---
product_id: 129017462
title: "DollaTek UM25C USB Voltmeter, Bluetooth Type C USB Tester Meter USB Voltage Meter and Current Tester, 1.44inch 5A Color LCD Display Power Tester Multimeter, QC 2.0 3.0"
brand: "dollatek"
price: "€ 62.73"
currency: EUR
in_stock: true
reviews_count: 7
category: "Dolla Tek"
url: https://www.desertcart.at/products/129017462-dollatek-um25c-usb-voltmeter-bluetooth-type-c-usb-tester-meter
store_origin: AT
region: Austria
---

# 1.44-inch color LCD display Bluetooth app & PC connectivity 5A high current support DollaTek UM25C USB Voltmeter, Bluetooth Type C USB Tester Meter USB Voltage Meter and Current Tester, 1.44inch 5A Color LCD Display Power Tester Multimeter, QC 2.0 3.0

**Brand:** dollatek
**Price:** € 62.73
**Availability:** ✅ In Stock

## Summary

> ⚡ Empower Your Tech IQ with Real-Time Voltage Mastery!

## Quick Answers

- **What is this?** DollaTek UM25C USB Voltmeter, Bluetooth Type C USB Tester Meter USB Voltage Meter and Current Tester, 1.44inch 5A Color LCD Display Power Tester Multimeter, QC 2.0 3.0 by dollatek
- **How much does it cost?** € 62.73 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/129017462-dollatek-um25c-usb-voltmeter-bluetooth-type-c-usb-tester-meter)

## Best For

- dollatek enthusiasts

## Why This Product

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

## Key Features

- • **Robust & Reliable Build:** Gold-plated USB connectors and widened power cord ensure stable 5A current flow and long-lasting durability.
- • **Precision Power Insights:** Accurately measures voltage (4-24V) and current (up to 5A) with ultra-fine resolution for pro-grade diagnostics.
- • **Multilingual & User-Friendly:** Supports 14 languages with intuitive interface and auto screen-off to save power—engineered for global professionals.
- • **Seamless Bluetooth Integration:** Wirelessly sync data to your Android device or PC for real-time monitoring and detailed graphing—never miss a watt.
- • **Universal Quick Charge Recognition:** Auto-detects QC 2.0/3.0, Apple, Samsung, and Android fast charge protocols to optimize your charging workflow.

## Overview

The DollaTek UM25C is a compact, Bluetooth-enabled USB voltmeter and current tester featuring a vibrant 1.44-inch color LCD. It supports precise measurements up to 24V and 5A, recognizes multiple fast charge standards, and offers seamless data logging via Android app or PC software. Designed for tech-savvy professionals, it combines robust hardware with multilingual support and advanced load detection, making it an essential tool for monitoring and optimizing USB power delivery across devices.

## Description

Technical Parameter:Model :UM25CDisplay screen: 1.44 Inch color LCD displayVoltage Current measurement range: 4-24.000V, 0-5.0000AVoltage Current measurement resolution: 0.001V, 0.0001ACapacity accumulation Energy sccumulation rannge: 0-99999mAh, 0-99999mWhVoltage Current measurement accuracy: ±(0.5‰+2digits), ±(1‰+4digits)Time measuremen range: 0-99h59min59sLoad impedance range: 0.8Ω-9999.9ΩTemperature range: -10℃～100℃/0℉～200℉ (±3℃/±6℉)Screen brightness setting: 0-5 levelsAuto screen off time: 0-9minsVoltage Current graphing range: 0-24.000V, 0-5.0000ARefresh rate: 2HzQuick charge recognition mode: QC2.0、QC3.0、APPLE 2.4A/2.1A/ 1A/0.5A、Android DCP、SAMSUNGSize: 71.2mmx30.5mmx12.4mmNote:1.UM25C is conmmunication version by Bluetooth connection.2. PC software support PC window (Win 7 and above) and Phone Android (Android 5.0 and above, support 14 kinds language, chinese, english and Russia .... )3, User manual, PC software installation instruction and PC software and Android APP downloadlink: forum.avhy.com4, For Android APP :A: APP only support android 5.0 and above . B: Allow APP to do in the background, not be cleaned.C: allow APP self-starting.D: Allow APP stay after screen locked, not be cleaned.E: for desktop, when you use the bluetooth adapter to make bluetooth connection, Please don’t use the adapter own driver, and use the windows system bluetooth driver, otherwise the module can’t make SSP series port communication.If you have installed the adaptor driver, you can uninstall it and unplug the adaptor, then plug in again, the system will install it automatically.USB Load Module Feature:Work Voltage Current: 5V, 1A/2APower: 10W-20WResistance: 5 Ohm -2.5 Ohm SwithcablePackage List:1 x USB Tester

Review: Easy to use, very handy device - Very handy device. You can see capacity of powerbanks by how much charge they take, and the Bluetooth means you can log/graph anything on the phone app. Copes with USB-A and USB-C as well
Review: Software iffy - Unit ok but software won't export excl file, it just fails no matter how many times you reinstall it!

