{"product_id":"konnwei-kw371-6v-12v-24v-battery-tester-4-5pin-relay-tester-2-in-1-battery-tester-automotive-with-cranking-charging-load-test-4-5-pin-relay-tester-cca-10-2000-no-batteries-required-size-7-68-3-74-2-17-inch","title":"KONNWEI KW371 6V\/12V\/24V Battery Tester \u0026 4\/5Pin Relay Tester 2 in 1 | battery tester automotive with cranking \u0026 charging load test, 4\/5-pin relay tester, CCA 10-2000, No batteries required. - size: 7.68*3.74*2.17 inch","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e【2-in-1 Professional Diagnostic Tool】Battery \u0026amp; Relay Testing - Not just a battery tester. The KONNWEI KW371 integrates an advanced 12V\/24V relay tester capable of diagnosing 4-pin and 5-pin automotive relays. Quickly identifies coil failures and contact wear without disassembling the entire fuse box—a must-have for mechanics and advanced DIYers.\u003c\/li\u003e\n\u003cli\u003e【Wide Compatibility for 6V\/12V\/24V Batteries】 - Unlike testers limited to 12V, the KW371 covers 6V (Motorcycle), 12V (Car\/SUV), and 24V (Truck\/Boat) systems. It accurately analyzes Lead-Acid, AGM Flat\/Spiral, Gel, EFB, and Lithium batteries with a 10-2000 CCA and 5-220 Ah range. Supports multiple global standards including CCA, JIS, EN, DIN, SAE, IEC, and GB.\u003c\/li\u003e\n\u003cli\u003e【Cranking \u0026amp; Charging System Analyzer】Know Your Vehicle‘s Full Health - Perform 3 in-depth tests: Battery Health (SOH, SOC, Internal Resistance, Voltage), Cranking Test (Min\/Max starting voltage \u0026amp; milliseconds), and Charging Test (Loaded\/Unloaded ripple detection). Instantly determines if the issue is a dead battery, faulty alternator, or failing starter.\u003c\/li\u003e\n\u003cli\u003e【User-Friendly with Clear Visual Alerts】 - Features a graphical waveform display for real-time voltage monitoring. Delivers straightforward results: Good Battery, Replace, Bad Cell, or Charge Retest. Polarity reverse protection ensures safety for beginners. Includes 18 language options (English, Spanish, French, etc.) for global usability.\u003c\/li\u003e\n\u003cli\u003e【Rugged \u0026amp; Ready for the Field】No Batteries Needed - Powered directly by the vehicle‘s battery via durable alligator clips. Supports USB connection to PC for software updates and report printing (Windows supported). Designed for mechanics, fleet managers, and RV\/boat owners who demand reliable diagnostics on the go.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e KONNWEI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e Corded Electric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e For Car\/ Truck\/ Motorcycle\/ Boat\/ AVT\/ Yacht\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Weight:\u003c\/strong\u003e 0.27 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KONNWEI","offers":[{"title":"Default Title","offer_id":40836400513153,"sku":"B0H6FBW8TV-size-7-68-3-74-2-17-inch","price":116.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/5754\/0993\/files\/51Yrc9JPj3L.jpg?v=1784983592","url":"https:\/\/garagenest.us\/products\/konnwei-kw371-6v-12v-24v-battery-tester-4-5pin-relay-tester-2-in-1-battery-tester-automotive-with-cranking-charging-load-test-4-5-pin-relay-tester-cca-10-2000-no-batteries-required-size-7-68-3-74-2-17-inch","provider":"GarageNest","version":"1.0","type":"link"}