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SparkFun will be closed on Monday, May 30th, for Memorial Day. We will resume normal business hours at 9am (MT) on Tuesday, May 31st. Orders placed after 2pm (MT) on Friday May 27th will process and ship out on Tuesday, May 31st. From all of us at SparkFun, we wish you a safe and happy Memorial Day weekend!

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Power

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Battery Fuses Power Accessories Power Charger Power Supply Relay Solar Voltage Wall Adapter
Battery Holder - 2xAA (JST-PH)

Battery Holder - 2xAA (JST-PH)

PRT-14299
$1.60
Favorited Favorite 21
Wish List
SparkFun Buck Regulator Breakout - 3.3V (AP63203)

SparkFun Buck Regulator Breakout - 3.3V (AP63203)

COM-18356
$5.50
Favorited Favorite 5
Wish List
Polymer Lithium Ion Battery - 40mAh

Polymer Lithium Ion Battery - 40mAh

PRT-13852
$4.95
Favorited Favorite 11
Wish List
Wall Adapter Power Supply - 9VDC, 650mA (Barrel Jack)

Wall Adapter Power Supply - 9VDC, 650mA (Barrel Jack)

TOL-15314
$6.50
1
Favorited Favorite 12
Wish List
SparkFun SOT23 to DIP Adapter

SparkFun SOT23 to DIP Adapter

BOB-00717
$1.05
7
Favorited Favorite 6
Wish List
9V Battery Holder

9V Battery Holder

PRT-10512
$3.50
3
Favorited Favorite 21
Wish List
PoE to USB Power Supply

PoE to USB Power Supply

SPX-18709
$17.95
Favorited Favorite 2
Wish List
SparkFun Jetson Nano Basic Kit with Battery Pack

SparkFun Jetson Nano Basic Kit with Battery Pack

KIT-18296
$64.95
Favorited Favorite 0
Wish List
Wall Adapter Power Supply - 12VDC, 600mA (Barrel Jack)

Wall Adapter Power Supply - 12VDC, 600mA (Barrel Jack)

TOL-15313
$6.50
Favorited Favorite 7
Wish List
Lithium Ion Battery - 110mAh

Lithium Ion Battery - 110mAh

PRT-13853
$5.50
2
Favorited Favorite 19
Wish List
Relay SPDT Sealed

Relay SPDT Sealed

COM-00100
$2.10
3
Favorited Favorite 31
Wish List
Barrel Jack Adapter - USB to 5.5mm

Barrel Jack Adapter - USB to 5.5mm

TOL-08639
$3.50
Favorited Favorite 17
Wish List
Low Current Lithium Ion Battery Pack - 2.5Ah (USB)

Low Current Lithium Ion Battery Pack - 2.5Ah (USB)

TOL-15204
$9.95
3
Favorited Favorite 12
Wish List
Lithium Ion Battery Pack - 10Ah (3A/1A USB Ports)

Lithium Ion Battery Pack - 10Ah (3A/1A USB Ports)

PRT-15593
$21.50
Favorited Favorite 6
Wish List
DC Barrel Jack Adapter - Male

DC Barrel Jack Adapter - Male

PRT-10287
$3.50
Favorited Favorite 14
Wish List
RELAYplate

RELAYplate

DEV-14150
$44.95
3
Favorited Favorite 16
Wish List
SparkFun Jetson Nano Basic Kit with Power Supply

SparkFun Jetson Nano Basic Kit with Power Supply

KIT-18297
$54.95
Favorited Favorite 1
Wish List
SparkFun MOSFET Power Controller

SparkFun MOSFET Power Controller

PRT-11214
$10.50
Favorited Favorite 23
Wish List
SparkFun Power Supply Sample Kit

SparkFun Power Supply Sample Kit

KIT-19194
$19.95
Favorited Favorite 0
Wish List
KTA-223 USB/RS485 Relay IO Board

KTA-223 USB/RS485 Relay IO Board

DEV-09526
$144.95
1
Favorited Favorite 6
Wish List
Mini Solar Panel - 0.3 Watt, 6 Volt (ETFE)

Mini Solar Panel - 0.3 Watt, 6 Volt (ETFE)

PRT-18724
$5.95
Favorited Favorite 2
Wish List
Solar Panel - 2W

Solar Panel - 2W

PRT-13781
$31.50
1
Favorited Favorite 11
Wish List
SparkFun DC/DC Converter Breakout