## Features

- Application in varieties of test: PC/Laptop/Desktop Computer/Mobile Phone/Power Bank/Charger/Discharge Load/Car Charger/Cable Impedance Measurement.
- Bluetooth connection, you can use mobile phone APP or PC control the tester PC Software Support PC Win 7 and Above, Phone Only Support Android(Android 5.0 and above). Support 14 Kinds Language(English, German, Polish, Chinese and so on ). Product comes with Chinese and English help interface.
- It can measure input voltage, current, power, capacity, energy. Load access detection function, after the tester screen puts off, plug in the load and the screen will light up automatically.
- Support Micro USB or Type C Connector and fast charge mode recognition, it can recognize QC 2.0/3.0, iPhone 2.4A/2.1 A/1A/0.5A, Android DCP. Measure wire resistance by differential pressure method. Gold-plated USB contacts and upgraded USB male female connector. Widened Power Cord make it own 5A high current.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07PG759KX |
| Best Sellers Rank | 218,049 in DIY & Tools ( See Top 100 in DIY & Tools ) 605 in Multi Testers |
| Brand | DollaTek |
| Colour | UM25C |
| Compatible Devices | PC / Laptop / Desktop / Mobile Phone |
| Country Of Origin | China |
| Customer Reviews | 4.4 out of 5 stars 90 Reviews |
| Item Weight | 60 Grams |
| Item weight | 60 Grams |
| Manufacturer | DollaTek |
| Manufacturer Part Number | DZ1297 |
| Measurement Type | Multimeter |
| Min. Operating voltage | 4 Volts |
| Minimum Operating Voltage | 4 Volts |
| Model Number | UM25C |
| Power Source | Corded Electric |
| Power source | Corded Electric |
| Specification Met | CE, FCC |
| Style | Modern |
| Style Name | Modern |
| UPC | 725835036603 |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 200 Degrees Fahrenheit |

## Product Details

- **Brand:** DollaTek
- **Power source:** Corded Electric
- **Style:** Modern
- **Colour:** UM25C
- **Item weight:** 60 Grams

## Images

![DollaTek UM25C USB Voltmeter, Bluetooth Type C USB Tester Meter USB Voltage Meter and Current Tester, 1.44inch 5A Color LCD Display Power Tester Multimeter, QC 2.0 3.0 - Image 1](https://m.media-amazon.com/images/I/616xY0iXq2L.jpg)
![DollaTek UM25C USB Voltmeter, Bluetooth Type C USB Tester Meter USB Voltage Meter and Current Tester, 1.44inch 5A Color LCD Display Power Tester Multimeter, QC 2.0 3.0 - Image 2](https://m.media-amazon.com/images/I/71MF72W4q6L.jpg)
![DollaTek UM25C USB Voltmeter, Bluetooth Type C USB Tester Meter USB Voltage Meter and Current Tester, 1.44inch 5A Color LCD Display Power Tester Multimeter, QC 2.0 3.0 - Image 3](https://m.media-amazon.com/images/I/714J8Jh-1mL.jpg)
![DollaTek UM25C USB Voltmeter, Bluetooth Type C USB Tester Meter USB Voltage Meter and Current Tester, 1.44inch 5A Color LCD Display Power Tester Multimeter, QC 2.0 3.0 - Image 4](https://m.media-amazon.com/images/I/61SnYbfYl5L.jpg)
![DollaTek UM25C USB Voltmeter, Bluetooth Type C USB Tester Meter USB Voltage Meter and Current Tester, 1.44inch 5A Color LCD Display Power Tester Multimeter, QC 2.0 3.0 - Image 5](https://m.media-amazon.com/images/I/61I+Ac10lKL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to use, very handy device
*by D***T on 2 August 2025*

Very handy device. You can see capacity of powerbanks by how much charge they take, and the Bluetooth means you can log/graph anything on the phone app. Copes with USB-A and USB-C as well

### ⭐⭐⭐⭐ Software iffy
*by M***N on 6 June 2022*

Unit ok but software won't export excl file, it just fails no matter how many times you reinstall it!

### ⭐⭐⭐⭐⭐ Testeur USB performant avec écran lumineux et fonctionnalités pratiques
*by R***Z on 30 September 2024*

**𝐋𝐈𝐕𝐑𝐀𝐈𝐒𝐎𝐍** : Livraison rapide et bien emballée, aucun problème à signaler. **𝐀𝐕𝐈𝐒 𝐆𝐋𝐎𝐁𝐀𝐋** : J'ai acheté ce testeur en septembre 2021, et il fonctionne toujours parfaitement. Il est très utile pour tester divers adaptateurs secteur et câbles. Je l'utilise aussi pour suivre la charge de certains appareils qui peuvent prendre du temps à se charger. L'écran inclus est de très bonne qualité : lumineux et facile à lire. Un autre point positif est la possibilité de faire pivoter l'affichage en fonction de la position du testeur, un vrai plus en termes de confort d'utilisation. De plus, il peut se connecter via Bluetooth, ce qui permet de surveiller les données de charge en temps réel depuis son téléphone. L'installation du logiciel est simple, et la configuration se fait sans difficulté. Un excellent produit que je recommande à 100 % ! **𝐀𝐕𝐀𝐍𝐓𝐀𝐆𝐄𝐒** : - ✅ Écran lumineux et de qualité - ✅ Rotation de l'écran configurable - ✅ Suivi en temps réel via Bluetooth - ✅ Simple à installer et à configurer **𝐈𝐍𝐂𝐎𝐍𝐕𝐄𝐍𝐈𝐄𝐍𝐓𝐒** : - ⛔ Aucun inconvénient constaté **𝐍𝐎𝐓𝐄𝐒** : - Livraison : ★★★★★ 5.0/5 - Qualité : ★★★★★ 5.0/5 - Facilité Utilisation : ★★★★★ 5.0/5 - Application : ★★★★✦ 4.5/5 - Recommandation : ★★★★★ 5.0/5 **𝐂𝐎𝐍𝐂𝐋𝐔𝐒𝐈𝐎𝐍** : Ce testeur USB est un outil indispensable pour ceux qui souhaitent surveiller la qualité de leurs câbles et adaptateurs. Entre son écran de qualité, ses options de configuration et sa connectivité Bluetooth, il offre un excellent rapport qualité-prix. Très satisfait de cet achat !

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-07-22*