3,465 results for coin cell battery

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Batteries, Cellular
LilyPad Coin Cell Battery Holder - Switched - 20mm

DEV-13883
3.95
Coin Cell Battery - 20mm (CR2025)

PRT-11928
1.95
Coin Cell Battery - 12mm (CR1225)

PRT-00337
1.95
2
Coin Cell Battery - 20mm (CR2032)

PRT-00338
1.95
Coin Cell Battery Holder - 20mm (SMD)

PRT-11892
0.95
Coin Cell Battery Holder - 12mm (PTH)

PRT-07948
1.5
Coin Cell Battery Holder - 12mm (SMD)

PRT-10592
0.95
Coin Cell Battery Holder - 20mm (Sewable)

DEV-08822
1.25
4
Coin Cell Battery Holder - 24.5mm (PTH)

PRT-08863
0.95
Coin Cell Battery Holder - 20mm (PTH)

PRT-00783
1.5
1
LilyPad Coin Cell Battery Holder - 20mm

DEV-10730
3.95
Coin Cell Battery Holder - 2xCR2032 (Enclosed)

PRT-12618
1.95
1
Coin Cell Battery - 24.5mm (Rechargeable CR2450)

PRT-10319
2.95

DEV-11285
19 Retired
RFduino - CR2032 Coin Battery Shield

DEV-13216
16.95
Lithium Ion Battery - 18650 Cell (2600mAh)

PRT-12895
5.95
Lithium Ion Battery - 18650 Cell (2600mAh, Solder Tab)

PRT-13189
6.5
2
Button Cell Battery - 11.6mm (LR44)

PRT-11305
0.95
SparkFun Battery Babysitter - LiPo Battery Manager

PRT-13777
19.95
Lithium Ion Battery - 1Ah

PRT-13813
9.95
4
Lithium Ion Battery - 6Ah

PRT-13856
29.95
4
Lithium Ion Battery - 850mAh

PRT-13854
9.95
1
Lithium Ion Battery - 400mAh

PRT-13851
4.95
5
Lithium Ion Battery - 110mAh

PRT-13853
4.95
1
Lithium Ion Battery - 2000mAh

PRT-08483
12.95
26
Polymer Lithium Ion Battery - 40mAh

PRT-13852
4.5
SparkFun Load Cell Amplifier - HX711

SEN-13879
9.95
12
SparkFun Block for Intel® Edison - Battery

DEV-13037
19.95
8

DEV-13214
Lithium Ion Battery - 1000mAh 7.4v

PRT-11855
9.95
2
Lithium Ion Battery - 2200mAh 7.4v

PRT-11856
15.95
Coin Acceptor - Programmable (3 coin types)

COM-11719
19.95
6
Coin Acceptor - Programmable (6 coin types)

COM-11636
44.95
3
E-Textiles Battery - 110mAh (2C Discharge)

PRT-13112
6.95
3
Battery Holder - 18650 (PTH)

PRT-13113
0.75
Miniature Solar Cell - BPW34

PRT-09541
1.5
1
Battery Holder - 4xAA Square

PRT-00552
1.95
1

PRT-09962
1
Load Cell - 200kg, Disc (TAS606)

SEN-13332
56.95
2
SparkFun Photon Battery Shield

DEV-13626
12.95
5
9V Battery Holder

PRT-10512
2.95
1

SEN-13331
EL Inverter - Battery Pack

COM-11222
4.95
1
SparkFun Power Cell - LiPo Charger/Booster

PRT-11231
19.95
12
Battery Holder - 2x18650 (wire leads)

PRT-12900
1.5
3
Battery Holder - 1x18650 (wire leads)

PRT-12899
1
2500 mAh NiMH Battery - AA

PRT-00335
2.95

SEN-13330

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Battery Technologies

February 6, 2013

The basics behind the batteries used in portable electronic devices: LiPo, NiMH, coin cells, and alkaline.

What is a Battery?

May 3, 2016

An overview of the inner workings of a battery and how it was invented.

E-Textile Mask

September 19, 2014

Use LilyPad LEDs, a switched battery holder, and coin cell battery to make a fun light up mask for your next costume party.

