{"product_id":"konnwei-kw681-obd2-batteritestare","title":"KONNWEI KW681 – OBD2 Car Scanner + Battery Tester (2-in-1) with color screen, I\/M hotkey, CCA\/SOC\/SOH \u0026 starting\/charging test","description":"\u003c!-- READY HTML FOR SHOPIFY – KONNWEI KW681 \/ felkodslasare.se --\u003e\n\u003csection itemtype=\"https:\/\/schema.org\/Product\" itemscope=\"\" id=\"konnwei-kw681\"\u003e\u003cmeta itemprop=\"name\" content=\"KONNWEI KW681 – OBD2 Car Scanner + Battery Tester (2-in-1)\"\u003e \u003cmeta itemprop=\"brand\" content=\"KONNWEI\"\u003e \u003cmeta itemprop=\"sku\" content=\"KW681\"\u003e \u003cmeta itemprop=\"mpn\" content=\"KW681\"\u003e \u003cmeta itemprop=\"category\" content=\"OBD2, Car Scanner, Battery Tester, EOBD, CAN, Tools\"\u003e \u003clink itemprop=\"url\" href=\"https:\/\/www.felkodslasare.se\/\"\u003e\n\u003ch2\u003eKONNWEI KW681 – OBD2 Car Scanner + Battery Tester (2-in-1) with Color Screen, I\/M Shortcut Key, CCA\/SOC\/SOH \u0026amp; Cranking\/Charging Test\u003c\/h2\u003e\n\u003c!-- SHORT VERSION (200–300 words) --\u003e\n\u003cdiv itemprop=\"description\" id=\"kortversion\"\u003e\n\u003ch2\u003eShort Version – Quick Overview\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eKONNWEI KW681\u003c\/strong\u003e is a \u003cstrong\u003euniversal OBD2\/EOBD car scanner\u003c\/strong\u003e and \u003cstrong\u003e12V battery tester\u003c\/strong\u003e in one unit. It reads and clears engine-related fault codes (MIL), displays \u003cstrong\u003elive data\u003c\/strong\u003e in both text and graph, and supports \u003cstrong\u003eO2 sensor test\u003c\/strong\u003e, \u003cstrong\u003eEVAP test\u003c\/strong\u003e, and \u003cstrong\u003eMode 6\u003c\/strong\u003e on-board monitoring. With the patented \u003cstrong\u003eOne-Click I\/M Readiness\u003c\/strong\u003e, you get immediate inspection\/smog check control.\u003c\/p\u003e\n\u003cp\u003eAs a \u003cstrong\u003ebattery tester\u003c\/strong\u003e, the KW681 measures \u003cstrong\u003evoltage\u003c\/strong\u003e, \u003cstrong\u003einternal resistance\u003c\/strong\u003e, \u003cstrong\u003eCCA\u003c\/strong\u003e, \u003cstrong\u003eSOC\u003c\/strong\u003e, and \u003cstrong\u003eSOH\u003c\/strong\u003e, and performs both \u003cstrong\u003ecranking test\u003c\/strong\u003e (start) and \u003cstrong\u003echarging test\u003c\/strong\u003e (alternator). Results are clearly presented on a \u003cstrong\u003eTFT color screen\u003c\/strong\u003e – including \u003cstrong\u003ereal-time waveform\u003c\/strong\u003e for battery voltage. Support is available for lead-acid, AGM (flat\/spiral), and GEL (as well as EFB) batteries, according to standards such as \u003cem\u003eCCA, EN, DIN, JIS, IEC\u003c\/em\u003e, among others.\u003c\/p\u003e\n\u003cp\u003eThe KW681 works on \u003cstrong\u003eall OBD2-compliant gasoline and diesel cars from 1996 onwards\u003c\/strong\u003e and is equally useful for \u003cstrong\u003eDIYers\u003c\/strong\u003e as for \u003cstrong\u003eworkshops\u003c\/strong\u003e. No internal power source is needed – the unit is powered by the car\/battery. Do you want to supplement with more OBD tools? Check out our collection of \u003ca href=\"https:\/\/www.felkodslasare.se\/collections\/felkodslasare-1\"\u003efault code readers\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- TABLE OF CONTENTS --\u003e\u003cnav id=\"innehall\"\u003e\n\u003ch2\u003eContents\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\u003ca href=\"#introduktion\"\u003eIntroduction – What the KW681 is and Does\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#specifikationer\"\u003eSpecifications (Bullet List)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#funktioner\"\u003eFeatures \u0026amp; Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#fordelar\"\u003eAdvantages – Why Choose the KW681?\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#kompatibilitet\"\u003eCompatibility \u0026amp; Protocols\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#manual\"\u003eManual \/ Installation \u0026amp; User Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tolkning\"\u003eInterpretation of Battery Test \u0026amp; Troubleshooting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tips\"\u003eTips \u0026amp; Best Practices\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eFrequently Asked Questions (FAQ)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#forpackning\"\u003ePackage Contents\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#notiser\"\u003eImportant Notes \u0026amp; Disclaimer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#seo\"\u003eSEO Keywords (Hidden)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#sammanfattning\"\u003eSummary\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/nav\u003e\u003c!