{"product_id":"fnirsi-btm-24-multifunctional-car-battery-tester","title":"FNIRSI BTM-24 multifunctional car battery tester","description":"\u003ch3\u003eFNIRSI BTM-24 Multifunctional car battery tester\u003c\/h3\u003e\n\u003cp\u003eThe FNIRSI BTM-24 is an advanced yet extremely easy-to-use 12V and 24V battery tester that replaces several diagnostic tools. In a single measurement, you can check the voltage, starting current up to 2000A CCA, state of charge (SOC), state of health (SOH), internal resistance, and the correct operation of the alternator and charging system. It's a quick, clear answer to the question:\u003cem\u003eis the battery working properly, or is it nearing the end of its life\u003c\/em\u003e?\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"The FNIRSI battery tester stands next to a car battery, ready for quick diagnostics.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19553\/26060\/Wielofunkcyjny-tester-akumulatorow-samochodowych-FNIRSI-BTM-24-lifestyle-1.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003eNo more guessing – you know before the battery fails\u003c\/h3\u003e\n\u003cp\u003eDim lights, starting problems, or random electronic errors are the first warning signs. FNIRSI BTM-24 eliminates guesswork – it clearly shows whether the problem is with the battery, alternator, or installation. This allows you to avoid costly \"blind\" repairs and replacement of functional components.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"The FNIRSI battery tester in the driver's hand during an engine start test inside the car.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19553\/26060\/Wielofunkcyjny-tester-akumulatorow-samochodowych-FNIRSI-BTM-24-lifestyle-2.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003eNon-destructive battery health test – safe and reliable\u003c\/h3\u003e\n\u003cp\u003eThe device uses a non-destructive diagnostic method, which means that the battery is not loaded during the test. Simply select the battery standard and start the measurement with one click. The result is presented in the form of a clear GOOD \/ CHARGE \/ BAD rating along with precise technical parameters – you know exactly what to do next.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"The FNIRSI battery tester presented on various types of batteries in a workshop environment.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19553\/26060\/Wielofunkcyjny-tester-akumulatorow-samochodowych-FNIRSI-BTM-24-lifestyle-3.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003eCheck engine cranking with one click\u003c\/h3\u003e\n\u003cp\u003eThe One-Tap Cranking Test function records the voltage drop in real time during engine start-up. The tester immediately informs you whether the start-up is within the normal range (\u0026gt;9.6V) or signals a problem. It is an indispensable tool for diagnosing weak batteries and problems with the starting system.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"The FNIRSI battery tester connected to the battery in the engine compartment during charging measurement.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19553\/26060\/Wielofunkcyjny-tester-akumulatorow-samochodowych-FNIRSI-BTM-24-lifestyle-4.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003eReal-time charging and alternator test while driving\u003c\/h3\u003e\n\u003cp\u003eThe BTM-24 monitors dynamic, minimum, and maximum charging voltage, showing how the system responds to changes in engine speed and the activation of receivers. A graphical voltage waveform graph allows you to assess the condition of the alternator, voltage regulator, and cables at a glance—no guesswork and no trip to the service station.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"The FNIRSI battery tester shows the battery health result on a color screen.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19553\/26060\/Wielofunkcyjny-tester-akumulatorow-samochodowych-FNIRSI-BTM-24-lifestyle-5.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003eFull compatibility with batteries and vehicles\u003c\/h3\u003e\n\u003cp\u003eThe tester supports 6 battery standards: CCA, EN, DIN, IEC, JIS, and GB, as well as AGM (flat and spiral), GEL, EFB, and classic lead-acid batteries. It works well in passenger cars, motorcycles, ATVs, boats, delivery vehicles, trucks, company fleets, and golf carts – both inside and outside the vehicle.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"The FNIRSI battery tester protected by reverse polarity protection on two batteries.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19553\/26060\/Wielofunkcyjny-tester-akumulatorow-samochodowych-FNIRSI-BTM-24-lifestyle-6.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003eClear display and intuitive operation for everyone\u003c\/h3\u003e\n\u003cp\u003eThe 2.4\" color TFT display with day and night modes ensures excellent readability in all conditions. The simple menu guides the user step by step, so the device can be easily used by mechanics, novice drivers, and used car buyers alike.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"The FNIRSI battery tester with a display in day and night mode against the background of a road and cars.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19553\/26060\/Wielofunkcyjny-tester-akumulatorow-samochodowych-FNIRSI-BTM-24-lifestyle-7.