{"product_id":"konnwei-kw331-battery-tester-6v-12v-24v-with-cloud-report-2-8in-lcd-cca-alternator-diagnostics","title":"KONNWEI KW331 Battery Tester 6V\/12V\/24V with Cloud Report, 2.8in LCD \u0026 CCA\/Alternator Diagnostics","description":"\u003cp\u003e\u003cstrong\u003eThe KONNWEI KW331 is a handheld 6V\/12V\/24V automotive battery and charging system tester that delivers quick, accurate state-of-charge and state-of-health diagnostics with instant cloud-reporting.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for professional garages and DIY mechanics alike, the KW331 combines a clear 2.8\" LCD, robust build materials, and an intelligent testing chip to evaluate battery voltage, charge level, cranking capacity (CCA), and alternator performance. With high-accuracy measurements and built-in safety protections, it simplifies routine maintenance, pre-trip checks, and customer-facing service documentation.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the KW331 determine whether a battery needs replacement?\u003c\/h3\u003e\n\u003cp\u003eThe device calculates both state-of-charge (SOC) and state-of-health (SOH) by measuring voltage, internal resistance, and comparing readings to the battery’s rated CCA and type. It then presents an assessment so you can decide whether to charge, repair, or replace the battery.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeasures voltage and internal resistance for precise SOH\/SOC estimates\u003c\/li\u003e\n  \u003cli\u003eUses user-entered battery type and CCA for tailored results\u003c\/li\u003e\n  \u003cli\u003eDisplays an easy-to-read pass\/fail or health percentage on the LCD\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety features protect me and my vehicle during testing?\u003c\/h3\u003e\n\u003cp\u003eThe KW331 includes a 4-in-1 protection system that guards against common electrical hazards during battery diagnostics. These safeguards reduce risk to both the user and the tester while preserving the battery and vehicle electronics.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReverse polarity protection to prevent damage from incorrect clamps\u003c\/li\u003e\n  \u003cli\u003eShort-circuit and overcurrent cutoffs to stop dangerous currents\u003c\/li\u003e\n  \u003cli\u003eOvervoltage protection to shield sensitive circuitry during charging checks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do cloud reports and printing work without an app?\u003c\/h3\u003e\n\u003cp\u003eAfter a test, the KW331 generates a QR code on-screen. Scan it with any smartphone camera to open the report in a web browser—no app required. From there you can save data, share links, or print results to customer labels or standard printers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstant QR code for browser viewing and downloading\u003c\/li\u003e\n  \u003cli\u003ePre-formatted labels and printable reports for service records\u003c\/li\u003e\n  \u003cli\u003eShareable link makes customer communication and social sharing simple\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat battery types and vehicles are supported by this tester?\u003c\/h3\u003e\n\u003cp\u003eThe KW331 supports common 6V, 12V, and 24V lead-acid battery types used across cars, light trucks, motorcycles, and commercial vehicles. Enter the correct battery standard and CCA value for accurate diagnostics.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with 6V, 12V, and 24V lead-acid battery systems\u003c\/li\u003e\n  \u003cli\u003eWorks for passenger cars, motorcycles, vans, and many commercial vehicles\u003c\/li\u003e\n  \u003cli\u003eAdjustable settings for battery standard and rated CCA ensure precise results\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The KONNWEI KW331 is built for automotive professionals, independent mechanics, fleet managers, and car owners who want dependable, fast battery and charging system diagnostics paired with shareable records. It fits workshop environments where repeatable accuracy, safety protections, and clear documentation speed service and build customer trust.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the KW331 require an app to view results?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No app is needed; scan the on-screen QR code to open results in any smartphone browser.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which battery voltages can the KW331 test?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It supports 6V, 12V, and 24V lead-acid batteries for cars, motorcycles, and many commercial vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KONNWEI","offers":[{"title":"Default Title","offer_id":67589782831289,"sku":"B0FY31GH67","price":83.81,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/konnwei-kw331-front-display.jpg?v=1790531723","url":"https:\/\/redleafauto.ca\/products\/konnwei-kw331-battery-tester-6v-12v-24v-with-cloud-report-2-8in-lcd-cca-alternator-diagnostics","provider":"Redleaf Auto","version":"1.0","type":"link"}