-- INTRODUCTION --\u003e\n\u003csection id=\"introduktion\"\u003e\n\u003ch2\u003eIntroduction – What the KW681 is and Does\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eKONNWEI KW681\u003c\/strong\u003e combines \u003cstrong\u003eOBD2 diagnostics for engine\/emissions\u003c\/strong\u003e with an \u003cstrong\u003eadvanced 12V battery analysis\u003c\/strong\u003e. The OBD part reads\/clears fault codes (P0\/P1\/U0\/U1), displays \u003cstrong\u003efreeze frame\u003c\/strong\u003e, \u003cstrong\u003elive data\u003c\/strong\u003e in curves\/tables, and supports \u003cstrong\u003eMode 6\u003c\/strong\u003e, \u003cstrong\u003eO2 sensor test\u003c\/strong\u003e, and \u003cstrong\u003eEVAP test\u003c\/strong\u003e. \u003cem\u003eI\/M Readiness\u003c\/em\u003e with LED\/buzzer helps you quickly check if the car is ready for emissions testing.\u003c\/p\u003e\n\u003cp\u003eThe battery tester is based on leading \u003cstrong\u003econductance technology\u003c\/strong\u003e and provides \u003cstrong\u003eCCA\u003c\/strong\u003e, \u003cstrong\u003eSOC\u003c\/strong\u003e, \u003cstrong\u003eSOH\u003c\/strong\u003e, \u003cstrong\u003einternal resistance\u003c\/strong\u003e, as well as separate \u003cstrong\u003ecranking tests\u003c\/strong\u003e and \u003cstrong\u003echarging tests\u003c\/strong\u003e. Real-time \u003cstrong\u003ewaveform\u003c\/strong\u003e for voltage reveals ripple, voltage drop, and instability. All is displayed on a clear \u003cstrong\u003eTFT color screen\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- SPECIFICATIONS --\u003e\n\u003csection id=\"specifikationer\"\u003e\n\u003ch2\u003eSpecifications (Bullet List)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KONNWEI KW681\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e OBD2\/EOBD\/CAN Engine Scanner + 12V Battery Tester\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e TFT HD Color Screen, Built-in Speaker \u0026amp; Status LED\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOBD Functions:\u003c\/strong\u003e Read\/Clear Codes, Live Data (Graph+Text), Freeze Frame, I\/M Readiness (Shortcut Key), Mode 6, O2 Test, EVAP, DTC Dictionary, VIN\/CIN\/CVN, Print Support via PC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Functions:\u003c\/strong\u003e Voltage (8–16V), Internal Resistance (mΩ), CCA, SOC\/SOH, Cranking \u0026amp; Charging Test, Real-time Waveform, Data Log\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Types:\u003c\/strong\u003e Lead-Acid (Wet), AGM (Flat\/Spiral), GEL, EFB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE, GB (typically 100–2000 CCA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Voltage:\u003c\/strong\u003e 12V (OBD2 Vehicles 1996→)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Languages:\u003c\/strong\u003e English, French, German, Dutch, Spanish, Russian, Portuguese, Italian, Polish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePC Support:\u003c\/strong\u003e Windows XP\/7\/8\/10, Online Updates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Via OBD Port or Battery Clamps (no internal battery operation required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Red with Protective Rubber Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, FCC, RoHS, MSDS, REACH\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- FEATURES \u0026 APPLICATIONS --\u003e\n\u003csection id=\"funktioner\"\u003e\n\u003ch2\u003eFeatures \u0026amp; Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOBD2 Engine\/Emissions:\u003c\/strong\u003e MIL cause, fault code clearing, I\/M check, and smooth pre-inspection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLive Data:\u003c\/strong\u003e View sensors in real-time – easily identify faulty sensors or vacuum leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Analysis:\u003c\/strong\u003e SOC\/SOH\/CCA and internal resistance provide facts about the battery's true condition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCranking\/Charging:\u003c\/strong\u003e Voltage drop during start and charging stability under load – catch starter\/alternator faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaveform:\u003c\/strong\u003e Visualize ripple and transients – valuable for intermittent faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReports:\u003c\/strong\u003e Save, playback, and print – perfect for customer dialogue \u0026amp; history.