{"product_id":"tooltop-ir502-battery-internal-resistance-tester","title":"TOOLTOP IR502 Battery Internal Resistance Tester – ±120V, 500Ω, 4-Wire Kelvin","description":"\u003cp\u003eThe \u003cstrong\u003eTOOLTOP IR502\u003c\/strong\u003e measures a battery's \u003cstrong\u003einternal resistance\u003c\/strong\u003e and voltage together, the quickest way to grade lithium 18650 and LiFePO4 cells, check lead-acid and NiCd batteries, and match cells before building a pack.\u003c\/p\u003e\u003cp\u003eIt reads internal resistance from 0.000mΩ to 500Ω using a 1kHz AC signal and four-wire Kelvin probes, and voltage up to ±120V DC (non-polarised). Six resistance ranges switch automatically, the 3.2-inch screen shows both readings at once, and it charges from a built-in 1200mAh lithium battery.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e🔋 \u003cstrong\u003eInternal resistance 0.000mΩ to 500Ω\u003c\/strong\u003e, 6 ranges with auto switching\u003c\/li\u003e\n\u003cli\u003e⚡ \u003cstrong\u003eVoltage 0.00 to ±120V DC\u003c\/strong\u003e, non-polarised\u003c\/li\u003e\n\u003cli\u003e🎯 \u003cstrong\u003e4-wire Kelvin\u003c\/strong\u003e, 1kHz AC test signal\u003c\/li\u003e\n\u003cli\u003e🖥️ \u003cstrong\u003e3.2-inch screen\u003c\/strong\u003e showing resistance and voltage together; user self-calibration\u003c\/li\u003e\n\u003cli\u003e💡 \u003cstrong\u003eBacklight and LED torch\u003c\/strong\u003e; built-in 1200mAh lithium battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eIR502\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eTOOLTOP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e0.00V to ±120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInternal resistance\u003c\/th\u003e\n\u003ctd\u003e0.000mΩ to 500Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax input voltage\u003c\/th\u003e\n\u003ctd\u003eDC 120V (non-polarised); no AC input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasurement current\u003c\/th\u003e\n\u003ctd\u003e50mA to 50µA AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTest frequency\u003c\/th\u003e\n\u003ctd\u003e1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasurement speed\u003c\/th\u003e\n\u003ctd\u003e3 times per second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRange selection\u003c\/th\u003e\n\u003ctd\u003eAutomatic \/ manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003e3.2-inch, dual reading, backlit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003eBuilt-in 1200mAh lithium battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery types\u003c\/th\u003e\n\u003ctd\u003eLead-acid, lithium, nickel-cadmium, alkaline and more\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × TOOLTOP IR502 tester\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TOOLTOP","offers":[{"title":"Default Title","offer_id":67656265695510,"sku":"CHN-IR502","price":10250.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/0764\/1366\/files\/tooltop-ir502-battery-internal-resistance-tester-1.png?v=1791273644","url":"https:\/\/digilog.pk\/products\/tooltop-ir502-battery-internal-resistance-tester","provider":"digilog.pk","version":"1.0","type":"link"}