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Showing 41-49 of 49 products · 11 unavailable products hidden
3 x AA Battery Holder with 2.1mm Plug
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A compact battery holder for three AA cells with an integrated power cable and DC barrel jack. The series configuration delivers approximately 3.6–4.5V depending on battery chemistry, making it a convenient power source for 3.3V microcontroller projects and portable electronics. The 200mm power ...
5V 2A (2000mA) switching power supply - UL Listed
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This FCC/CE certified and UL-listed switching power supply delivers a clean, regulated 5V DC output at up to 2A (2,000mA) via a standard 5.5×2.1mm DC barrel jack. It accepts 110–240V AC input and is suitable for powering LED strips, motors, and other current-hungry 5V devices. Key Features Out...
![2.1mm female/male barrel jack extension cable [1.5m / 5 ft]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCKaZJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--c82168fa2c30c7297fcf25297dcf84ba525a3623/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsHOgtmb3JtYXRJIghqcGcGOwBUOhJyZXNpemVfdG9fZml0WwdpApABaQKQAUkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--4cc5678865497cdbcf7b02aee5242eda5f847322/image_925d0a32-8a25-4211-985d-50d61543e27c.jpg)
2.1mm female/male barrel jack extension cable [1.5m / 5 ft]
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A 1.5-metre (5 ft) extension cable with a 5.5 / 2.1 mm barrel jack (female) on one end and a barrel plug (male) on the other. Heavy-duty 24 AWG wires handle up to 5 A, making it suitable for powering LED strips, Arduino boards, and other current-hungry projects at a distance. This cable also dou...
4 x AA Battery Holder with 2.1mm Plug and On/Off Switch
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A 4×AA battery holder with a built-in on/off switch and a 13cm (5″) power cable terminating in a centre-positive 2.1mm DC barrel jack. Provides convenient portable power with easy switching for development boards and projects that accept a standard DC barrel jack input. Delivers approximately 4....
9V to Barrel Jack Adapter
A simple 9V battery clip cable with a 5.5 × 2.1 mm centre-positive barrel jack on the other end. Plug it onto a standard 9V battery and connect directly to any device with an onboard barrel jack — perfect for powering an Arduino Uno or other development board from battery. Key Features 9V Batt...
2.1mm DC Power Jack with Rocker Switch
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A 2.1 mm DC barrel jack with a built-in rocker switch, giving you a simple on/off control for devices that lack a dedicated power switch. It shares the same PCB footprint as a standard non-switched barrel jack, so it drops straight into existing designs without layout changes. Plug in your power...
9V to Barrel Jack Adapter
A simple 9V battery clip cable with a 5.5 × 2.1 mm centre-positive barrel jack. Plug a 9V battery into one end and connect the other to any device with an onboard barrel jack — ideal for powering Arduinos, development boards, and evaluation boards from battery. Key Features 9V Battery Snap – S...
![USB to 2.1mm Male Barrel Jack Cable [22AWG 1 meter]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCa4NJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--bd56d7b7f66ad80ea806de7e9103022d6d7aeb10/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsHOgtmb3JtYXRJIghqcGcGOwBUOhJyZXNpemVfdG9fZml0WwdpApABaQKQAUkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--4cc5678865497cdbcf7b02aee5242eda5f847322/image_8bbed1a3-6065-46d8-880c-7f30844c9bcb.jpg)
USB to 2.1mm Male Barrel Jack Cable [22AWG 1 meter]
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This USB to 2.1 mm barrel jack cable lets you power 5 V DC devices from any USB port. Simply connect the USB-A end to a computer, USB wall adapter, or USB battery pack, and the barrel jack end to your device. At 1 metre long with 22 AWG wires, it handles higher current draws reliably. The barrel...
DC Barrel Jack Plug - Female
This female barrel jack plug is great for adding a common connector to the end of wires. This jack is compatible with 5.5x2.1mm barrel connectors. The outer shell unscrews to reveal solder terminals and a crimp strain relief. The outer shell has strain relief as well.