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eSuitable for:\u003c\/em\u003e Home mechanics, enthusiasts, car dealers, workshops, inspection preparation, and seasonal checks (motorcycles\/boats\/ATVs).\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- ADVANTAGES --\u003e\n\u003csection id=\"fordelar\"\u003e\n\u003ch2\u003eAdvantages – Why Choose the KW681?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-in-1:\u003c\/strong\u003e Full OBD2 engine diagnostics and complete battery test in the same robust unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/M Shortcut Button:\u003c\/strong\u003e One press to verify readiness before inspection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro Features:\u003c\/strong\u003e Mode 6, EVAP, O2 test, graphed live data, and waveform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObjective Standards:\u003c\/strong\u003e Assessment against CCA\/EN\/DIN\/JIS etc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Charging Required:\u003c\/strong\u003e Powered via OBD\/battery – always ready.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnline Updates:\u003c\/strong\u003e Lifetime free updates via PC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- COMPATIBILITY --\u003e\n\u003csection id=\"kompatibilitet\"\u003e\n\u003ch2\u003eCompatibility \u0026amp; Protocols\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eOBD2\/EOBD:\u003c\/strong\u003e All gasoline\/diesel cars with OBD2 (USA 1996→, EU typically 2001\/2004→) and CAN\/KWP\/ISO\/SAE. Supported protocols include \u003cem\u003eISO 9141, KWP2000, SAE J1850 (PWM\/VPW), ISO 15765-4 CAN\u003c\/em\u003e. \u003cem\u003eNote:\u003c\/em\u003e JOBD2 (some Japanese) and 24V trucks are not supported.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBattery (12V):\u003c\/strong\u003e Lead-acid (wet), AGM (flat\/spiral), GEL, EFB. Standards: CCA\/BCI\/CA\/MCA\/JIS\/DIN\/IEC\/EN\/SAE\/GB.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- MANUAL \/ INSTALLATION --\u003e\n\u003csection id=\"manual\"\u003e\n\u003ch2\u003eManual \/ Installation \u0026amp; User Guide\u003c\/h2\u003e\n\u003ch3\u003e1) Safe Start-up\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePark safely, put in neutral\/park, apply parking brake.\u003c\/li\u003e\n\u003cli\u003eTurn off engine and all accessories (radio, AC, lights) unless the test requires otherwise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e2) OBD2 Diagnostics – Quick Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eLocate the OBD2 port (often under the dashboard on the driver's side).\u003c\/li\u003e\n\u003cli\u003ePlug in the KW681. The unit starts and is powered via OBD.\u003c\/li\u003e\n\u003cli\u003eSelect language \u0026amp; \u003cstrong\u003eOBDII\u003c\/strong\u003e in the menu.\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eRead Codes\u003c\/strong\u003e to view Diagnostic Trouble Codes (DTCs). Use the built-in DTC dictionary for descriptions.\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eLive Data\u003c\/strong\u003e to view sensor readings – switch between text \u0026amp; graph.\u003c\/li\u003e\n\u003cli\u003eCheck \u003cstrong\u003eI\/M Readiness\u003c\/strong\u003e (shortcut button). Address incomplete monitors before inspection.\u003c\/li\u003e\n\u003cli\u003eAfter repair: \u003cstrong\u003eErase Codes\u003c\/strong\u003e (ignition on, engine off). Then drive the vehicle's drive cycle for monitors to become ready.\u003c\/li\u003e\n\u003cli\u003eSave\/print report via PC if needed.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e3) Battery Test – Quick Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eTurn off engine and accessories. Open hood.\u003c\/li\u003e\n\u003cli\u003eConnect \u003cstrong\u003ered clamp\u003c\/strong\u003e to \u003cstrong\u003e+\u003c\/strong\u003e and \u003cstrong\u003eblack\u003c\/strong\u003e to \u003cstrong\u003e−\u003c\/strong\u003e on the battery (good contact required).\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eBattery Test\u003c\/strong\u003e in the menu. Enter battery \u003cstrong\u003estandard\u003c\/strong\u003e (e.g., EN\/DIN\/CCA) \u0026amp; rated current (e.g., 640 CCA).\u003c\/li\u003e\n\u003cli\u003eStart the test – read \u003cstrong\u003eSOH\/SOC\u003c\/strong\u003e, \u003cstrong\u003eCCA\u003c\/strong\u003e, \u003cstrong\u003eRint\u003c\/strong\u003e and verdict \u003cem\u003eGood\/Recharge\/Replace\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eCranking Test\u003c\/strong\u003e: follow instructions, start the engine when prompted. Read min-voltage\/duration.\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eCharging Test\u003c\/strong\u003e: with the engine running, measure idle charge and under load (lights, fan, rear window) and observe ripple.