Battery Babysitter Hookup Guide

June 23, 2016

An introduction and getting started guide for the Battery Babysitter - a flexible LiPo battery charger and monitor.

Load Cell Amplifier HX711 Breakout Hookup Guide

July 22, 2016

A hookup guide for the HX711 load cell amplifier breakout board

Illuminated Mask

December 16, 2016

Use LilyPad LEDs, a switched battery holder, and coin cell battery to make a fun light up mask for your next costume party.

E-Textile Art Pin

March 12, 2015

Create a quick and easy piece of e-textile art using a LilyPad LED, battery holder, conductive thread, and coin cell battery.

Glowing Pin

December 16, 2016

Create a quick and easy piece of e-textile art using a LilyPad LED, battery holder, conductive thread, and coin cell battery.

Load Cell Amplifier HX711 Breakout Hookup Guide - RETIRED

June 11, 2015

A hookup guide for the HX711 load cell amplifier breakout board

Photon Battery Shield Hookup Guide

July 2, 2015

The Photon Battery Shield has everything your Photon needs to run off, charge, and monitor a LiPo battery. Read through this hookup guide to get started using it.

Uh-Oh Battery Level Indicator Hookup Guide

April 9, 2014

Learn how to assemble and use the Uh-Oh Battery Level Indicator Kit.

LDK Experiment 1: Lighting Up a Basic Circuit

February 7, 2013

The first experiment in the LilyPad Design Kit series. In this exercise, you will learn how a basic e-textiles circuit works, and light up a sewable LED using a coin cell battery holder and conductive thread.

Getting Started with Load Cells

June 11, 2015

A tutorial defining what a load cell is and how to use one.

MG2639 Cellular Shield Hookup Guide

May 7, 2015

Learn how to equip your Arduino with an MG2639 Cell Shield and use it to send SMS or TCP via GPRS.

Measuring Internal Resistance of Batteries

May 5, 2016

Classroom STEM activity that has students build a battery from a lemon, measure the open and closed circuit voltages, and determine the battery's internal resistance.

How Lithium Polymer Batteries are Made

May 28, 2014

We got the opportunity to tour the Great Power Battery factory. Checkout how LiPos are made!

Sunny Buddy Solar Charger Hookup Guide

April 11, 2014

How to hookup the Sunny Buddy: a solar-powered, MPPT (peak-power tracking), LiPo battery charger.

LTC4150 Coulomb Counter Hookup Guide

September 18, 2014

A "Coulomb Counter" is like a gas gauge for your battery. Here's how to use it.

LED Butterfly Pop Up Card

August 19, 2015

Craft an illuminated butterfly pop up card with copper tape, two LEDs, and a battery.

Sunny Buddy Solar Charger V13 Hookup Guide

October 13, 2014

How to hookup the Sunny Buddy: a solar-powered, MPPT (peak-power tracking), LiPo battery charger.

LED Robot Pop Up Card

August 19, 2015

Craft a paper circuit pop up card with a cycling RGB LED, battery, and copper tape.

Light-Up Plush

December 16, 2016

Craft a light-up plush with LilyPad LEDs controlled by pressing a button and sliding a switch in the creature's hands.

Powering LilyPad LED Projects

December 17, 2016

Learn how to calculate how many LEDs your LilyPad project can power and how long it will last.

Real Time Clock Module Hookup Guide

October 6, 2016

A quick introduction to the DS1307 RTC module and a hookup guide for the SparkFun Breakout.

H2OhNo!

November 25, 2013

Learn all about microcontrollers and basic electronics with the H2OhNo! water alarm and development board.

Firefly Jar Assembly Guide

May 14, 2013

Make a soft circuit firefly jar with conductive thread, LEDs, and the LilyTwinkle!

LilyMini ProtoSnap Hookup Guide

December 17, 2016

Explore the LilyPad LilyMini ProtoSnap and learn how to use it.

The Great Big Guide to Paper Circuits

May 22, 2015

Let's take a look at different materials we can use to combine paper crafting and electronics.

