{"product_id":"usb-power-tester-kws-v21-usb-tester-voltmeter-ammeter-power-capacity-mobile-power-testing-tool-for-wall-chargers","title":"USB Power Tester KWS-V21, USB Tester Voltmeter Ammeter Power\/Capacity\/Mobile Power Testing Tool for Wall Chargers","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eUSB Power Tester KWS-V21 USB Tester Voltmeter Ammeter Power\/Capacity\/Mobile Power Testing Tool for Wall Chargers\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eUSB Power Tester KWS-V21, USB Tester Voltmeter Ammeter Power\/Capacity\/Mobile Power Testing Tool for Wall Chargers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSpecification: Item Type: USB power tester Model: KWS-V21 Voltage: Input \/ Output Voltage: 3.5-20v, Voltage Resolution: 0.01V Current: Input \/ Output Current: 0-3.3A, Current Resolution: 0.01A Accuracy: ±1% Line Loss: Aabout 0.1O IN: Input is connected to the charger's output port. RESET: Reset button, press 3-5 seconds, the screen will be cleared. OUT: Output terminal is connected to the data line USB port. Input Voltage Display Window: 3.5-20V Charging Current Display Window: 0-3.3A(accuracy + 1%) Battery Capacity Display Window: 0-99999mAh Working Time Display Window: 0-99min working time and empty display with memory function after power off Voltage Range: 3.5-20V Maximum Current: 3.3A Resolution: 0.01V, 0.01A, 1mAh Package List: 1 x USB Power Tester\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Product Brief: With reset button, press 3-5 seconds can make that the screen will be cleared.\u003c\/li\u003e\n\u003cli\u003e✅ Advantage: Compatible with fast-charger compatible, power tester can work under up to 20V and it does not interfere with fast negotiation.\u003c\/li\u003e\n\u003cli\u003e✅ Great Performance: Empty display with memory function after power off, power meter is with high performance according to strict rule.\u003c\/li\u003e\n\u003cli\u003e✅ Practical Tool: Can measure USB charging voltage, current and discharge capacity over time.\u003c\/li\u003e\n\u003cli\u003e✅ Extensive Usage: Can be used to check the performance of USB cables, wall chargers, car chargers and power banks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping \u0026amp; Guarantees\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ FREE standard shipping within the United States (3–6 business days)\u003c\/li\u003e\n\u003cli\u003e✅ 100% money-back guarantee for lost or damaged items\u003c\/li\u003e\n\u003cli\u003e✅ Secure checkout with encrypted payment processing\u003c\/li\u003e\n\u003cli\u003e✅ Shipping via UPS, FedEx, and USPS\u003c\/li\u003e\n\u003cli\u003e✅ Ships to lower 48 states only (no PO Boxes \/ APO \/ FPO)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReturns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ 30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e✅ Items must be unused and in original packaging\u003c\/li\u003e\n\u003cli\u003e✅ Full refund if item is not delivered\u003c\/li\u003e\n\u003cli\u003e✅ Guaranteed delivery within 6–7 business days\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePayment Methods\u003c\/h3\u003e\n\u003cp\u003e✅ Credit Cards, PayPal, Shop Pay, Apple Pay, Google Pay, Amazon Pay, Meta Pay\u003c\/p\u003e\n\u003ch3\u003eCustomer Support\u003c\/h3\u003e\n\u003cp style=\"text-align:left;\"\u003e✅ Questions? Contact us at \u003cstrong\u003eSupport@GiftAbay.com\u003c\/strong\u003e\u003cbr\u003eWe respond within 24 hours on business days.\u003c\/p\u003e\n\u003cdiv class=\"seo-data\"\u003e\n\u003cp\u003e\u003cstrong\u003eSEO Title:\u003c\/strong\u003e USB Power Tester KWS-V21 USB Tester Voltmeter Ammeter Power\/Capacity\/Mobile Power Testing Tool for Wall Chargers | Walfront\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKeywords:\u003c\/strong\u003e power, tester, kwsv21, voltmeter, ammeter, powercapacitymobile, walfront, electronics, householdbatteries, chargersaccessories, batterytesters\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Electronics\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSubcategories:\u003c\/strong\u003e Household Batteries, Chargers \u0026amp; Accessories, Battery Testers\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Walfront","offers":[{"title":"Default Title","offer_id":47647104532700,"sku":"TGABL1317927","price":17.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/2816\/8412\/files\/51rF65Hs09L._AC_SL1001.jpg?v=1772615012","url":"https:\/\/tech.giftabay.com\/products\/usb-power-tester-kws-v21-usb-tester-voltmeter-ammeter-power-capacity-mobile-power-testing-tool-for-wall-chargers","provider":"Tech.GiftAbay","version":"1.0","type":"link"}