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Power / Batteries

Batteries
Battery Holders / Adapter
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Power Supply / Voltage Regulator
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Newest Items First
12 Per Page
-20%
2 x AAA Battery Holder
$0.80 $1.00  
7 pc(s)
Battery holder for two AAA batteries, terminated with ~150mm leads
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5V Step-Up/Step-Down Voltage Regulator S7V7F5
$25.50  
4 pc(s)
The Pololu step-up/step-down voltage regulator S7V7F5 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 5 V output...
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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...
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SWADJHV High Voltage Step Down Adjustable Switching Regulator
$42.50  
4 pc(s)
The SWADJHV is the a high-voltage edition of our popular DE-SWADJ adjustable switching reulators. It is designed to accept an input voltage ranging from 5-60V, allowing you to power a variety of applications from extremely high-voltage sources. The SWADJHV is pin-compatible with the common 78XX...
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DE-SWADJ Step Down Adjustable Switching Regulator - 10W
$24.50  
2 pc(s)
The DE-SWADJ is the adjustable version of our SW0XX step down voltage regulators. It is designed to be the easiest possible way to add an adjustable voltage source to a new or existing project with all the efficiency benefits of switch-mode power. The DE-SWADJ is pin-compatible with the...
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Negatron DC-DC Converter
$36.50  
4 pc(s)
Negatron is a buck-boost converter that takes a positive voltage and turns it into a negative voltage that you can use with amplifier circuits and more. The output is adjustable from -1.3V to -12V. Negatron is also able to step up/step down the magnitude of the voltage. For example,...
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DE-SWADJ3 Step Down Adjustable Switching Regulator 25W
$42.00  
6 pc(s)
The DE-SWADJ 3 is a larger version of our DE-SWADJ adjustable step down voltage regulator. Previously it was necessary to put multiple DE-SWADJ units in parallel to achieve ratings over 1A, which was bulky, expensive and carried with it a considerable increase in dropout voltage. The...
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2 x AA Battery Holder with Cover and Switch
$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...
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2 x AAA Battery Holder with Cover and Switch
$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...
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-20%
4 x AA Battery Holder with Barrel Jack
$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...
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DC Barrel Jack Adapter - Male
$2.50  
36 pc(s)
This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive male barrel jack. If you need to connect bare wires to a barrel jack on an Arduino or a development board, this might be the simple solution.
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LiPo Charger Basic - Micro-USB
$15.95  
Out-of-stock
If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The LiPo Charger Basic is stripped down of all features and just does one thing well - charge 3.7V LiPo cells at a rate of 500mA per hour. It is designed to charge single-cell Li-Ion or Li-Polymer...
Out-of-stock
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