Teensy Arduino Shield Adapter Hookup Guide

June 18, 2015

A basic introduction and assembly guide for the SparkFun Teensy Arduino Shield Adapter.

DeadOn RTC Breakout Hookup Guide

October 6, 2016

An introduction to the DS3234 real-time clock (RTC), example wiring diagrams, and an Arduino library!

Teardown: Misfit Shine Activity Tracker

April 3, 2014

A quick tear down of the popular fitness tracking device, the Misfit Shine.

Twinkling Trick or Treat Bag

October 2, 2014

Make a light up goodie bag with conductive thread, LEDs, and the LilyTwinkle!

21st Century Fashion Kit: Electrochromatic Circuits

November 5, 2014

Diana Eng walks you through a magically appearing design made with an thermochromatic pigment.

LilyPad Basics: E-Sewing

December 17, 2016

Learn how to use conductive thread with LilyPad components.

Paper Circuit Pin

April 11, 2016

This quick craft project shows you how to create a circuit using copper tape instead of wire to light up an LED and make a wearable piece of e-craft art.

Light-Up Valentine Cards

January 27, 2015

Light up your love with paper circuits - no soldering required!

Let It Glow Holiday Cards

November 20, 2014

Craft a glowing card for friends and family this holiday season with paper circuits - no soldering required!

LilyTiny Plush Monster

January 27, 2015

Craft a stuffed monster while exploring the LilyTiny preprogrammed microcontroller. This is a project based on the Plush Monster Activity created at MIT's High-Low Tech Lab by Emily Lovell, Jie Qi, and Natalie Freed.

GPS Logger Shield Hookup Guide

February 11, 2016

How to assemble and hookup the SparkFun GPS Logger Shield. Never lose track of your Arduino again!

Light Up Pennant with E-Textiles

September 17, 2015

Show your school spirit, geek pride, or fandom with a light up pennant using the LilyTwinkle or LilyPad Arduino.

Polarity

June 14, 2013

An introduction to polarity in electronic components. Discover what polarity is, which parts have it, and how to identify it.

Light Up Silk Flower Corsage

April 20, 2015

Combine a silk flower with a built-in RGB LED and some LilyPad Switches to create a customizable accessory.

Soft Circuits: LED Feelings Pizza

February 13, 2013

Here we will learn how to say how you feel with pizza. Electric pizza.

Night-Light Pennant with LilyMini ProtoSnap

December 16, 2016

Use the pre-programmed LilyMini ProtoSnap to make an interactive pennant that reacts to ambient light levels.

LiPo USB Charger Hookup Guide

May 1, 2014

How to charge your LiPo batteries with the USB LiPo charger. Plus how to modify your charger to set the charge current.

Hacking Your Maker Faire Badge

September 18, 2014

How to hook-up, program, and modify your Maker Faire Badge for electronic fun.

Light-Up Father's Day Card

June 9, 2014

Light up your dad's day with this electronic pop-up card!

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Battery vs. Water Tank

October 23, 2008 32

How much water does it take to replace a battery?

SparkFun Live: Coin-operated Insult Generator

February 25, 2014 19

Join us for the next episode of SparkFun Live, where engineer Mike Hord will help us build a coin-operated insult generator for all your insulting needs.

Enginursday: Battery Management

March 23, 2017 9

This post explores how to use the power control features of the Battery Babysitter to make a product with the features we expect from portable embedded electronics.

T³: Building a battery backup Pokédex for Pokémon Go!

July 12, 2016 56

Catching 'Em All can drain your smartphone battery; let's see if we can fix it in style!

The Science of Licking a 9V Battery

February 4, 2014 20

Why do we feel a tingle when we lick a 9V battery?

T³: Battery Basics

May 3, 2016 10

A quick look at the science behind how batteries work.

New Battery Changes

April 4, 2016 21

These electrifying little devices are getting more restricted by the year.

Big Changes to Battery Ordering Are Coming

December 7, 2016 22

If you order batteries from us, you'll want to read this.

New Product Friday: Sally Sells Cell Shields by the Sea Shore

May 8, 2015 20

This week we have a brand new full-featured Cellular Shield and some cool demo videos.

