---
product_id: 36598154
title: "SEEBOY JUWEI J7-T DC3V-30V 5V/9V/12V/20V/30V QC2/3.0 Quick Charge Multi Function USB Security Monitor Voltage And Current Detection Table Capacity Tester"
brand: "seeboy"
price: "€ 24.95"
currency: EUR
in_stock: false
url: https://www.desertcart.nl/products/36598154-seeboy-juwei-j7-t-dc3v-30v-5v-9v-12v-20v
store_origin: NL
region: Netherlands
---

# SEEBOY JUWEI J7-T DC3V-30V 5V/9V/12V/20V/30V QC2/3.0 Quick Charge Multi Function USB Security Monitor Voltage And Current Detection Table Capacity Tester

**Brand:** seeboy
**Price:** € 24.95
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** SEEBOY JUWEI J7-T DC3V-30V 5V/9V/12V/20V/30V QC2/3.0 Quick Charge Multi Function USB Security Monitor Voltage And Current Detection Table Capacity Tester by seeboy
- **How much does it cost?** € 24.95 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/36598154-seeboy-juwei-j7-t-dc3v-30v-5v-9v-12v-20v)

## Best For

- seeboy enthusiasts

## Why This Product

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

## Description

2016 the new USB capacity detectr All USB products needs to detect Test monitoring/extensive compatibility/superior material  Applicable to of various electronic devices(Phone/Car Charger/Power Bank/Computer/Tablet Computer/Notebook/Charger ect) Feature: 1.USB male-input connected to the charger output port 2.Key-ZERO key,press 3-5 seconds after the screen is cleared 3.USB female-output terminal is connected to the USB port date lines 4.Input voltage display window:3-30V, accurancy:±1% 5.Charging current display window:0-5.1A, accurancy:±1% 6.Battery capacity display window:0-999.99Ah 7.Quantity of electric charge display window:0-999.99Wh 8.Battery power display window 9.Working time display window:0-24h(in seconds) 10.Work time and power displayed after power off memory function   Specification: Brand:JUWEI Size:L65*W22*H8mm Input Voltage:3-30V Output Voltage:3-30V(Voltage Resolution is 0.01V) Input Current:0-5.1A Output Current:0-5.1A(Current Resolution is 0.01A) Accuracy:±1% Line Losss:0.1Ω Weight:60g Package include: 1 x JUWEI J7-T USB Security Monitor

## Features

- Applicable to of various electronic devices(Phone/Car Charger/Power Bank/Computer/Tablet Computer/Notebook/Charger ect)
- 3-30V，Comprehensive profection, covering a wider
- Test monitoring/extensive compatibility/superior material
- Charging current display window:0-5.1A, accurancy:±1%
- Input voltage display window:3-30V, accurancy:±1%

## Images

![SEEBOY JUWEI J7-T DC3V-30V 5V/9V/12V/20V/30V QC2/3.0 Quick Charge Multi Function USB Security Monitor Voltage And Current Detection Table Capacity Tester - Image 1](https://images-na.ssl-images-amazon.com/images/I/413E8-X0ySL.jpg)
![SEEBOY JUWEI J7-T DC3V-30V 5V/9V/12V/20V/30V QC2/3.0 Quick Charge Multi Function USB Security Monitor Voltage And Current Detection Table Capacity Tester - Image 2](https://images-na.ssl-images-amazon.com/images/I/51ciSqoV4KL.jpg)
![SEEBOY JUWEI J7-T DC3V-30V 5V/9V/12V/20V/30V QC2/3.0 Quick Charge Multi Function USB Security Monitor Voltage And Current Detection Table Capacity Tester - Image 3](https://images-na.ssl-images-amazon.com/images/I/41l-%2BTVgLZL.jpg)
![SEEBOY JUWEI J7-T DC3V-30V 5V/9V/12V/20V/30V QC2/3.0 Quick Charge Multi Function USB Security Monitor Voltage And Current Detection Table Capacity Tester - Image 4](https://images-na.ssl-images-amazon.com/images/I/41iIdXgYDyL.jpg)

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**Shop now:** [https://www.desertcart.nl/products/36598154-seeboy-juwei-j7-t-dc3v-30v-5v-9v-12v-20v](https://www.desertcart.nl/products/36598154-seeboy-juwei-j7-t-dc3v-30v-5v-9v-12v-20v)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-25*