---
product_id: 59553651
title: "USB Battery Tester, KEWEISI 3V-9V USB Charger Power Detector Battery Capacity Tester Voltmeter"
brand: "tenlacum"
price: "126 Lei"
currency: RON
in_stock: true
reviews_count: 2
url: https://www.desertcart.ro/products/59553651-usb-battery-tester-keweisi-3v-9v-usb-charger-power-detector
store_origin: RO
region: Romania
---

# Plug & play Compact design 3V-9V range USB Battery Tester, KEWEISI 3V-9V USB Charger Power Detector Battery Capacity Tester Voltmeter

**Brand:** tenlacum
**Price:** 126 Lei
**Availability:** ✅ In Stock

## Summary

> 🔍 Power Up Your Knowledge!

## Quick Answers

- **What is this?** USB Battery Tester, KEWEISI 3V-9V USB Charger Power Detector Battery Capacity Tester Voltmeter by tenlacum
- **How much does it cost?** 126 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/59553651-usb-battery-tester-keweisi-3v-9v-usb-charger-power-detector)

## Best For

- tenlacum enthusiasts

## Why This Product

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

## Key Features

- • **Portable Power:** Compact size makes it easy to carry anywhere.
- • **Real-Time Monitoring:** Track voltage and current while devices are in use.
- • **User-Friendly Design:** No extra power supply needed; just plug and play.
- • **Measure with Precision:** Easily check the output voltage of any USB device.
- • **Universal Compatibility:** Works with all USB chargers—PC, home, or car.

## Overview

The KEWEISI USB Battery Tester is a versatile tool designed to measure the voltage and current of USB-powered devices ranging from 3V to 9V. Its compact, user-friendly design allows for easy portability and immediate use without the need for an external power source. Perfect for anyone looking to ensure their devices are operating efficiently, this tester is compatible with a wide range of USB chargers and electronic products.

## Description

USB Battery Tester, KEWEISI 3V-9V USB Charger Power Detector Battery Capacity Tester Voltmeter

## Features

- It can measure empty USB powered devices and easy to use and convenient.
- Compact and easy to carry, no extra power supply, plug and play.
- It can easily measure the output voltage of the USB port and the device under current operating mode or charging voltage.
- Detect any USB charger such as PC USB, home charger, car charger.
- Wide range of applications, any phone, any electronic product.

## Images

![USB Battery Tester, KEWEISI 3V-9V USB Charger Power Detector Battery Capacity Tester Voltmeter - Image 1](https://m.media-amazon.com/images/I/61cgaemhCnL.jpg)
![USB Battery Tester, KEWEISI 3V-9V USB Charger Power Detector Battery Capacity Tester Voltmeter - Image 2](https://m.media-amazon.com/images/I/61S1arVqBfL.jpg)
![USB Battery Tester, KEWEISI 3V-9V USB Charger Power Detector Battery Capacity Tester Voltmeter - Image 3](https://m.media-amazon.com/images/I/61Kkff5bBrL.jpg)
![USB Battery Tester, KEWEISI 3V-9V USB Charger Power Detector Battery Capacity Tester Voltmeter - Image 4](https://m.media-amazon.com/images/I/61QF-ZfukoL.jpg)
![USB Battery Tester, KEWEISI 3V-9V USB Charger Power Detector Battery Capacity Tester Voltmeter - Image 5](https://m.media-amazon.com/images/I/51pqZ7s2phL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
    Ottimo
  
  

*by V***R on Reviewed in Italy on 3 September 2019*

fa il suo lavoro ottimo anche per vedere se i cavi so o di buona qualità a volte si sottovalutano e si tende a dare la colpa all'alimentatore

### ⭐⭐⭐ 







  
    Poco utile
  
  

*by G***U on Reviewed in Italy on 4 December 2018*

Ottimo prodotto, ma alla fine poco utile,si usa raramente

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ro/products/59553651-usb-battery-tester-keweisi-3v-9v-usb-charger-power-detector](https://www.desertcart.ro/products/59553651-usb-battery-tester-keweisi-3v-9v-usb-charger-power-detector)

---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-22*