Nuclear Fusion

December 8, 2008 22

Checkout our caliper battery hack and a new class on creating basic schematics.

New Product Friday: Worth the Weight

June 12, 2015 15

Introducing the SparkFun Load Cell Amplifier, various load cells, new products from Chibitronics, and more!

Meet the Scooterputer

July 7, 2010 24

A Scooter battery meter grows into something a little bit crazier!

What's All the Fuss About Lithium Batteries?

February 23, 2015 25

The positives and negatives of shipping lithium batteries in the 21st century.

What would you like to see?

August 15, 2008 40

What items would you like to see available down the street? Oh, and some new products posted.

Friday Product Post: Pedal to the Metal!

September 23, 2016 2

Let's rock with the new SparkFun Proto Pedal guitar pedal and some cool revisions!

Hardware Hump Day: 3 Soft Electronics Tricks

December 28, 2016 0

Build three simple electronics components using soft materials.

Nordic Coaster

April 18, 2008 2

Oh PCB layout. How you spite thee. What's a coaster you ask? A <a href="http://en.wikipedia.org/wiki/Beermat">coaster </a>is something that sits under a coffee mug (or beer glass) and prevents the vessel on top from leaving a visible ring on a table. It's also a name for a completely screwed up PCB.

First Ever Friday New Product Post!

April 1, 2011 62

This is the first ever product post at our new day, Friday.

New Product Friday: A Touching Gesture

November 7, 2014 5

A cool new sensor, some revisions, and other great stuff. Check out what's new.

St. Patrick's Day New Product Post

March 17, 2011 36

Today we're going green with a special St. Patrick's Day new product post.

Product Post!

October 7, 2010 7

Another week, another round of new products.

Reused parts contest winner!

August 9, 2014 3

Congratulations to our reused parts winner!

New Product Friday: Circuit Stickers

April 17, 2015 14

New for this week, Chibitronics Circuit Stickers, check out the demo video.

Announcing the ProtoSnap Line

July 29, 2011 50

Take prototyping to the next level with the ProtoSnap!

A Round of New Products for Friday

August 12, 2011 27

We have a round of bright new products for you to take for a spin!

Friday Product Post: My Oh MyoWare!

March 18, 2016 2

The MyoWare Muscle sensor is out, and you know we built a handful of shields to attach to it!

Welcome to another year of new products!

January 6, 2011 19

It's 2011 and we expect this to be a big year for new products.

New Product Friday

July 20, 2012 17

This week we're back with more new products and another demo project.

New Product Friday: Purple Power

May 11, 2012 10

Some tools, a mistake, the future of Arduino, and a sewing kit. What's not to love about this week's products?

Tips for a Better E-Textiles Workshop

January 10, 2014 1

Here are a few tips for creating your e-textiles workshop and activities.

New Product Friday: Form Follows Function

August 17, 2012 28

Nick covers for Rob as we wave 'hello' to some new products!

New Product Friday: A Mega New Product Post!

November 4, 2011 21

Yet another new product post with more new products, some classes, and of course a video.

Solar Powered Bird Tracking

August 3, 2010 30

A small solar powered bird tracker that weighs only 11 grams!

Product Feeding

May 29, 2008 0

Lots of new products listed. Be sure to sign up for the New Product RSS feed.

Post Free-Day Saturday New Product Post

January 15, 2011 63

Now that Free-Day is over we have to get back to the normal grind. Here are the new products for this week.

New Product Friday: A Display of Power

November 18, 2011 50

It's Friday again, so we have more new products to talk about.

Combat Bots course preview

July 6, 2016 3

Here's what the combat part of AVC will look like

Another Thrilling New Product Post

February 3, 2011 24

Another week, another new product post. How many products can we carry? As many as you want us to!

Friday Product Post: Fall in Line

October 16, 2015 1

A new robotics board and Arduino shield should help ease you into the weekend!

The Return to Shenzhen - Part 2

April 13, 2011 65

SparkFun visits various factories and the electronics market in Shenzhen, China.

New Product Friday: RFduino!

November 14, 2014 6

A whole new line of wireless, finger-tip sized, Arduino compatible development boards and shields!

