> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# 3x AAA Battery Holder with Switch - Tiny FX Compatible

**Type:** Product page · **SKU:** COM0665 · **Brand:** [Pimoroni](https://core-electronics.com.au/brands/pimoroni-australia) · **GTIN:** 769894025758
**Page:** https://core-electronics.com.au/pimoroni-3x-aaa-battery-holder-switch-tiny-fx-compatible.html ([markdown](https://core-electronics.com.au/pimoroni-3x-aaa-battery-holder-switch-tiny-fx-compatible.html.md))

Power your Tiny FX projects with this 3x AAA battery holder featuring a built-in power switch, JST-SUR connector, and 3.3-4.5V output range for reliable portable power.

## Pricing

- **Price:** $6.30 (inc GST) — $5.73 AUD, exc GST
- **Quantity discounts:** 10+ $5.50 (exc GST) · 25+ $5.33 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Aug 26 and Aug 31.

## How to buy

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- **Verify the cart first:** fetch `https://core-electronics.com.au/cart/link/COM0665:1.md` for live line prices (inc & exc GST, quantity discounts applied), stock and dispatch estimates, and totals. Append `/to/{AU-postcode}` (or `/to/{country-code}:{postcode}`) before `.md` for delivery options and prices to that destination. Unknown, retired, or out-of-stock SKUs are flagged. (Query form `cart/link.md?items=...` also works but some robots parsers refuse query strings here.)
- **Checkout** is completed on-site and includes a captcha at the payment step. Share the cart link; checkout takes it from there.
- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

Power your electronics projects reliably and efficiently with the Pimoroni 3x AAA Battery Holder with Switch. This versatile power solution delivers a consistent voltage range between 3.3V and 4.5V, making it ideal for a wide range of portable electronics projects and educational applications.

## **Key Features**

- Integrated power switch for convenient control
- 2-pin JST-SUR connector for secure connections
- 250mm cable length for flexible positioning
- Compact dimensions: 63 x 37 x 17mm (L x W x D)
- Voltage output range: 3.3-4.5V
- Series configuration for optimal power delivery
 
## **How to Use**

Installation is straightforward and tool-free. Simply insert three AAA batteries following the polarity indicators marked in the battery compartment. The JST-SUR connector plugs directly into compatible Pimoroni [Tiny FX boards](https://core-electronics.com.au/tiny-fx-led-effects-controller-board.html) and related hardware. Use the integrated power switch to control power delivery without disconnecting the batteries.

For optimal performance, consider using either alkaline or rechargeable NiMH AAA batteries. When using alkaline batteries, expect a voltage range from 4.5V (fresh) to 3.3V (end of life). With NiMH rechargeable batteries, the voltage will range from 3.7V (fully charged) to 2.7V (discharged).

## **What's in the Box**

- 1x Pimoroni 3x AAA Battery Holder with Switch
- 1x JST-SUR cable (pre-attached)
 
## **Compatibility**

This battery holder is specifically designed for integration with Pimoroni Tiny FX systems and projects. The JST-SUR connector ensures reliable power delivery for compatible devices. For alternative power solutions, consider the [Adafruit 3x AAA Battery Holder](https://core-electronics.com.au/3-x-aaa-battery-holder-with-on-off-switch-and-2-pin-jst.html) with JST-PH connector or the [Core Electronics 3x AAA Battery Box](https://core-electronics.com.au/3x-aaa-battery-box-dupont-switch.html) with Dupont connector for different connection requirements.

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/C/O/COM0665-2_2.jpg)