Power / Batteries

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$0.80  
3 pc(s)
Battery holder for single AA batteries, terminated with ~150mm leads

$1.00 $1.85  
19 pc(s)
This 1xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable sliding cover and an ON/OFF switch which can be used to control power to your project. The leads are about 150mm, and the last 5mm of them are tinned. Dimensions: 69 x 26...

$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...

$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...

$0.80 $1.00  
Out-of-stock
Battery holder for two AA batteries, terminated with ~150mm leads
Out-of-stock

$1.90  
29 pc(s)
This 2xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is secured with a small phillips head screw. Another bonus is the ON/OFF switch which can be used to control power to your project. The leads are about...

$0.80 $1.00  
7 pc(s)
Battery holder for two AAA batteries, terminated with ~150mm leads

$2.25  
Out-of-stock
This 2xAAA Battery Holder with Switch and JST Connector is compatible with the BBC micro:bit. Supplied with ~150mm colour coded power leads and a JST connector at the end, this battery holder is light and can be attached to the back of BBC micro:bit cases. This battery holder features a lid...
Out-of-stock

$1.90  
14 pc(s)
Enclosed battery holder for two 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 about...

$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...

$0.50 $1.00  
84 pc(s)
Battery holder for three AA batteries, terminated with ~150mm leads

$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...

$0.50 $1.00  
50 pc(s)
Battery holder for three AAA batteries, terminated with ~150mm leads

$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...

$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...

$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...

$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%...

$3.00  
7 pc(s)
Battery holder for four 18650 Lithium Ion batteries, terminated with ~150mm leads

$1.00 $1.20  
23 pc(s)
Battery holder for four AA batteries, terminated with ~150mm leads

$1.20 $1.50  
36 pc(s)
This is a simple 4 cell AA battery holder. The 5 inch cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector. The connector mates with the barrel jack on the Arduino Uno (among a number of other products) allowing you to easily make your project...

$2.50  
3 pc(s)
Enclosed battery holder for four AA cells. This holder features a lid that slides over the batteries and snaps into place to fully enclose the battery. 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...

$2.80  
5 pc(s)
Enclosed battery holder for four AA cells. This holder features a lid that slides over the batteries and snaps into place to fully enclose the battery. 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...

$3.50  
8 pc(s)
This 4xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable sliding cover and an ON/OFF switch which can be used to control power to your project. The cable is terminated with a standard 5.5x2.1mm, center positive barrel jack...

$2.00 $2.50  
13 pc(s)
Enclosed battery holder for four AAA 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...
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