Battery Holder 2xAAA 3V
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Prices updated: 12 Oct 2026
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About this product
A holder for two AAA cells that gives a nominal 3V output when two 1.5V cells are installed. Batteries slide in and out easily. It suits small battery-powered projects such as low-power sensors, LED circuits and 3V devices.
Specifications
- Battery size
- AAA
- Number of cells
- 2
- Nominal output voltage
- 3V
- Battery insertion
- Easy in and out / سهل التركيب والإخراج
Frequently asked questions
Can I power an Arduino Uno from this holder?
Not reliably. Most 5V boards need a higher input voltage than 3V, and the regulator on the board may not work correctly. Check the input voltage range in the board's documentation.
Is a 3V holder suitable for ESP32 boards?
ESP32 boards operate at 3.3V logic, but they need a regulated supply and can draw short current peaks during WiFi use. Two cells may not provide enough stable current, so check the board's power requirements before using this holder.