New Product Friday: Demo Friday

January 17, 2013 19

We didn't have a lot of products this week, but we have a couple of product demonstrations.

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EdWeek: Making and Measuring Batteries

May 4, 2016

STEM Project: Make and Measure a Battery Learn about batteries with a concept video and tutorial. Then, create a simple battery using a lemon, …

e-Textile Art Pin

June 11, 2014

Create a quick and easy piece of e-textile art using a LilyPad LED, Battery Holder, conductive thread, and coin cell battery.

e-Textile Mask Workshop

April 9, 2014

Presentation on sewing circuits and creating a light up mask used during Girl Scout Troop 73265's visit to SparkFun HQ.

Paper Circuits: Light Up Valentine Pop Up Cards

March 27, 2014

Templates and slide presentation used in the Light Up Your Love with Paper Circuitry class on 2/12/14.

Paper Circuits: Lotus Flower Pop Up Card

May 6, 2014

Templates used in the Have Fun with Paper Circuitry workshop at GESTEM on 5/9/14.

Paper Circuit Cards

March 1, 2014

Have students build a simple circuit with copper tape, a coin cell battery, and an LED. This template can be extended to any number of other activities inv

Paper Circuits Pin

March 31, 2014

This quick craft project shows you how to create a circuit using copper tape instead of wire to light up an LED and make a wearable piece of e-craft art.

LilyPad Sewable Electronics Kit

January 19, 2017

Get the LilyPad Sew Kit Get the LilyPad Sew Kit …

AVC 2016

September 26, 2016

View Photos View Scoreboard View Site Map View Rules View Program Watch a recap of the live stream here! …

Return Policy

November 3, 2016

We want you to love your new parts and gadgets! Sometimes your project changes or something is not working the way you thought it would. Never fear, we are here to help! 90 day unmodified return poli…

GPS Buying Guide

January 1, 2012

GPS Buying Guide Above your head, right now, at an altitude of about 20,200 km there is a system of navigation satellites. There’s 35 of them, 24 active at any given time. It cost millions and …

LilyPad With No Programming

February 6, 2014

Introductory handout covering sewing with conductive thread and how to avoid short circuits in e-textiles with LilyPad components.

Resistance Board

February 6, 2014

A project using e-textiles to show the concept of resistance in an intuitive manner.

Connect AnyThing Curriculum

October 22, 2014

Welcome to Connect AnyThing This website is designed to support classroom teachers, volunteers, and staff in museums, libraries, and Maker spaces, basically anyone engaging new audiences …

LilyPad With Programming

February 6, 2014

Get started prototyping without a breadboard using the ProtoSnap LilyPad Development Board to control buzzers, vibration motors, RGB LEDs and more.

NodeBots Day 2016 - SIK for J5

April 12, 2016

Johnny Five Inventor’s Kit(J5IK) The only kit built for Nodebots Day!Fea…

Get Started With Blynk

August 29, 2016

BLYNK Built to seamlessly bridge software and hardware, the Blynk Board and app offer the most …

Simblee BLE

August 10, 2016

Simblee is a small Arduino-programmable Bluetooth 4.0 (BLE) module allowing you to get started playing with IoT (Internet of Things). Unlike other IoT offerings, Simblee integrates the GUI descript…

ISS National Design Challenge

October 31, 2016

ISS National Design Challenge Have questions? Let me know! mike.grusin@sparkfun.com Welcome CASIS ISS National Design Challenge participants! The following parts may be useful when developing your …

Defend The Open Internet

July 14, 2014

Defend the Open Internet When cash speaks louder than innovation the Internet ceases to be open.This could happen. You can stop it. I. The Internet of today Today the Internet is an open plac…

Arduino Buying Guide

March 3, 2017

Arduino Buying Guide Let’s face it, there are a lot of different Arduino boards out there. How do you decide which one you need for your project? With this table, you can not only compare featu…

Accelerometer, Gyro and IMU Buying Guide

September 20, 2016

Accelerometer, Gyro and IMU Buying Guide Accelerometers and gyros are becoming increasingly popular in consumer electronics, so maybe it’s time you added them to your project! Scrolling through…