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SparkFun will be closed on Tuesday, December 24th, and Wednesday, December 25th, in observance of the Christmas holiday. Any orders qualifying for same day shipping placed after 2:00 p.m. (MST) on Monday, December 23rd, will be processed on Thursday, December 26th, when we return to regular business hours. Wishing you a safe and happy holiday from all of us at SparkFun!

Please note - we will not be available for Local Pick up orders from December 24th-December 27th. If you place an order for Local Pick-Up we will have those ready on Monday, December 30th.

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Power

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Battery Fuses Power Accessories Power Charger Power Supply Relay Solar Voltage Wall Adapter
IoT Power Relay

IoT Power Relay

COM-14236
$34.95
20
Favorited Favorite 76
Wish List
SparkFun Buck Regulator Breakout - 5V (AP63357)

SparkFun Buck Regulator Breakout - 5V (AP63357)

COM-21255
$5.95
Favorited Favorite 8
Wish List
Lithium Ion Battery - 1250mAh (IEC62133 Certified)

Lithium Ion Battery - 1250mAh (IEC62133 Certified)

PRT-18286
$10.95
2
Favorited Favorite 18
Wish List
Raspberry Pi 27W USB-C PD Power Supply - Black

Raspberry Pi 27W USB-C PD Power Supply - Black

TOL-23584
$12.00
2
Favorited Favorite 7
Wish List
SparkFun Buck-Boost Converter

SparkFun Buck-Boost Converter

COM-15208
$10.95
2
Favorited Favorite 34
Wish List
Lithium Ion Battery - 850mAh

Lithium Ion Battery - 850mAh

PRT-13854
$10.95
2
Favorited Favorite 23
Wish List
Buck/Boost DC/DC Converter - 8-36V to 12V/6A

Buck/Boost DC/DC Converter - 8-36V to 12V/6A

COM-18732
$14.95
Favorited Favorite 4
Wish List
Buck/Boost Converter - 8-40V to 12V/3A

Buck/Boost Converter - 8-40V to 12V/3A

COM-18376
$16.50
Favorited Favorite 6
Wish List
Lithium Ion Battery - 400mAh

Lithium Ion Battery - 400mAh

PRT-13851
$5.50
11
Favorited Favorite 49
Wish List
SparkFun BabyBuck Regulator Breakout - 5V (AP63357)

SparkFun BabyBuck Regulator Breakout - 5V (AP63357)

COM-21256
$4.95
2
Favorited Favorite 7
Wish List
SparkFun SOT23 to DIP Adapter

SparkFun SOT23 to DIP Adapter

BOB-00717
$1.05
7
Favorited Favorite 7
Wish List
SparkFun LiPo Charger/Booster - 5V/1A

SparkFun LiPo Charger/Booster - 5V/1A

PRT-14411
$17.50
3
Favorited Favorite 40
Wish List
Lithium Ion Battery - 18650 Cell (2600mAh)

Lithium Ion Battery - 18650 Cell (2600mAh)

PRT-12895
$6.50
2
Favorited Favorite 25
Wish List
SparkFun Qwiic Single Relay

SparkFun Qwiic Single Relay

COM-15093
$13.95
3
Favorited Favorite 38
Wish List
Raspberry Pi 27W USB-C PD Power Supply - White

Raspberry Pi 27W USB-C PD Power Supply - White

TOL-23583
$12.00
3
Favorited Favorite 7
Wish List
DC Barrel Jack Adapter - Male

DC Barrel Jack Adapter - Male

PRT-10287
$3.50
Favorited Favorite 19
Wish List
SparkFun Power Delivery Board - USB-C (Qwiic)

SparkFun Power Delivery Board - USB-C (Qwiic)

DEV-15801
$26.95
6
Favorited Favorite 48
Wish List
Digital LED Voltmeter

Digital LED Voltmeter

PRT-14313
$2.75
4
Favorited Favorite 26
Wish List
Lithium Ion Battery - 2Ah

Lithium Ion Battery - 2Ah

PRT-13855
$13.95
9
Favorited Favorite 60
Wish List
SparkFun Nano Power Timer - TPL5110

SparkFun Nano Power Timer - TPL5110

PRT-15353
$6.95
2
Favorited Favorite 28
Wish List
SparkFun LiPo Charger Plus

SparkFun LiPo Charger Plus

PRT-15217
$11.50
1
Favorited Favorite 43
Wish List
Lithium Ion Battery - 110mAh

Lithium Ion Battery - 110mAh

PRT-13853
$5.50
4
Favorited Favorite 23
Wish List
SparkFun Qwiic Quad Relay

SparkFun Qwiic Quad Relay

COM-16566
$32.50
6
Favorited Favorite 24
Wish List
SparkFun BabyBuck Regulator Breakout - 3.3V (AP63203)

