{"product_id":"sptg1","title":"Stinger SPTG1 12V Battery \u0026 Charging System Tester","description":"\u003ch2\u003eCheck Battery Health Before Replacing Parts\u003c\/h2\u003e\n\u003cp\u003eA slow crank or electrical problem doesn't always mean the battery needs replacing. The \u003cstrong\u003eStinger SPTG1 Battery Conductance Tester\u003c\/strong\u003e helps evaluate a 12V lead-acid battery and check the vehicle's starting and charging systems, giving you useful information before you start swapping components.\u003c\/p\u003e\n\u003ch3\u003eThree Diagnostic Test Modes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery test:\u003c\/strong\u003e Analyze battery voltage, cold-cranking capability, resistance, and overall battery condition using conductance technology.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStarting-system test:\u003c\/strong\u003e Evaluate cranking performance to help investigate starting problems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging-system test:\u003c\/strong\u003e Check charging performance to help identify issues requiring further diagnosis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications and Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ model:\u003c\/strong\u003e Stinger SPTG1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended applications:\u003c\/strong\u003e 12V automotive, marine, and powersports lead-acid batteries; 12V vehicle starting and charging systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed battery-capacity measurement range:\u003c\/strong\u003e 30–200Ah\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage measurement range:\u003c\/strong\u003e 7–30V DC; this does not establish compatibility with 24V vehicle-system testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest connections:\u003c\/strong\u003e Double-conductor Kelvin clamps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower-up:\u003c\/strong\u003e Powers on when properly connected to the battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUse the Correct Battery Rating\u003c\/h3\u003e\n\u003cp\u003eSelect the appropriate rating standard and enter the battery's labeled rating before testing. Incorrect settings can produce misleading pass\/fail results. A discharged battery may need to be charged according to its manufacturer's instructions and retested before deciding it needs replacement. Batteries below 7V will not test properly.\u003c\/p\u003e\n\u003cp\u003eThis is a diagnostic conductance tester, not a battery charger or jump starter. Do not assume compatibility with lithium batteries. Follow the supplied instructions and compare charging results with the vehicle manufacturer's specifications.\u003c\/p\u003e\n\u003ch3\u003eLocal Help in Killeen, Texas\u003c\/h3\u003e\n\u003cp\u003eBest Auto Sound \u0026amp; Security offers local installation for car-audio and charging-system upgrades in Killeen, Texas. Call 254-213-0501 for help planning your system. Installation and any additional parts are quoted separately.\u003c\/p\u003e","brand":"Stinger","offers":[{"title":"Default Title","offer_id":67877283692657,"sku":null,"price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0684\/4884\/5937\/files\/Screenshot_27-10-2026_191323_www.stingerdealer.com.jpg?v=1793146451","url":"https:\/\/12volttoys.com\/products\/sptg1","provider":"Best Auto Sound \u0026 Security","version":"1.0","type":"link"}