Top 8 3V Power Supply – Science Kits & Toys

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1. Elenco

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Elenco AC/DC Triple Output Power Supply Kit

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Elenco #ad - Build an ac/dc triple output Power Supply, useful anywhere precise DC voltage is required. For 30 years elenco has been using their strong engineering and design skills to develop reliable, tools, affordable electronic test equipment, and educational kits. Features three fully regulated solid-state power supplies. Ideal for use in school labs. Made in the United States.
BrandElenco #ad
ManufacturerElenco Electronics Inc #ad
Height3.5 Inches
Length6 Inches
Weight7.5 Pounds
Width8 Inches
Part NumberXP-720K
ModelXP-720K
WarrantyGuaranteed against manufacturer defects

2. Traxxas

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Traxxas 8028 LED Light Regulated Power Supply

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Traxxas #ad - Waterproof for all weather fun. Includes screws and wiring harness. Designed for trX-4 LED light kits. Power supply provides steady 3V. 5 amp current.
BrandTraxxas #ad
ManufacturerTraxxas #ad
Height0.75 Inches
Length8.5 Inches
Weight0.07 Pounds
Width4.75 Inches
Part Number8028
Model8028
Warranty30 Day Warranty Against Manufacturer Defects

3. Electronix Express

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Electronix Express DIY Dual Rail Variable DC Power Supply Soldering Kit Intermediate Level Single Range: 3V to 32V, Dual Range: +/- 1.5V to +/- 16V

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Electronix Express #ad - Intermediate level soldering kit can be useful as a power source for many electronic circuits. A step-by-step illustrated assembly manual is included. Positive and negative variable dc power supply, Two adjustable potentiometers. Wide power supply range - single supply: 3V to 32V, Dual supplies: +/- 1. 5v to +/- 16V. Two independent, high gain internally frequency op amps. Input and output terminal blocks, On / off switch.
BrandElectronix Express #ad
ManufacturerElectronix Express #ad
Part Number32PMW270037

4. Traxxas

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Traxxas 6795 LED Light Set, 3-Volt Accessory Power Supply, roof Skid Plate with LED Lights, and Power tap Connector with Cable fits #6717 Body, Complete Includes Bumper with LED Lights

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Traxxas #ad - Specs:. Includes: 1 led lights/light harness 4 clear, 4 red 1 Front Bumper 1 Rear Bumper. Features: efficient, high-intensity led lighting front bumper with integrated LED lights Roof skid with integrated front white and rear red light bars Regulated power supply for stable lighting performance Easy installation with included power tap connector Mounting hardware. Part numbers included in factory packaging: 6795. Traxxas 6795 - led light Kit, Rustler 4x4.
BrandTraxxas #ad
ManufacturerTraxxas #ad
Height1.6 Inches
Length6 Inches
Weight0.41 Pounds
Width10 Inches
Part NumberTRA6795

5. HONG YI-HAT

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HONG YI-HAT 1pcs 3.3V-25V DC-DC LC Filter Power Supply Filter for 5.8G FPV Transmitter Multicopter RC Quadcopter Drone Spare Parts

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HONG YI-HAT #ad - Compact, lightweight power supply filter with switch, helps clean up dirty DC output jitter that often causes lines in wireless video images. Very low voltage drop. 100% brand new and high quality. The filter is an LC type that uses large value inductor and capacitor components.
BrandHONG YI-HAT #ad
ManufacturerHONG YI-US #ad
Weight0 Pounds
Part NumberHONG YI-US

6. DDGD

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DDGD Controller Switch Scooter Match 2PCS Scooter Accessory Match Coding Controller Reset Switch Power Supply with Light 3‑6V

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DDGD #ad - Scooter accessory controller switch power supply self‑reset switch with light 3‑6V. Simple designed, easy to install, but requires professional skill. Slide controller made of high quality PVC, designed to provide excellent and stable performance. Professional manufacturing, stable characteristics and high reliability. Sturdy structure, durable and can greatly prolong service life.
BrandDDGD #ad
ManufacturerDDGD #ad
Height0 Inches
Length0 Inches
Weight0.04 Pounds
Width0 Inches
Part NumberDDGDtf6h39vyo1

7. QYSZYG

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QYSZYG Controller Switch Scooter Match 2PCS Scooter Accessory Match Coding Controller Reset Switch Power Supply with Light 3‑6V

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QYSZYG #ad - Sturdy structure, durable and can greatly prolong service life. Professional manufacturing, stable characteristics and high reliability. Slide controller made of high quality PVC, designed to provide excellent and stable performance. Simple designed, easy to install, but requires professional skill. Scooter accessory controller switch power supply self‑reset switch with light 3‑6V.
BrandQYSZYG #ad
ManufacturerQYSZYG #ad
Height0 Inches
Length0 Inches
Weight0.04 Pounds
Width0 Inches
Part NumberQYSZYGevdqp9b7fm

8. Elenco

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Elenco Deluxe Battery Eliminator, Model XP-100, Solid State DC Power Supply

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Elenco #ad - Single output supplies a fixed voltage of 1. 5v, 2. 2v, 7. 2v, 4. 5v, 12v, 3v, 5v, 13.8v, 9v, 10v, 6v, or 15vdc and current up to 1 amp. Output voltage will not increase while the output voltage settings are being adjusted.

Maintains output voltage within 02v when going from no load to a 1-amp load. Output is fully protected from short circuits and overloads. Voltages are conveniently selected by a rotary switch, precisely set by using 1% resistors. Accepts input voltage of 120VAC at 60 Hz. Solid state dc power supply - an ideal bench top battery eliminator.

For 30 years elenco has been using their strong engineering and design skills to develop reliable, tools, affordable electronic test equipment, and educational kits. Provides both line and load regulation of the output voltage. Provides a constant source of DC voltage and current powering and testing electronic devices in place of a battery.
BrandElenco #ad
ManufacturerElenco Electronics #ad
Height3.75 Inches
Length7 Inches
Weight5 Pounds
Width8.25 Inches
Part Number23124
ModelXP-100
WarrantyGuaranteed against manufacturer defects