Power Supplies


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80 Products Found


40420

MicroUSB 1A LiPoly Charging Module

Excellent for building a portable project with a single LiPoly, and recharge it from microUSB!

$2.25 USD

34050

Adapter, 9VDC @ 1A

This Adapter, 9V @ 1A is a economical power transformer.

$5.45 USD

34140

Adapter, 12VDC @ 2.0A - US

12VDC, 2 Amp, power supply with center positive polarity for general project use.

$10.00 USD

19210

5V Boost Regulator

The Pololu 5V Boost Regulator NCP1402 is a very tiny source of 5V from supply voltages as low as 0.8V.

$5.75 USD

18938

PowerBoost 500 Shield

The Adafruit PowerBoost 500 Shield is a clever add-on for your MOBILE Arduino project. It's a power supply, charger, and battery pack all-in-one.

$19.95 USD

34161

Switching Power Adapter Brick 5VDC, 5A

Sometimes 5VDC is good. Sometimes backing it up with 5A is better! This brick power supply is ideal for powering addressable strip LEDs.

$16.95 USD

50227

AnyVolt 3 Universal DC-DC Converter

The Dimension Engineering AnyVolt 3 Universal DC-DC Converter is an adjustable step up/step down 3A switching regulator.

$54.99 USD

52229

9V Battery Holder w/ Switch & 2.1mm Plug

This is a 9V battery pack with on/off switch and a 2.1mm barrel plug, you get both parts and will have to solder them together. Use this to battery-power your Arduino (or other electronic projects).

$4.00 USD

52233

Adapter, 9VDC @ 1.0A

This is a really nice power supply. It's a switching DC supply so its small and light and efficient. It is thin so it fits in power strips without blocking other outlets.

$7.00 USD

BholdAA4-2x2

4xAA Battery holder (wire leads)

It's a nice quad-AA battery holder, with 6" leads.

$1.95 USD

BHoldAA-6cell

6AA Battery holder (wire leads)

A nice 6AA Battery holder in black plastic with wire leads.

$1.64 USD

50840

Li-Ion/Polymer Battery Charger/Balancer - 50W, 5A

The iMax B6 Balance Charger accurately balances and charges Lithium Polymer, LiFe (A123), NiCd and NiMH batteries. The B6 will balance charge LiPo/LiFe up to 6S and NiMH/NiCd up to 15S and shows individual cell voltage during charge with realtime updates throughout the charge cycle.

$32.95 USD

BattC2032

CR2032 3V Lithium Coincell Battery

Here's a common light weight 2032 coincell battery. Great for powering tiny robots, real time clocks and LED throwies!

$0.75 USD

BHold2032

CR2025/CR2032 Coincell Battery Holder

Here's a coin cell holder for mounting the most common types of coin cell batteries: CR2032 and CR2025. You could try other batteries but we're guessing you won't have much luck with 'AA's.

$0.49 USD

L7805CV

5V Positive Voltage Regulator

The ST Micro L7805CV is a 1.5A, 5V positive linear regulator. It is the stronger older brother of the 78M05 but ironically it is the same size and shape, go figure. It may look like your everyday 7805 but looks can be deceiving!

$0.40 USD

50870

PCA9306 Level Translator Breakout

Sometimes, voltages collide. When you have parts that expect/speak at different voltage levels, you have to build a mediator to smooth things out. This SparkFun BOB-10403 uses PCA9306 two-channel bidirectional voltage-level translator on a nice, small breakout board.

$6.95 USD

50880

Polymer Lithium Ion Battery - 2200mAh 7.4v

This high discharge LiPo is a great way to power any R/C, robotic, or portable project. This is an excellent choice for anything that requires a small battery with a lot of punch.

$15.95 USD

52242

2.1mm Socket/Jack Power Adapter set

It's a pain to solder up barrel jacks and plugs, so these screw-terminal based versions are very popular for repurposing DC power supplies to other applications!

$3.50 USD

52244

2.5mm Plug/Jack Power Adapter set

It's a pain to solder up barrel jacks and sockets, so these screw-terminal based versions are very popular for repurposing DC power supplies to other applications!

$3.50 USD

19030

Compact Selectable Switching Power Supply 3-12VDC

What a handy power adapter - 100~240VAC input, and it outputs up to 10 watts, with a selectable voltage from 3 to 12VDC. Complete with a variety of interface plugs!

$14.95 USD

34017

5V 10A Switching Power Supply

5V is a common voltage but there isn't much out there in terms of a high current 5V source. When you are in need of a 5V supply with immense strength; we strongly ask you to consider this unit.

$28.75 USD

17008

2 x CR2032 - Coin Cell Battery Holder

2x CR2032 battery holder with 12" of wire.

$1.95 USD

17012

3 x AAA Battery Holder with Cover and Switch

Give your project a sleek look with this 3 x AAA battery pack with a built in on-off switch and stylish lid.

$1.95 USD

52252

DC Jack Socket Panel-Mount Connector 5.5x 2.1mm - 3 pin

Use this panel mount DC jack to add a little polish to your next project.

$2.95 USD

52254

DC Jack Socket Panel-Mount Connector 5.5x 2.5mm - 2 pin

Use this 2 pin panel mount DC jack to add a little polish to your next project.

$2.55 USD

52248

2.1mm Jack Power Adapter

It's a pain to solder up barrel jacks, so these screw-terminal based versions are very popular for repurposing DC power supplies to other applications!

$2.95 USD

52250

5.5-2.1mm DC Power Jack - Female

A 2.1mm Female barrel jack with 10" of red and black insulated wire attached.

$2.00 USD

50889

Lithium Polymer (LiPo) Battery - 110mAh 3.7V

Lithium polymer battery, but darn small!

$4.95 USD

50891

3.7V 110mAh LiPoly battery for E-Textiles

What makes this battery special for E-textiles? Built-in current limiting for safety.

$6.95 USD

34047

5.2V 2.1A microUSB power supply with 2M cable

With a 2 meter (6.6') micro-USB connector, this power supply is ideal for powering single-board computers like the Raspberry Pi.

$5.95 USD

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