Browse by category

SGBotic Products
Arduino
BBC micro:bit
Raspberry Pi
STEAM
machine learning
Audio / MP3
Breakout Boards
Cables
Camera / Lenses
Components
Development Boards
E-Textiles
Instruments
LED / LCD
Power / Batteries
Programmers
Prototyping
RFID / NFC
Robotics / Hardware
Sensors
Tools
Wireless
School & Uni Packs

Power / Batteries

Batteries
Battery Holders / Adapter
Chargers
Power Supply / Voltage Regulator
Relay
Renewable Energy
1 2 3
Sort by Popularity
24 Per Page
3.3V Step-Up/Step-Down Voltage Regulator S7V8F3
$18.50  
6 pc(s)
The Pololu step-up/step-down voltage regulator S7V8F3 is a switching regulator (also called a switched-mode power supply (SMPS) or DC-to-DC converter) that uses a buck-boost topology. It takes an input voltage from 2.7 V to 11.8 V and increases or decreases the voltage to a fixed 3.3 V output...
− +
9V Battery Holder
$0.80  
6 pc(s)
This 9V battery holder allows your battery to snap in tight and holds it in place, which is great in situations where you don't want the battery just hanging. It also has three mounting holes so you can attach it securely to your enclosure. It is terminated with a 150mm leads
− +
1 x AA Battery Holder
$0.80  
3 pc(s)
Battery holder for single AA batteries, terminated with ~150mm leads
− +
2 x AAA Battery Holder with JST Connector
$1.40  
1 pc(s)
This 2xAAA Battery Cage with JST connector is compatible with the BBC micro:bit. Supplied with colour coded power leads and a JST connector at the end, this battery cage is light and features a M3 mounting hole in the centre so it can be attached to the back of BBC micro:bit cases. The JST...
− +
-50%
3 x AA Battery Holder with Switch and Cover
$1.00 $2.00  
1 pc(s)
Enclosed battery holder for three AA cells. This holder features a lid that slides over the batteries and snaps into place to fully enclose the cells. It also features a switch that lets you open and close the electrical connection between the batteries and the holder's leads. The leads are...
− +
DC Barrel Power Jack/Connector
$0.50  
6 pc(s)
DC power jack / connector. This is a common barrel-type power jack for DC wall supplies. These are compatible with our DC wall supplies and have a 5.5mm jack, with a 2.1mm center pole diameter.
− +
8 x AA Battery Holder with On/Off Switch and Cover
$3.80  
2 pc(s)
Enclosed battery holder for eight AA batteries. This holder features a lid that slides over the batteries and snaps into place to fully enclose them. It also features a switch that lets you open and close the electrical connection between the batteries and the holder's leads. The leads are...
− +
-50%
3 x AA Battery Holder
$0.50 $1.00  
84 pc(s)
Battery holder for three AA batteries, terminated with ~150mm leads
− +
DC Barrel Jack Plug - Male
$0.50  
52 pc(s)
This barrel jack plug is great for adding a common connector to the end of our wires. This jack is compatible with 5.5mm barrel jacks that have a 2.1mm center pole diameter. The outer shell unscrews to reveal solder terminals and a crimp strain relief. The outer shell has strain relief as well.
− +
6 x AA Battery Holder with Switch and Cover
$2.90  
15 pc(s)
Enclosed battery holder for six AA cells. This holder features a lid that slides over the batteries and snaps into place to fully enclose the cells. It also features a switch that lets you open and close the electrical connection between the batteries and the holder's leads. The leads are...
− +
10A Relay Module For 3.3V And 5V Controller
$15.50  
2 pc(s)
This 10A Relay Module is a little different to the other relays in our store - not only is it compatible with 5V Arduino boards, but also with Raspberry Pi, BBB (BeagleBoard Black), mbed, Intel Joule, Arduino 101 and other 3.3V devices. It is specially designed for low-voltage devices and...
− +
Non-Isolated Single Relay Module For 3V Controller
$6.50  
1 pc(s)
This single channel Relay Module is specially designed for low-voltage devices and works well with 3.3V power supply. It can be used to control the lighting, electrical and other equipments through the digital IO port. The module comes with on-board back EMF protection to eliminate the...
− +
12V, 1A Step-Down Voltage Regulator D24V10F12
$14.50  
4 pc(s)
This D24V10F5 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 12 V while allowing for a maximum output current of 1 A. This regulator offers typical efficiencies between 85% and 90% and has a very low dropout, so it can be used with input...
− +
-31%
In-line power switch for 2.1mm barrel jack
$2.50 $3.60  
10 pc(s)
Add a power switch to any project simply by plugging this between the power supply. This is the most useful thing you never knew you needed! You'll want to pick up a bunch for your electronic projects. Comes with a 5.5/2.1mm barrel jack on one end an a plug on the other. In between is an...
− +
8 x AA Battery Holder, Back-to-Back
$1.50  
2 pc(s)
This is a simple Battery holder for eight AA cells arranged as two back-to-back four-cell holders.
− +
-50%
3 x AAA Battery Holder with Cover and Switch
$1.00 $2.00  
13 pc(s)
Enclosed battery holder for three AA cells. This holder features a lid that slides over the batteries and snaps into place to fully enclose the cells. It also features a switch that lets you open and close the electrical connection between the batteries and the holder's leads. The leads are...
− +
3.3V, 2.5A Step-Down Voltage Regulator D24V25F3
$35.00  
10 pc(s)
This D24V25F3 synchronous buck voltage regulator takes an input voltage of up to 38 V and efficiently reduces it to 3.3 V. The board measures only 0.7″ × 0.7″ yet delivers a typical continuous output current of up to 2.5 A and features reverse voltage protection. Typical efficiencies of 80%...
− +
6 x AA Battery Holder
$1.40  
19 pc(s)
Battery holder for six AA batteries, terminated with ~150mm leads
− +
-20%
2 x AAA Battery Holder
$0.80 $1.00  
7 pc(s)
Battery holder for two AAA batteries, terminated with ~150mm leads
− +
Breadboard Power Supply 5V/3.3V
$2.95  
5 pc(s)
This Breadboard Power Supply Module plugs directly into a solderless breadboard and provides both 3.3V and 5V power directly to the breadboard power rails. The board accepts 7 to 12V DC input via the barrel jack or 5V via the mini-B USB port. It provides two regulated, fuse protected outputs...
− +
5 x AA Battery Holder
$1.30  
21 pc(s)
Battery holder for five AA batteries, terminated with ~150mm leads
− +
-50%
Solar Panel - 18V 2.5W
$18.75 $37.50  
2 pc(s)
Need a clean energy source to power you project? Check out this high quality, high output solar panel. Each panel features high efficient polycrystalline cells mounted onto a fibreglass PCB and covered with epoxy resin which protect the cells without reducing efficiency. A weatherproof plastic...
− +
-15%
MOSFET Power Controller
$12.50 $14.75  
2 pc(s)
MOSFETs are awesome. They're like a switch that you flip electronically! This SparkFun MOSFET Power Controller makes it easy to switch a battery supply on and off using your favorite microcontroller. The board also has sewable pads so you can use it in e-textile projects that need more juice....
− +
3.3V, 1A Step-Down Voltage Regulator D24V10F3
$14.50  
5 pc(s)
This D24V10F3 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 3.3V while allowing for a maximum output current of 1 A. This regulator offers typical efficiencies between 80% and 90% and has a very low dropout, so it can be used with input...
− +
1 2 3