{"product_id":"car-battery-tester-6v-12v-24v-battery-voltage-tester","title":"Car Battery Tester 6V 12V 24V Battery Voltage Tester","description":"\u003cp\u003e\u003cstrong\u003eThe OBDResource BR502 is a compact digital battery tester that checks 6V, 12V and 24V batteries, measuring CCA, voltage, SOC, SOH and internal resistance to help you decide whether to charge or replace a battery.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you need a quick, reliable snapshot of a vehicle battery’s condition — whether for a car, truck, motorcycle or boat — the BR502 delivers fast results on a bright 1.8-inch screen. It supports 100–2000 CCA ranges and multiple battery chemistries (flooded, AGM flat plate, AGM spiral and gel), and includes built-in protections like reverse polarity prevention. Compact and user-friendly, it’s designed for mechanics, fleet operators and vehicle owners who want to avoid unexpected battery failures.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly and accurately does the BR502 return test results?\u003c\/h3\u003e\n\u003cp\u003eThe BR502 uses an intelligent microprocessor to analyze battery data and delivers a result within about two seconds. Results display as Good, Normal or Poor and are derived from CCA standards, giving a high degree of repeatability for routine checks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eResult time: approximately 2 seconds per test\u003c\/li\u003e\n  \u003cli\u003eCCA test range: 100–2000 CCA\u003c\/li\u003e\n  \u003cli\u003eDisplayed metrics: voltage, SOC (state of charge), SOH (state of health), internal resistance\u003c\/li\u003e\n  \u003cli\u003eReported result: actionable advice to charge or replace\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat battery types and vehicle applications does this analyzer support?\u003c\/h3\u003e\n\u003cp\u003eThe BR502 is designed to test common 6V, 12V and 24V lead-acid battery types used across automotive, marine and powersports. It works both on batteries installed in vehicles and on batteries removed from equipment, making it suitable for service bays and roadside checks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSupported voltages: 6V, 12V, 24V\u003c\/li\u003e\n  \u003cli\u003eCompatible chemistries: regular flooded, AGM flat plate, AGM spiral, gel\u003c\/li\u003e\n  \u003cli\u003eApplications: cars, pickup trucks, SUVs, boats, motorcycles\u003c\/li\u003e\n  \u003cli\u003eIn-vehicle and out-of-vehicle testing, including dead batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the BR502 simple and safe to use for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes — the unit is plug-and-play: attach the clamps correctly and the device begins testing automatically. Safety features such as reverse-polarity protection prevent damage if the clamps are connected incorrectly, and a flicker warning indicates poor clamp contact to help ensure reliable readings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUser interface: clear 1.8-inch HD display with immediate status readout\u003c\/li\u003e\n  \u003cli\u003eSafety: polarity reverse connection protection prevents circuit damage\u003c\/li\u003e\n  \u003cli\u003eFeedback: screen flicker indicates improper clamp contact\u003c\/li\u003e\n  \u003cli\u003eSuitable for beginners and professional technicians\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow can this tester help with fleet maintenance or pre-purchase inspections?\u003c\/h3\u003e\n\u003cp\u003eRegular checks with the BR502 identify batteries that are losing capacity or exhibiting high internal resistance before they fail in service. That makes it a practical tool to reduce downtime, schedule replacements, and verify battery condition when buying a used vehicle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFleet use: quick screening of many vehicles to prioritize replacements\u003c\/li\u003e\n  \u003cli\u003ePre-purchase: objective metrics to support buying decisions\u003c\/li\u003e\n  \u003cli\u003eMaintenance planning: track SOH trends to replace batteries proactively\u003c\/li\u003e\n  \u003cli\u003ePortable: lightweight for field or shop use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The OBDResource BR502 suits DIYers who want a reliable way to monitor their vehicle battery, professional mechanics and service shops performing routine diagnostics, and fleet managers who need a fast, repeatable method to assess multiple batteries. If you need a portable, accurate battery analyzer that supports common lead-acid types and several voltages, the BR502 provides the core data (voltage, SOC, SOH, internal resistance and CCA) to make informed charging or replacement decisions.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the BR502 test a dead battery?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It can test batteries that are discharged or unable to start the vehicle, both in-vehicle and off the bench.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which battery types and voltages are supported?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Supports 6V, 12V and 24V lead-acid batteries including flooded, AGM flat plate, AGM spiral and gel types.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OBDResource","offers":[{"title":"Default Title","offer_id":48086949953694,"sku":"B0928X5HSY","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/obdresource-br502-front-display.jpg?v=1785910377","url":"https:\/\/northtrailauto.ca\/products\/car-battery-tester-6v-12v-24v-battery-voltage-tester","provider":"North Trail Auto","version":"1.0","type":"link"}