\u003c\/li\u003e\n\u003cli\u003eReview \u003cstrong\u003eWaveform\u003c\/strong\u003e (real-time) to detect spikes\/ripple.\u003c\/li\u003e\n\u003cli\u003eSave measurements. Use PC for printing if desired.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e4) PC \u0026amp; Updates\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eConnect KW681 via the included USB cable to a Windows computer.\u003c\/li\u003e\n\u003cli\u003eInstall the manufacturer's update tool (simple \u003cem\u003eone-click update\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003ePrint stored reports if needed.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\u003c!-- INTERPRETATION AND TROUBLESHOOTING --\u003e\n\u003csection id=\"tolkning\"\u003e\n\u003ch2\u003eInterpretation of Battery Test \u0026amp; Troubleshooting\u003c\/h2\u003e\n\u003ch3\u003eReference Values\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResting Voltage:\u003c\/strong\u003e 12.6–12.8V ≈ full, 12.2–12.4V ≈ 50–70%, \u003c12.0V = charge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCranking:\u003c\/strong\u003e Brief drop to 9–10V is normal; \u003c8.5–9.0V suggests weak battery\/cable fault\/starter motor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e 13.8–14.8V (temperature-dependent). \u003c13.2V = poor charging, \u003e14.8V = risk of overcharge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSOH\/SOC\/CCA\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOH ≥ 80%:\u003c\/strong\u003e Healthy battery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOH 60–79%:\u003c\/strong\u003e Beginning degradation – follow up\/maintain charge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOH \u003c 60%:\u003c\/strong\u003e Recommended replacement, especially in cold climates\/start-stop systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasured CCA ≪ Rated CCA:\u003c\/strong\u003e Lost cranking capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuick Troubleshooting Matrix\u003c\/h3\u003e\n\u003ctable cellpadding=\"8\" border=\"1\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSymptom\u003c\/th\u003e\n\u003cth\u003eProbable Cause\u003c\/th\u003e\n\u003cth\u003eAction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow resting voltage, OK SOH\u003c\/td\u003e\n\u003ctd\u003eDischarged battery\u003c\/td\u003e\n\u003ctd\u003eMaintain charge, check quiescent current.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLarge voltage dip during start (\u003c9V)\u003c\/td\u003e\n\u003ctd\u003eHigh internal resistance \/ weak battery \/ poor cable terminals\u003c\/td\u003e\n\u003ctd\u003eClean terminals, check wiring\/starter motor, replace battery if SOH is low.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow charging voltage\u003c\/td\u003e\n\u003ctd\u003eAlternator\/belt\/ground fault\u003c\/td\u003e\n\u003ctd\u003eCheck belt tension, ground points, alternator.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh charging voltage\u003c\/td\u003e\n\u003ctd\u003eDefective regulator\u003c\/td\u003e\n\u003ctd\u003eRepair\/replace alternator\/regulator.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClear ripple in waveform\u003c\/td\u003e\n\u003ctd\u003eRectifier\/diode fault\u003c\/td\u003e\n\u003ctd\u003eAlternator test, verify under load.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003c!-- TIPS --\u003e\n\u003csection id=\"tips\"\u003e\n\u003ch2\u003eTips \u0026amp; Best Practices\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrect Standard:\u003c\/strong\u003e Match the battery's label (EN\/DIN\/CCA\/JIS) for accurate assessment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Cold lowers capacity – interpret results considering the environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAfter Charging:\u003c\/strong\u003e Rest for 30–60 minutes before a new resting measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspection:\u003c\/strong\u003e Use the I\/M button and drive the vehicle's drive cycle to complete monitors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplement:\u003c\/strong\u003e More scanners \u0026amp; special tools in the \u003ca href=\"https:\/\/www.felkodslasare.se\/collections\/felkodslasare-1\"\u003efault code reader collection\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- FAQ --\u003e\n\u003csection id=\"faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003ch3\u003eDoes the KW681 work on my car?\u003c\/h3\u003e\n\u003cp\u003eYes, if it is \u003cstrong\u003eOBD2-compliant\u003c\/strong\u003e (USA 1996→, EU typically 2001 gasoline\/2004 diesel→). 