> **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

# 2 x 18650 Battery Holder with DC2.1 Power Jack

**Type:** Product page · **SKU:** FIT0538 · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/2-x-18650-battery-holder-with-dc2-1-power-jack.html ([markdown](https://core-electronics.com.au/2-x-18650-battery-holder-with-dc2-1-power-jack.html.md))

The 18650 lithium battery is a commonly used lithium battery in electronic products. It is often used in batteries of laptop computers and power banks. 18650, which...

## Pricing

- **Price:** $3.35 (inc GST) — $3.05 AUD, exc GST
- **Quantity discounts:** 6+ $2.89 (exc GST) · 12+ $2.77 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 7 today, and up to 95 more in 8–12 days.

## How to buy

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- **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

**Introduction**

 The 18650 lithium battery is a commonly used lithium battery in electronic products. It is often used in batteries of laptop computers and power banks. 18650, which refers to a battery with a diameter of 18mm and a length of 65mm. This 2 x 18650 battery holder has inner connection in series, DC 2.1 power jack, standard 7.4V output. You can connect Arduino directly.

![](https://core-electronics.com.au/attachments/localcontent/FIT0538-Display_4777760a815.jpg) **FEATURES**

5. ABS shell
6. The spring plate is nickel plated with stainless steel.
7. The material structure is firm and durable.
 **Specification**

- RoHs Certification
- Battery Model: 18650
- Cell number: 2
- Output Voltage: 7.4 V
- Plug form: DC 2.1 (outer diameter 5.5, inner diameter 2.1)
- Size: 77.9 x 40.11 x 21.41 mm/ 3.07 x 1.58 x 0.84 inches
- Weight: 15.5 g
 
 **Parts List**

 2 x 18650 Battery Holder with DC2.1 Power Jack x1

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/f/i/fit0538-45-900x600.jpg)