SparkFun BabyBuck Regulator Breakout - 3.3V (AP63203)

COM-18357
$4.50
4
Favorited Favorite 11
Wish List
SparkFun Breadboard Power Supply Stick - 5V/3.3V

SparkFun Breadboard Power Supply Stick - 5V/3.3V

PRT-13032
$13.95
8
Favorited Favorite 83
Wish List
Solid State Relay - 40A (3-32V DC Input)

Solid State Relay - 40A (3-32V DC Input)

COM-13015
$10.95
43
Favorited Favorite 39
Wish List
SparkFun Qwiic Power Switch

SparkFun Qwiic Power Switch

PRT-26784
$6.95
Favorited Favorite 3
Wish List
Lithium Ion Battery - 6Ah

Lithium Ion Battery - 6Ah

PRT-13856
$32.50
7
Favorited Favorite 44
Wish List
Relay SPDT Sealed

Relay SPDT Sealed

COM-00100
$2.10
3
Favorited Favorite 35
Wish List
SparkFun Buck Regulator Breakout - 3.3V (AP63203)

SparkFun Buck Regulator Breakout - 3.3V (AP63203)

COM-18356
$5.50
Favorited Favorite 12
Wish List
SparkFun Energy Harvester Breakout - LTC3588

SparkFun Energy Harvester Breakout - LTC3588

BOB-09946
$32.50
1
Favorited Favorite 40
Wish List
SparkFun Battery Babysitter - LiPo Battery Manager

SparkFun Battery Babysitter - LiPo Battery Manager

PRT-13777
$21.50
11
Favorited Favorite 83
Wish List
DC Barrel Jack Adapter - Female

DC Barrel Jack Adapter - Female

PRT-10288
$3.50
1
Favorited Favorite 25
Wish List
SparkFun LiPo Charger Basic - Micro-B

SparkFun LiPo Charger Basic - Micro-B

PRT-10217
$9.95
27
Favorited Favorite 63
Wish List
Wall Adapter Power Supply - 5VDC, 2A (Barrel Jack)

Wall Adapter Power Supply - 5VDC, 2A (Barrel Jack)

TOL-15312
$6.50
2
Favorited Favorite 15
Wish List
LiPower - Boost Converter

LiPower - Boost Converter

PRT-10255
$17.50
5
Favorited Favorite 33
Wish List
Battery Holder - 4xAA to Barrel Jack Connector

Battery Holder - 4xAA to Barrel Jack Connector

PRT-09835
$2.75
Favorited Favorite 28
Wish List
Lithium Ion Battery - 1500mAh (IEC62133 Certified)

Lithium Ion Battery - 1500mAh (IEC62133 Certified)

PRT-26059
$12.95
Favorited Favorite 5
Wish List
SparkFun Soft Power Switch - JST 2mm

SparkFun Soft Power Switch - JST 2mm

PRT-26993
$5.95
Favorited Favorite 8
Wish List
SparkFun Breadboard Power Supply Stick - 5V/3.3V (with Headers)

SparkFun Breadboard Power Supply Stick - 5V/3.3V (with Headers)

PRT-21297
Favorited Favorite 4
Wish List
Constant Current Power Supply - 12.6V 10A

Constant Current Power Supply - 12.6V 10A

PRT-18722
$24.95
Favorited Favorite 2
Wish List
Buck Converter - 8-20V to 5V/3A

Buck Converter - 8-20V to 5V/3A

COM-18375
$10.95
2
Favorited Favorite 9
Wish List
SparkFun Sunny Buddy - MPPT Solar Charger

SparkFun Sunny Buddy - MPPT Solar Charger

PRT-12885
$28.95
10
Favorited Favorite 78
Wish List
Raspberry Pi Wall Adapter Power Supply - 5.1VDC, 3.0A, 15.3W (USB-C)

Raspberry Pi Wall Adapter Power Supply - 5.1VDC, 3.0A, 15.3W (USB-C)

TOL-15448
$8.00
7
Favorited Favorite 36
Wish List
USB A and C Power Delivery (PD) Wall Adapter - 65W

USB A and C Power Delivery (PD) Wall Adapter - 65W

TOL-24059
$19.95
Favorited Favorite 4
Wish List
SparkFun Soft Power Switch - USB-C

SparkFun Soft Power Switch - USB-C

PRT-27081
$5.95
Favorited Favorite 7
Wish List
Adjustable Voltage Wall Adapter Power Supply - 5V-15V

Adjustable Voltage Wall Adapter Power Supply - 5V-15V

TOL-19898
$14.95
Favorited Favorite 7
Wish List
Battery Holder 2xAA with Cover and Switch - JST Connector

Battery Holder 2xAA with Cover and Switch - JST Connector

PRT-09925
$1.60
2
Favorited Favorite 15
Wish List