24V trucks are not supported.\u003c\/p\u003e\n\u003ch3\u003eCan I clear fault codes after repair?\u003c\/h3\u003e\n\u003cp\u003eYes. Use \u003cstrong\u003eErase Codes\u003c\/strong\u003e with ignition on (engine off). Then drive the drive cycle to make monitors \u003cem\u003eReady\u003c\/em\u003e.\u003c\/p\u003e\n\u003ch3\u003eDoes the KW681 support AGM\/GEL\/EFB?\u003c\/h3\u003e\n\u003cp\u003eYes, select the correct battery type\/standard and enter the rated current according to the battery's label.\u003c\/p\u003e\n\u003ch3\u003eDoes the KW681 display CCA and SOH?\u003c\/h3\u003e\n\u003cp\u003eYes. The unit calculates deliverable cranking current (CCA) and state of health (SOH) via conductance measurement.\u003c\/p\u003e\n\u003ch3\u003eCan I print reports?\u003c\/h3\u003e\n\u003cp\u003eYes, via PC (Windows). Results can be stored and printed for customers or archives.\u003c\/p\u003e\n\u003ch3\u003eDo I need to charge the unit?\u003c\/h3\u003e\n\u003cp\u003eNo. It is powered by the car's OBD port or by the battery via the clamps.\u003c\/p\u003e\n\u003ch3\u003eDoes the tool have Swedish menus?\u003c\/h3\u003e\n\u003cp\u003eThe tool supports multiple languages as specified. Reports and documentation can easily be used in a Swedish workshop environment.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- PACKAGING --\u003e\n\u003csection id=\"forpackning\"\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × KONNWEI KW681 OBD2 Scanner \u0026amp; 12V Battery Tester\u003c\/li\u003e\n\u003cli\u003e1 × Mini-USB Cable\u003c\/li\u003e\n\u003cli\u003e1 × User Manual\u003c\/li\u003e\n\u003cli\u003e1 × Polyester Storage Pouch\u003c\/li\u003e\n\u003cli\u003e1 × Color Box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- NOTICES --\u003e\n\u003csection id=\"notiser\"\u003e\n\u003ch2\u003eImportant Notes \u0026amp; Disclaimer\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e Use safety glasses, avoid sparks near batteries, follow vehicle manufacturer's instructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Scope:\u003c\/strong\u003e KW681 covers engine\/emissions via OBD2 as well as 12V battery\/cranking\/charging. Full system diagnostics (ABS\/SRS\/EPB etc.) require brand-specific\/professional support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Selection:\u003c\/strong\u003e Incorrectly selected battery standard\/rated current leads to inaccurate conclusions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature \u0026amp; Driving Profile:\u003c\/strong\u003e Affects SOC\/SOH and readiness. Interpret results in the correct context.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo External Links:\u003c\/strong\u003e For related products – see our own \u003ca href=\"https:\/\/www.felkodslasare.se\/collections\/felkodslasare-1\"\u003efault code readers\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- SEO (hidden) --\u003e\n\u003csection style=\"display: none;\" id=\"seo\"\u003eKONNWEI KW681, OBD2 car scanner, battery tester 12V, CCA SOC SOH, cranking test, charging test, I\/M Readiness, EVAP, Mode 6, O2 sensor, live data, waveform, alternator test, internal resistance, EOBD CAN, fault code reader, felkodslasare.se, OBD2 tool, car diagnostics, AGM GEL EFB, petrol diesel 1996, print report, PC update.\u003c\/section\u003e\n\u003c!-- SUMMARY --\u003e\n\u003csection id=\"sammanfattning\"\u003e\n\u003ch2\u003eSummary\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eKONNWEI KW681\u003c\/strong\u003e is a \u003cstrong\u003ecost-effective all-in-one tool\u003c\/strong\u003e that combines \u003cstrong\u003eengine\/emissions diagnostics\u003c\/strong\u003e with \u003cstrong\u003eprofessional battery analysis\u003c\/strong\u003e. With \u003cem\u003eOne-Click I\/M\u003c\/em\u003e, graphed live data, waveform, and printable reports, you get confident decisions for inspection, service, and troubleshooting. Do you need more diagnostic tools? Explore our collection of \u003ca href=\"https:\/\/www.felkodslasare.se\/collections\/felkodslasare-1\"\u003efault code readers\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/section\u003e","brand":"Konnwei","offers":[{"title":"Default Title","offer_id":54177157841164,"sku":"FEL-KW681","price":54.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/4979\/6876\/files\/konnwei-kw681-obd2-bilscanner-batteritestare-2-i-1-med-fargskarm-im-snabbknapp-ccasocsoh-start-laddningstest-6570974.jpg?v=1771872504","url":"https:\/\/www.felkodslasare.se\/en-en\/products\/konnwei-kw681-obd2-batteritestare","provider":"Felkodsläsare","version":"1.0","type":"link"}