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We will be closed on November 25, 2021 and November 26, 2021 in observance of the Thanksgiving holiday. We will resume normal operations on November 29, 2021. Wishing you a safe and happy holiday from all your friends at SparkFun!

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Receive a free SparkFun USB Thumb Drive with every order this weekend. Details.

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Power

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Lithium Ion Battery - 1Ah

PRT-13813
7
Lithium Ion Battery - 18650 Cell (2600mAh, Solder Tab)

Lithium Ion Battery - 18650 Cell (2600mAh, Solder Tab)

PRT-13189
$6.50
8

IoT Power Relay

COM-14236
18
PiJuice HAT - Raspberry Pi Portable Power Platform

PiJuice HAT - Raspberry Pi Portable Power Platform

PRT-14803
$68.95
4
SparkFun Qwiic Single Relay

SparkFun Qwiic Single Relay

COM-15093
$12.95
2
Lithium Ion Battery - 2Ah

Lithium Ion Battery - 2Ah

PRT-13855
$12.95
7
Lithium Ion Battery - 1250mAh (IEC62133 Certified)

Lithium Ion Battery - 1250mAh (IEC62133 Certified)

PRT-18286
$9.95
1
Lithium Ion Battery - 400mAh

Lithium Ion Battery - 400mAh

PRT-13851
$4.95
9
SparkFun Nano Power Timer - TPL5110

SparkFun Nano Power Timer - TPL5110

PRT-15353
$6.50
1
SparkFun Battery Babysitter - LiPo Battery Manager

SparkFun Battery Babysitter - LiPo Battery Manager

PRT-13777
$19.95
9
SparkFun Qwiic Quad Relay

SparkFun Qwiic Quad Relay

COM-16566
$29.95
4
DC Barrel Jack Adapter - Female

DC Barrel Jack Adapter - Female

PRT-10288
$2.95
1
Coin Cell Battery - 20mm (CR2032)

Coin Cell Battery - 20mm (CR2032)

PRT-00338
$1.95
Buck/Boost Converter - 8-40V to 12V/3A

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

COM-18376
$14.95
Lithium Ion Battery - 110mAh

Lithium Ion Battery - 110mAh

PRT-13853
$4.95
2
SparkFun LiPo Charger Basic - Micro-USB

SparkFun LiPo Charger Basic - Micro-USB

PRT-10217
$8.95
26
Small Solar Panel - 1.2 Watt, 6 Volt (ETFE)

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

PRT-18726
$13.95
RELAYplate

RELAYplate

DEV-14150
$41.95
3
SparkFun Sunny Buddy - MPPT Solar Charger

SparkFun Sunny Buddy - MPPT Solar Charger

PRT-12885
$26.95
10
SparkFun LiPo Charger/Booster - 5V/1A

SparkFun LiPo Charger/Booster - 5V/1A

PRT-14411
$15.95
1
SparkFun LiPo Charger Plus

SparkFun LiPo Charger Plus

PRT-15217
$10.50
SparkFun Buck-Boost Converter

SparkFun Buck-Boost Converter

COM-15208
$9.95
2
Lithium Ion Battery - 850mAh

Lithium Ion Battery - 850mAh

PRT-13854
$9.95
2
Polymer Lithium Ion Battery - 40mAh

Polymer Lithium Ion Battery - 40mAh

PRT-13852
$4.50
Lithium Ion Battery - 18650 Cell (2600mAh)

Lithium Ion Battery - 18650 Cell (2600mAh)

PRT-12895
$5.95
SparkFun LiPo Fuel Gauge

SparkFun LiPo Fuel Gauge

TOL-10617
$11.50
8
High Bonding Gasket for 1.2 Watt Solar Panels

High Bonding Gasket for 1.2 Watt Solar Panels

PRT-18727
$2.50

E-Textiles Battery - 110mAh (2C Discharge)

PRT-13112
6
Buck Converter - 8-20V to 5V/3A

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

COM-18375
$9.95
Solid State Relay - 40A (3-32V DC Input)

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

COM-13015
$9.95
39
SparkFun DC/DC Converter Breakout

SparkFun DC/DC Converter Breakout

BOB-09370
$31.50
4
Wall Adapter Power Supply - 5VDC, 2A (Barrel Jack)

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

TOL-15312
$5.95
2
Lithium Ion Battery - 6Ah

Lithium Ion Battery - 6Ah

PRT-13856
$29.95
7
SparkFun BabyBuck Regulator Breakout - 3.3V (AP63203)

SparkFun BabyBuck Regulator Breakout - 3.3V (AP63203)

COM-18357
$3.95
1
LiPower - Boost Converter

LiPower - Boost Converter

PRT-10255
$15.95
5
Battery Holder 2xAA with Cover and Switch

Battery Holder 2xAA with Cover and Switch

PRT-09547
$1.50
micro:bit Battery Holder - 2xAAA (JST-PH)

micro:bit Battery Holder - 2xAAA (JST-PH)

PRT-15101
$1.95
SparkFun Energy Harvester Breakout - LTC3588

SparkFun Energy Harvester Breakout - LTC3588

BOB-09946
$29.95
1
SparkFun Buck Regulator Breakout - 3.3V (AP63203)

SparkFun Buck Regulator Breakout - 3.3V (AP63203)

COM-18356
$4.95
SparkFun USB LiPoly Charger - Single Cell

SparkFun USB LiPoly Charger - Single Cell

PRT-12711
$16.75
8
USB Power Meter (Color TFT LCD)

USB Power Meter (Color TFT LCD)

TOL-15571
$24.95
5
SparkFun Beefcake Relay Control Kit (Ver. 2.0)

SparkFun Beefcake Relay Control Kit (Ver. 2.0)

KIT-13815
$8.95
20
SparkFun Adjustable LiPo Charger

SparkFun Adjustable LiPo Charger

PRT-14380
$12.50
3
SparkFun SOT23 to DIP Adapter

SparkFun SOT23 to DIP Adapter

BOB-00717
$0.95
7
Battery Holder 2xAA with Cover and Switch - JST Connector

Battery Holder 2xAA with Cover and Switch - JST Connector

PRT-09925
$1.50
2
Wall Adapter Power Supply - 12VDC, 600mA (Barrel Jack)

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

TOL-15313
$5.95
Raspberry Pi 12.5W Micro-USB Power Adapter (US)

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

TOL-18716
$8.00
Battery Holder - 4xAA to Barrel Jack Connector

Battery Holder - 4xAA to Barrel Jack Connector

PRT-09835
$2.49