> **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

# KWS-V20 USB Tester - Current/Voltmeter

**Type:** Product page · **SKU:** CE05341 · **Brand:** [Core Electronics](https://core-electronics.com.au/brands/core-electronics-australia)
**Page:** https://core-electronics.com.au/kws-v20-usb-current-voltmeter-usb-tester.html ([markdown](https://core-electronics.com.au/kws-v20-usb-current-voltmeter-usb-tester.html.md))

Test your USB connectors using the USB Tester module, it can read...

## Pricing

- **Price:** $6.20 (inc GST) — $5.64 AUD, exc GST
- **Quantity discounts:** 10+ $5.07 (exc GST) · 50+ $4.79 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 10 today; more stock is typically available with a 8–12 day lead time.

## How to buy

- **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=CE05341:1` (comma-separated SKU:qty pairs) and share the link. Opening it shows a confirmation page with live pricing and stock before anything is added to the cart.
- **Verify the cart first:** fetch `https://core-electronics.com.au/cart/link/CE05341:1.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

This USB Tester module plugs directly into a USB Type-A Female socket and allows you to plug ANY Type A USB connector into the other side. Then, you are able to measure the voltage/current passing through the device. It has a small LCD screen on the front with readouts for Voltage/Current/Time/mAh.

The voltage and current readings are accurate within 1%.

This is a perfect, pocket-sized device for fast and simple testing of USB sockets.

**Technical Specifications**

Input voltage reading: 3.5~9V +/-1%

Current output reading: 0.3~3A +/-1%

Capacity charged reading: 0~99999mAh

Charging duration: 0~99h 59 mins

Dimensions: 72 x 23 x 13.5mm

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/c/e/ce05341-1.jpg)