SparkFun DC/DC Converter Breakout

BOB-09370
$33.95
4
Favorited Favorite 12
Wish List
Power Supply - 12V/5V (2A)

Power Supply - 12V/5V (2A)

TOL-15664
$11.95
3
Favorited Favorite 5
Wish List
Small Solar Panel - 1.2 Watt, 6 Volt (ETFE)

Small Solar Panel - 1.2 Watt, 6 Volt (ETFE)

PRT-18726
$13.95
Favorited Favorite 2
Wish List
SkyRC IMAX B6 V2 Professional Balance Charger / Discharger

SkyRC IMAX B6 V2 Professional Balance Charger / Discharger

PRT-16793
$37.50
1
Favorited Favorite 3
Wish List
SparkFun Benchtop Power Board Kit

SparkFun Benchtop Power Board Kit

KIT-12867
$26.95
20
Favorited Favorite 65
Wish List
Soft Power Switch

Soft Power Switch

SPX-17870
$3.95
Favorited Favorite 10
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 14
Wish List
9V to Barrel Jack Adapter

9V to Barrel Jack Adapter

PRT-09518
$3.50
1
Favorited Favorite 36
Wish List
Barrel Jack Power Switch - M-F (3")

Barrel Jack Power Switch - M-F (3")

COM-11705
$2.75
Favorited Favorite 26
Wish List
Raspberry Pi 12.5W Micro-USB Power Adapter (US)

Raspberry Pi 12.5W Micro-USB Power Adapter (US)

TOL-18716
$8.00
Favorited Favorite 3
Wish List
DC Barrel Jack Plug - Male

DC Barrel Jack Plug - Male

PRT-11476
$1.05
3
Favorited Favorite 14
Wish List
SparkFun Breadboard Power Supply Stick - 3.3V/1.8V

SparkFun Breadboard Power Supply Stick - 3.3V/1.8V

PRT-13157
$19.50
Favorited Favorite 13
Wish List
Battery Holder 3xAA with Cover and Switch - JST Connector

Battery Holder 3xAA with Cover and Switch - JST Connector

PRT-18769
$1.95
Favorited Favorite 0
Wish List
SparkFun Qwiic Dual Solid State Relay

SparkFun Qwiic Dual Solid State Relay

COM-16810
$149.95
1
Favorited Favorite 9
Wish List
Coin Cell Battery - 12mm (CR1225)

Coin Cell Battery - 12mm (CR1225)

PRT-00337
$2.10
2
Favorited Favorite 14
Wish List
Battery Holder - 4xAA Square

Battery Holder - 4xAA Square

PRT-00552
$2.10
1
Favorited Favorite 13
Wish List
Voltage Regulator - 5V

Voltage Regulator - 5V

COM-00107
$1.05
3
Favorited Favorite 48
Wish List
smôl Power Board LiPo

smôl Power Board LiPo

SPX-18622
$17.95
Favorited Favorite 1
Wish List
SparkFun Variable Load Kit

SparkFun Variable Load Kit

KIT-14449
$48.50
1
Favorited Favorite 19
Wish List
Coin Cell Battery Holder - 2xCR2032 (Enclosed)

Coin Cell Battery Holder - 2xCR2032 (Enclosed)

PRT-12618
$2.10
1
Favorited Favorite 22
Wish List
Wall Adapter Power Supply - 5VDC, 2A (USB Micro-B)

Wall Adapter Power Supply - 5VDC, 2A (USB Micro-B)

TOL-15311
$6.50
Favorited Favorite 2
Wish List
Small Solar Panel - 0.6 Watt, 6 Volt (ETFE)

Small Solar Panel - 0.6 Watt, 6 Volt (ETFE)

PRT-18725
$8.95
Favorited Favorite 1
Wish List
Voltage Regulator - 3.3V

Voltage Regulator - 3.3V

COM-00526
$2.10
3
Favorited Favorite 38
Wish List
SparkFun ATX Power Connector Breakout Kit - 12V/5V (4-pin)

SparkFun ATX Power Connector Breakout Kit - 12V/5V (4-pin)

KIT-15701
$19.50
4
Favorited Favorite 15
Wish List
9V Snap Connector

9V Snap Connector

PRT-00091
$1.60
1
Favorited Favorite 18
Wish List
Battery Holder - 2x18650 (wire leads)

Battery Holder - 2x18650 (wire leads)

PRT-12900
$1.60
4
Favorited Favorite 16
Wish List