the different size will fit for your appliances well, and solve your various problems. The 8 adapters in1, outer negative-, which can largely save your space and the one can replace a lot adapters. This ac/dc adapter can apply to most appliances, which the efficient voltage is from 3V to 12V. Attention: dc plug Polarity: inner Positive+, Polarity is irreversible.
BrandSoulBay #ad
ManufacturerSoulBay #ad
Weight0.19 Pounds
Part NumberUC02U

6. SoulBay


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

SoulBay #ad - 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, new 1.

5 meter cable in length, made of compact material and add a magnet ring. All-in-one adapter - this 8 adapters in1, which can largely save your space and this one can replace a Lot Chargers. This power supply adapter has 8 selectable adapter tips, which can be useful for various appliances. Multivoltage & multitips - variable voltage is easy to select, you can converts to different voltage with ease using the provided key. Supporting 12V 1A 1. 5a 2a devices.

Attention: dc plug polarity: inner Positive+, outer Negative-, Polarity is Not reversible. Attention: if you are looking for an Opposite Polarity Charger, Please Search https://www. Amazon. Com/dp/b07gvfKKPR. Safe to operate, versatile adjustable charger, Handy to set up at the correct voltage and Easy to attach the adapter plugs. Adapter input: ac 100v~240v 50/60hz 1000ma, interchangeable tips, adapter output: 3v/4. 5v/5v/6v/7.
BrandSoulBay #ad
ManufacturerSoulBay #ad
Part NumberUC03U

7. Powseed


POWSEED 36W Universal AC Adapter 3V 4.5V 5V 6V 7.5V 9V 12V Power Supply for Household Electronics LED Strips Router HUB HDMI Switcher Speaker Tablets Switching Tips Multi Voltage Cord 2000ma W/USB

Powseed #ad - Polarity could not be reversed. Plug dimension: 5. 5x2. 5mm, 3. 0*1. 0mm, 7. 5v, 5. 5x2. 1mm, micro usb. Choose correct voltage before powering small household appliances usually don't have circuit protection, if with the wrong voltage, may damage your device.

The choosing plugs are very commonly used in daily life, meet your power needs for lots of small digital devices at home. Some musical device requires inner Negative and outer positive absolutely opposite, please check carefully before buying. With these plugs and multiple voltage, 6V, 2. 5x075mm, 4. 5v, 4. 0x1. 7mm, 5v, you can save a lot instead of buying different ac adapters. Usb 5v 2. 4a. Dc polarity: central positive+, outer negative-. Compatible 36w 34w 30w 24w 12w 1a 1000mA 2A 2000mA. It is important to choose the right voltage before powering your device. Input: ac 110-240v; output: dc 3v, 12v.
BrandPowseed #ad
ManufacturerZOZOPlus #ad
Part Number4330187221



T POWER Ac Dc Adapter Charger Compatible with for 7.5V Summer Infant 28450 28580 28590 28520 28560 28570 28530 28460 28510 28040 02230 28600 Travel Power Pack Handheld Baby Video Monitor Power Supply

T POWER #ad - Note!! this item willnot fit: summer infant slim & secure baby monitor 2800, 02805 p, 02800, 02804, n: ad150600550, 02000z 02000 monitor ad050600550 ad05060055 & pn: ad050600550 & 28520 02000 02000z & 28520 CHARGER BASE STATION !! .

T-power - manufactured with brand-new input Voltage Range: AC 100V - 240V 7. 5v. Summer infant 29040 29260 clear sight duo video baby monitor, 3927003h12, summer infant 2845013, babytouch camera pn: ad0507050500 EXVISION INDUSTRIES AD-050750500 ADN050750500. Pn: model: adn050750500 summer infant 28630 28630a fit dual view extra camera, summer Infant 29240, 29310 Touchscreen Digital Color Video Baby Monitor. Compatible only with : summer infant 29190a 29000 29000a 28650a 28630 28450, 28520, 28630 28630a f29240 29310 slim & secure plus, 28530 29040 29260 safe sight, 28510, 28040 complete coverage, 28570, 28600, 02230, 28530 28460, 02230 peek plus, 28580, 28680z, 28510 complete coverage plus, 28560 baby touch plus, 28570, 28590, 28520 Baby Touch Plus, 28040, 02230, 28680, 28460 best view, 28560, 28600 Travel Power Pack Handheld Baby Video Monitor.

BrandT POWER #ad
ManufacturerT POWER #ad
Weight0.25 Pounds
Part NumberT-FX-75-KXL

9. Anker


IPad Pro/Air 2/Mini 3/Mini 4, Samsung S4/S5, and More, for iPhone 11/Xs/XS Max/XR/X/8/7/6/Plus, USB Charger, PowerPort 2 with PowerIQ and Foldable Plug, Anker Elite Dual Port 24W Wall Charger

Anker #ad - Less time charging: patented poweriq and voltageBoost technologies charge any device at its fastest possible speed, up to 2.

4a. The anker advantage: Join the 50 million+ powered by our leading technology. Travel ready: compact design, foldable plug, and 100-240 volt input are ideal for worldwide travel. What you get: anker powerport 2 Elite, welcome guide, our worry-free 18-month warranty and friendly customer service. Does not support Qualcomm Quick Charge. Durable design: robust textured casing and premium internal components ensure perfect performance regardless of scrapes, bumps, or drops.
BrandAnker #ad
ManufacturerAnker #ad
Height1.14 Inches
Length2.4 Inches
Weight0.21 Pounds
Width2.32 Inches
Part NumberA2023

10. Coolmax


Coolmax 240-Pin 400 Power Supply with 1x80 mm Low Noise Cooling Fan I-400

Coolmax #ad - Cooling system: 1x 80mm Low Noise Cooling Fan. Connector: 1x 20+4-pin main connector; 1x?p4 mainboard power Connector; 2x 15-pin SATA Connectors; 3x Peripheral Connectors; 1x 4-pin Floppy Connector. Serial ata 150 ready. Atx12v version 2. 0 Single +12V output design. Total power: 400 w. Input- 100 ~ 132v ac / 200 ~ 264V AC.
BrandCoolmax #ad
ManufacturerCoolmax #ad
Height5.6 Inches
Length5.9 Inches
Weight2 Pounds
Width3.3 Inches
Part NumberI-400