--- product_id: 679151768 title: "YOJOCK USB 3.0 Tester Power Meter 4-30V 0-6.5A USB Voltage and Current Tester Detector, Digital Volmeter Ammeter Power Bank Capacity Tester with IPS Colour Display" brand: "yojock" price: "฿2930" currency: THB in_stock: true url: https://www.desertcart.co.th/products/679151768-yojock-usb-3-0-tester-power-meter-4-30v-0 store_origin: TH region: Thailand --- # 4-30V voltage range 0.96" IPS color display 0-6.5A current measurement YOJOCK USB 3.0 Tester Power Meter 4-30V 0-6.5A USB Voltage and Current Tester Detector, Digital Volmeter Ammeter Power Bank Capacity Tester with IPS Colour Display **Brand:** yojock **Price:** ฿2930 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your tech IQ with YOJOCK’s smart USB tester! ## Quick Answers - **What is this?** YOJOCK USB 3.0 Tester Power Meter 4-30V 0-6.5A USB Voltage and Current Tester Detector, Digital Volmeter Ammeter Power Bank Capacity Tester with IPS Colour Display by yojock - **How much does it cost?** ฿2930 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/679151768-yojock-usb-3-0-tester-power-meter-4-30v-0) ## Best For - yojock enthusiasts ## Why This Product - Trusted yojock brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Compatibility:** Supports QC2.0/3.0, iPhone & Android fast charging protocols—know your charger’s true power. - • **Charger Quality Analysis:** Detect voltage drops to instantly assess charger performance and avoid subpar power sources. - • **Power-Off Data Retention:** Never lose your measurement data with built-in power-off storage for accurate capacity tracking. - • **Crystal-Clear IPS Display:** Vivid 0.96-inch color screen delivers precise, 4-digit accuracy readings at a glance. - • **Real-Time Charging Insights:** Monitor voltage, current, power & capacity live for ultimate device control. ## Overview The YOJOCK USB 3.0 Tester Power Meter is a precision digital voltmeter and ammeter designed for professionals and tech enthusiasts. It measures voltage from 4 to 30V and current up to 6.5A, supports multiple fast-charging protocols, and features a sharp 0.96-inch IPS color display. With power-off data storage and charger quality analysis, it’s the go-to tool for real-time, accurate USB power diagnostics. ## Description YOJOCKUSB 3.0 Tester Power Meter 4-30V 0-6.5A USB Voltage and Current Tester Detector, Digital Volmeter Ammeter Power Bank Capacity Tester with IPS Colour Display ## Features - Upgrade USB Tester: Real-time detection of the device Charging Status, Voltage, Current, Power, Capacity and other indicators. YOJOCK Testers are widely used in the quality control of 3C digital environmental products and are the first choice for digital gamers and electronic enthusiasts. - Wide Applicability: This USB Power Meter Measuring voltage: 4V-30V; measuring current: 0-6.5A. Support QC2.0, QC3.0, iPhone 2.4A/2.1A/1A/0.5A, Android DCP/AFC, FCP(9V/2A)/SCP(4.5V/5A), Super VOOC quick charging protocol identification, know the charging status of the phone. Support high current testing, USB3.0 interface support mobile hard drive and U disk testing. - Power Closed Storage, Measurement Data Guarantee: This USB Tester has a power-off storage function that can store capacity and power data when the mobile power supply is off, convenient for subsequent viewing, and makes it easy to measure capacity. and power of mobile power supply. - IPS LCD Display: Uses 0.96 inch IPS high-definition color LCD screen to display the device's charging status, voltage, current, capacity, energy, power, equivalent impedance, temperature and other indicators at a glance. 4-bit accuracy for more accurate measurements. - Measure the Quality of the Charger: Connect the same load, compare the burden and load. The larger the voltage drop, the worse the charger capacity, the worse the quality. The voltage drop is not obvious or the voltage is increasing, the better the load capacity of this charger, the better the quality. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B96X5Z1S | | Best Sellers Rank | #596,835 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #969 in Multi Testers | | Brand | YOJOCK | | Color | black | | Date First Available | August 22, 2022 | | Item Weight | 1.41 ounces | | Item model number | YJ-USB01 | | Manufacturer | YOJOCK | | Maximum Operating Voltage | 30 Volts | | Measurement Type | Ammeter, Multimeter | | Min. Operating Voltage | 4 Volts | | Package Dimensions | 9.13 x 7.01 x 0.55 inches | | Power Source | Battery Powered | | Style | Compact | ## Product Details - **Brand:** YOJOCK - **Power source:** Battery Powered - **Style:** Modern - **Item weight:** 40 Grams - **Manufacturer:** YOJOCK ## Images ![YOJOCK USB 3.0 Tester Power Meter 4-30V 0-6.5A USB Voltage and Current Tester Detector, Digital Volmeter Ammeter Power Bank Capacity Tester with IPS Colour Display - Image 1](https://m.media-amazon.com/images/I/51SGiCKB35L.jpg) --- ## 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.co.th/products/679151768-yojock-usb-3-0-tester-power-meter-4-30v-0](https://www.desertcart.co.th/products/679151768-yojock-usb-3-0-tester-power-meter-4-30v-0) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-23*