{"product_id":"uni-t-ut3550-battery","title":"UNI-T UT3550 Handheld Battery Tester – Internal Resistance \u0026 Voltage","description":"\u003cp\u003e\u003cstrong\u003eUNI-T UT3550\u003c\/strong\u003e — The UT3550 measures battery internal resistance and voltage together using a 4-wire Kelvin connection and 1 kHz AC injection — the method that reveals a weak cell before it fails under load. It resolves internal resistance from 0.001 mΩ to 30 Ω at ±0.5% and voltage to 100 V at ±0.05%, covering everything from small consumer cells to large industrial battery banks. Genuine UNI-T product supplied by Digilog.pk with warranty.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAC-injection internal-resistance method (1 kHz)\u003c\/li\u003e\n\u003cli\u003eInternal resistance 0.001 mΩ to 30 Ω, ±0.5%\u003c\/li\u003e\n\u003cli\u003eVoltage 0.0001 V to 100 V, ±0.05%\u003c\/li\u003e\n\u003cli\u003e4-wire Kelvin connection removes lead resistance\u003c\/li\u003e\n\u003cli\u003eComparison function with pass\/fail sorting\u003c\/li\u003e\n\u003cli\u003eData logging to 500 groups; CSV export over USB-C\u003c\/li\u003e\n\u003cli\u003eDual display (LCD \u0026amp; OLED); IP65 sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eDC Voltage In\u003c\/th\u003e\n\u003ctd\u003e100 V (0.0001 V to 100.00 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInternal Resistance Range\u003c\/th\u003e\n\u003ctd\u003e0.001 mΩ to 30.00 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Resistance\u003c\/th\u003e\n\u003ctd\u003e30 Ω (0.001 mΩ to 30.00 Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery Voltage Range\u003c\/th\u003e\n\u003ctd\u003e0.0001 V to 100.00 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery Test Frequency\u003c\/th\u003e\n\u003ctd\u003e1 kHz±30 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage Resolution\u003c\/th\u003e\n\u003ctd\u003e0.1 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasurement Resolution\u003c\/th\u003e\n\u003ctd\u003e0.001 mΩ \/ 0.1 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAccuracy\u003c\/th\u003e\n\u003ctd\u003eResistance: ±0.5%rdg±5dgt , Voltage: ±0.05%rdg±5dgt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAuto Ranging\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTest Method\u003c\/th\u003e\n\u003ctd\u003e4-Wire Kelvin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComparison Function\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eData Logging\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProgrammable\u003c\/th\u003e\n\u003ctd\u003eYes\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\u003eBench digital multimeter\u003c\/li\u003e\n\u003cli\u003ePower cord\u003c\/li\u003e\n\u003cli\u003eTest leads\u003c\/li\u003e\n\u003cli\u003eUSB cable\u003c\/li\u003e\n\u003cli\u003eEnglish user manual\u003c\/li\u003e\n\u003cli\u003eCalibration certificate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/uni-trendus.com\/products\/ut3550\" target=\"_blank\" rel=\"noopener\"\u003eUNI-T UT3550 Product Page, Datasheet \u0026amp; Manual\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, RoHS  |  \u003cstrong\u003eHS Code:\u003c\/strong\u003e 9030.31\u003c\/p\u003e","brand":"UNI-T","offers":[{"title":"Default Title","offer_id":51553518977302,"sku":"UT3550","price":593750.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/0764\/1366\/files\/UT3550_1.jpg?v=1783954832","url":"https:\/\/digilog.pk\/products\/uni-t-ut3550-battery","provider":"digilog.pk","version":"1.0","type":"link"}