{"product_id":"dual-digital-usb-current-voltage-3-9v-0-5a-charging-tester-battery-voltmeter-ammeter-charger-mobile-power-charging","title":"USB Voltage and Current Tester, 3–9V","description":"\u003cp\u003eSee the voltage and current of a suitable USB charging connection with this compact digital tester. It is for users checking low-voltage USB power during a simple setup test.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eView both readings\u003c\/strong\u003e — The display shows voltage and current at the same time.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCheck a charging setup\u003c\/strong\u003e — Place the tester in a compatible USB connection.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCompare suitable cables\u003c\/strong\u003e — Readings can inform a controlled cable comparison.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePack a small test tool\u003c\/strong\u003e — The compact body fits an electronics kit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRead two charging measurements together\u003c\/h2\u003e\u003cp\u003eUse the tester within its stated voltage and current ranges. Compare readings under the same device and charging conditions; the display alone does not establish cable quality or charger safety.\u003c\/p\u003e\u003cp\u003eThis tester is not a mains instrument or a USB-PD trigger. Do not expose it to voltage above its stated range, and check connector compatibility before use.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S24e395862a404bf2a8b66386794aa00aS.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0570897325e24c6a9504b71457eaaeff2.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S54be757c2f7b4f1ba81ea4859a6f1127v.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa117e5351007435d8ea0db9a92f32973P.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sba0d07041faa4fa6903c3438509129c3y.jpg\" slate-data-type=\"image\"\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVoltage range: 3–9V\u003c\/li\u003e\n\u003cli\u003eCurrent range: 0–5A\u003c\/li\u003e\n\u003cli\u003eDisplay: Digital voltage and current\u003c\/li\u003e\n\u003cli\u003eSize: Approximately 60 × 28 × 15 mm\u003c\/li\u003e\n\u003cli\u003ePower: Connected DC USB supply\u003c\/li\u003e\n\u003cli\u003eColour: Black\u003c\/li\u003e\n\u003cli\u003ePackage: One tester\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAdd visible voltage and current readings to a suitable USB test setup.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/spy-shop.com\/collections\/electrical-measuring-tools\"\u003eExplore more electrical \u0026amp; measuring tools\u003c\/a\u003e\u003c\/p\u003e","brand":"Spy-shop.com","offers":[{"title":"black","offer_id":64248256037194,"sku":"1005005973004480-black","price":21.67,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/5980\/2954\/files\/S2ff22770f97a4ab1bd8a69bdb3bc37e4B.webp?v=1793920889","url":"https:\/\/spy-shop.com\/products\/dual-digital-usb-current-voltage-3-9v-0-5a-charging-tester-battery-voltmeter-ammeter-charger-mobile-power-charging","provider":"Spy-shop.com","version":"1.0","type":"link"}