{"product_id":"duoyi-dy221-car-battery-tester-12v-24v-digital-automotive-alternator-meter-diagnostic-tool-100-2000-cca-load-capacity-charging-cranking-analyzer-for-cars-trucks-motorcycles-vans-rvs-boats","title":"DUOYI DY221 Car Battery Tester, 12V 24V Digital Automotive Alternator Meter Diagnostic Tool,100-2000 CCA Load Capacity, Charging \u0026 Cranking Analyzer for Cars, Trucks, Motorcycles, Vans, RVs, Boats...","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProfessional 12V\/24V Battery Diagnostics​​ ➤ DUOYI DY221 Load battery tester Tests cranking\/charging systems \u0026amp; CCA value (100-2000) for lead-acid batteries with Kelvin 4-wire tech.– Catch issues before $500 garage bills.\u003c\/li\u003e\n\u003cli\u003e​​Advanced Safety \u0026amp; Accuracy​​ ➤ Polar reversal\/over-voltage protection + loose lead detection ensures precise readings per IEC\/EN61010-1 standards.– like $2,000 pro tools.\u003c\/li\u003e\n\u003cli\u003eUser-Friendly Operation​​ ➤ Large backlit LCD + touch-tone keys simplifies testing. Stores last results for Battery\/Cranking\/Charging tests.– faster than brewing coffee.\u003c\/li\u003e\n\u003cli\u003e​​Comprehensive Vehicle Analysis ➤ Tests cranking voltage (\u0026gt;9.6V good), charging status (13.4-14.6V normal), and ripple voltage (\u0026lt;1200mV).\u003c\/li\u003e\n\u003cli\u003e​​Essential for Auto Shops ➤ Must-have for battery sales\/repair shops, mechanics, and DIYers with GB\/SAE\/JIS\/DIN standards support.\u003c\/li\u003e\n\u003cli\u003eTest ANY Battery In-Car ➤ AGM\/GEL\/EFB? 100-2000 CCA? Motorcycles, Passenger Cars, Vans, Off-Road Vehicles, Heavy-Duty Trucks, Buses, Cranes, Tractors, Excavators, Farm Equipment, Yachts \u0026amp; Boats, Street Sweepers, Loaders \u0026amp; More,Test under hood – no wrench needed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DUOYI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem dimensions L x W x H:\u003c\/strong\u003e 6.7 x 1.4 x 3.6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMin. Operating Voltage:\u003c\/strong\u003e 9 volts_of_direct_current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification Met:\u003c\/strong\u003e Iec\/En61010-1, Cat III 600v\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Count:\u003c\/strong\u003e 1 Count\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DUOYI","offers":[{"title":"Default Title","offer_id":40836819615873,"sku":"B0FFT6LLYR","price":107.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/5754\/0993\/files\/51106un_tEL.jpg?v=1785076579","url":"https:\/\/garagenest.us\/products\/duoyi-dy221-car-battery-tester-12v-24v-digital-automotive-alternator-meter-diagnostic-tool-100-2000-cca-load-capacity-charging-cranking-analyzer-for-cars-trucks-motorcycles-vans-rvs-boats","provider":"GarageNest","version":"1.0","type":"link"}