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003eMaximum safety at work\u003c\/h3\u003e\n\u003cp\u003eRobust, insulated crocodile clips with a wide grip range ensure a secure connection to the terminals. Built-in reverse polarity and overvoltage protection protects the battery, vehicle electronics, and the device itself – test without stress or risk.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"The FNIRSI battery tester is used by a mechanic during a battery check in a workshop.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19553\/26060\/Wielofunkcyjny-tester-akumulatorow-samochodowych-FNIRSI-BTM-24-lifestyle-8.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003eWell-thought-out design and ready-to-use set\u003c\/h3\u003e\n\u003cp\u003eThe FNIRSI BTM-24 has an integrated, tear-resistant cable, 61-centimeter clamps, a foldable stand, and a hanging hole. The set includes a tester, instructions, a data cable, and a practical case, so the device is always safe, mobile, and ready to use.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"The FNIRSI battery tester is based on a battery with solid clamps in a professional garage.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19553\/26060\/Wielofunkcyjny-tester-akumulatorow-samochodowych-FNIRSI-BTM-24-lifestyle-9.jpg\"\u003e\n\u003c\/p\u003e\u003ch3\u003eWho is the FNIRSI BTM-24 for?\u003c\/h3\u003e\n\u003cp\u003eIt is the perfect tool for mechanics, workshops, DIY enthusiasts, new drivers, company fleets, and used car buyers. One tester that gives you confidence, saves you money, and allows you to make decisions based on facts, not assumptions.\u003c\/p\u003e\n\u003cp\u003e\n\u003cimg alt=\"The FNIRSI battery tester works stably thanks to the built-in stand during testing in a car.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/19553\/26060\/Wielofunkcyjny-tester-akumulatorow-samochodowych-FNIRSI-BTM-24-lifestyle-10.jpg\"\u003e\n\u003c\/p\u003e\n\u003ch3\u003eIncluded:\u003c\/h3\u003e\n\u003cul class=\"list-disc pl-5\"\u003e\n\u003cli\u003eFNIRSI BTM-24 battery tester\u003c\/li\u003e\n\u003cli\u003eTest leads with insulated clamps\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003cli\u003eData cable\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eFNIRSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eBTM-24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDevice type\u003c\/th\u003e\n\u003ctd\u003eMultifunctional battery and charging system tester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported battery voltage\u003c\/th\u003e\n\u003ctd\u003e12 V \/ 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTestable starting current range\u003c\/th\u003e\n\u003ctd\u003eUp to 2000 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported battery standards\u003c\/th\u003e\n\u003ctd\u003eCCA \/ EN \/ DIN \/ IEC \/ JIS \/ GB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported battery types\u003c\/th\u003e\n\u003ctd\u003eAGM (flat plate, spiral), EFB, GEL, lead-acid (flooded)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage measurement range\u003c\/th\u003e\n\u003ctd\u003e6–30 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiagnostic tests\u003c\/th\u003e\n\u003ctd\u003eState of health (SOH)\u003cbr\u003eState of charge (SOC)\u003cbr\u003eInternal resistance\u003cbr\u003eStart test\u003cbr\u003eLoad test\u003cbr\u003eCharge test\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTest method\u003c\/th\u003e\n\u003ctd\u003eNon-destructive (no load on the battery)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTest modes\u003c\/th\u003e\n\u003ctd\u003eIn-vehicle \/ out-of-vehicle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003e2.4\" color TFT screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay modes\u003c\/th\u003e\n\u003ctd\u003eDay and night mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eData presentation\u003c\/th\u003e\n\u003ctd\u003eNumerical values + real-time voltage waveform graphs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControls\u003c\/th\u003e\n\u003ctd\u003eDirectional buttons + OK button\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtections\u003c\/th\u003e\n\u003ctd\u003eReverse polarity, overvoltage, short circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasuring cable length\u003c\/th\u003e\n\u003ctd\u003eApproximately 61 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDesign\u003c\/th\u003e\n\u003ctd\u003eIntegrated cable\u003cbr\u003eFoldable stand\u003cbr\u003eHanging hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eHousing material\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImpact-resistant plastic\u003c\/th\u003e\n\u003ctd\u003eMenu language\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eEnglish \/ Chinese\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDevice dimensions\u003c\/th\u003e\n\u003ctd\u003e80.5 × 155.8 × 28.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eDevice weight\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eApproximately 479 g\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003ePassenger cars\u003cbr\u003eMotorcycles\u003cbr\u003eATVs\u003cbr\u003eBoats\u003cbr\u003eDelivery and truck vehicles\u003cbr\u003eFleets\u003cbr\u003eGolf carts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"FNIRSI","offers":[{"title":"Default Title","offer_id":53732302225745,"sku":"084445","price":44.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/0576\/9212\/files\/57395_1_4a263a.jpg?v=1778535718","url":"https:\/\/www.great-technology.be\/en\/products\/fnirsi-btm-24-multifunctional-car-battery-tester","provider":"Great Technology Srl ®","version":"1.0","type":"link"}