---
product_id: 17221405
title: "Ownmax 4in 1 3.1A Car Dual USB Charger LED Voltage Current Meter Tester / Temperature Adapter Black"
brand: "ownmax"
price: "378 kr"
currency: DKK
in_stock: true
category: "Wireless Phone Accessory"
url: https://www.desertcart.dk/products/17221405-ownmax-4in-1-3-1a-car-dual-usb-charger-led
store_origin: DK
region: Denmark
---

# Ownmax 4in 1 3.1A Car Dual USB Charger LED Voltage Current Meter Tester / Temperature Adapter Black

**Brand:** ownmax
**Price:** 378 kr
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Ownmax 4in 1 3.1A Car Dual USB Charger LED Voltage Current Meter Tester / Temperature Adapter Black by ownmax
- **How much does it cost?** 378 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/17221405-ownmax-4in-1-3-1a-car-dual-usb-charger-led)

## Best For

- ownmax enthusiasts

## Why This Product

- Trusted ownmax brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Features： 
 1.Double 3.1A USB output4,Can charge two devices at the same time 
 2.Over-current protection,Atomatically switches to a saver mode to prevent overcharging and short circuit 
 3.4In 1 fuctions:Voltage measuring,Current measuring,Temperature measurement,Charging 
 4.Intelligent IC chip inside recognizes a fully charged battery 
 5.Plugs into your car's cigarette lighter and charges your phone and other electronic devices while you're driving 
 6.Compatible with most phones and devices(iPod,iPad,iPhone,Samsung,HTC,other mobile phone,MP3,MP4,camera etc). 
 
 
 
Parameter： 
 1.Input Voltage:DC 12 V-24V 
 2.Output Voltage: DC 5V 
 3.Output Current: 3.1A 
 4.Conversion Efficiency:95% 
 5.Voltage Measuring Range: 5 V - 25 V 
 6.Current Measuring Range: 0-3.1 A 
 7.Temperature Measurement Range: - 20 Degrees to + 80 Degrees 
 
 
 
Note: 
 When put charger into cigarette, prevent metal things from touching the metal sheet of the charger 
 Do not take apart or knock the charger 
 Stop using the charger when cover or lead damage

## Features

- Design With Double 3.1A USB Output,PTTC Over-Current Protection
- Can Be Measured Voltage  Range,Current  Range,Temperature  Range,Display The Voltage,Temperature and Current Alternately By Each 20 Seconds
- Conversion Efficiency:95%,Output:5V 3.1A
- 2-port USB Car Charger Provides Maximum Speed to Charge  Mobile Devices, Tablet and Music Players SimulTaneously on the Trip. This Portable Fast Car Charger charges for Apple iPhone, iPad , Mini, MP3 Players,  Samsung , HTC, LG,  Tablet, Cell Phone
- Auto Power Off While the input Current or Output Current is Greater Than The Safety Current,Please Plug Out Will Working Again

## Images

![Ownmax 4in 1 3.1A Car Dual USB Charger LED Voltage Current Meter Tester / Temperature Adapter Black - Image 1](http://ecx.images-amazon.com/images/I/41hnSTKfn%2BL.jpg)
![Ownmax 4in 1 3.1A Car Dual USB Charger LED Voltage Current Meter Tester / Temperature Adapter Black - Image 2](http://ecx.images-amazon.com/images/I/31wOJ5qizEL.jpg)
![Ownmax 4in 1 3.1A Car Dual USB Charger LED Voltage Current Meter Tester / Temperature Adapter Black - Image 3](http://ecx.images-amazon.com/images/I/41Jf6ZFbzxL.jpg)
![Ownmax 4in 1 3.1A Car Dual USB Charger LED Voltage Current Meter Tester / Temperature Adapter Black - Image 4](http://ecx.images-amazon.com/images/I/41uOmsC2j9L.jpg)
![Ownmax 4in 1 3.1A Car Dual USB Charger LED Voltage Current Meter Tester / Temperature Adapter Black - Image 5](http://ecx.images-amazon.com/images/I/41wU5ac-JtL.jpg)

---

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**Shop now:** [https://www.desertcart.dk/products/17221405-ownmax-4in-1-3-1a-car-dual-usb-charger-led](https://www.desertcart.dk/products/17221405-ownmax-4in-1-3-1a-car-dual-usb-charger-led)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-01*