{"product_id":"foxwell-car-battery-tester-12v-24v-bt705-conductance-battery-alternator-tester-with-rugged-clamps-and-case","title":"FOXWELL Car Battery Tester 12V\/24V — BT705 Conductance Battery \u0026 Alternator Tester with Rugged Clamps and Case","description":"\u003cp\u003e\u003cstrong\u003eFOXWELL BT705 is a handheld battery and charging-system tester that quickly diagnoses 12V and 24V lead‑acid batteries, cranking performance, and alternator output with clear GOOD \/ RECHARGE \/ REPLACE guidance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe BT705 pairs conductance-based battery analysis with guided on-screen prompts so hobbyists, mechanics and fleet managers can evaluate battery condition, starting ability and charging health without guessing. Its broad CCA range and multi-chemistry compatibility make it usable on passenger cars, trucks, RVs, boats and light commercial vehicles. Rugged clamps, a 5.9‑ft cable and a hard carrying case are included for workshop durability and convenient one‑person testing.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the BT705 tell if a battery needs replacement?\u003c\/h3\u003e\n\u003cp\u003eThe tester uses advanced conductance measurement to estimate CCA, internal resistance, state of health (SOH) and state of charge (SOC). Results are summarized into simple status messages so you don’t have to interpret raw values unless you want to.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeasures CCA and internal resistance to detect weakened cells.\u003c\/li\u003e\n  \u003cli\u003eDisplays SOH\/SOC so you can see remaining capacity and charge level.\u003c\/li\u003e\n  \u003cli\u003eProduces a clear GOOD \/ RECHARGE \/ REPLACE recommendation.\u003c\/li\u003e\n  \u003cli\u003eWorks reliably in cold‑weather conditions where comparisons matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I test starting performance and charging output with one device?\u003c\/h3\u003e\n\u003cp\u003eYes — the BT705 records cranking voltage and cranking time during engine start and separately checks alternator\/charging system output. The 5.9‑ft cable lets you view live readings from the driver’s seat while starting, so a second person isn’t required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCranking test captures voltage and duration during engine start.\u003c\/li\u003e\n  \u003cli\u003eCharging function measures alternator voltage and ripple under load.\u003c\/li\u003e\n  \u003cli\u003eStep‑by‑step prompts guide you through each test for consistent data.\u003c\/li\u003e\n  \u003cli\u003eResults help separate battery failure from charging system faults.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat battery types and vehicle systems does the BT705 support?\u003c\/h3\u003e\n\u003cp\u003eThe BT705 covers 12V and 24V systems and tests batteries rated between 100 and 2000 CCA. It supports common lead‑acid chemistries found in modern vehicles, including flooded, AGM, GEL and EFB designs used in start‑stop systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with 12V and 24V electrical systems across cars, trucks, RVs and boats.\u003c\/li\u003e\n  \u003cli\u003eAccepts Flooded, AGM, GEL and EFB battery chemistries.\u003c\/li\u003e\n  \u003cli\u003eCCA testing range 100–2000 CCA to fit small and heavy‑duty batteries.\u003c\/li\u003e\n  \u003cli\u003eUseful for diagnosing start‑stop batteries and fleet vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat durability and usability features help in everyday shop use?\u003c\/h3\u003e\n\u003cp\u003eThe BT705 is built for repeat testing: a protective housing resists workshop wear, heavy‑duty clamps provide reliable contact, and the hard carry case stores accessories neatly. The color 2.8‑inch display offers stepwise instructions so less experienced users can run tests with confidence.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRugged enclosure and durable battery clamps for workshop environments.\u003c\/li\u003e\n  \u003cli\u003eHard carrying case included for organized transport and storage.\u003c\/li\u003e\n  \u003cli\u003e5.9‑ft test cable enables one‑person testing from the driver’s seat.\u003c\/li\u003e\n  \u003cli\u003eClear guided interface reduces operator error and speeds checks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The FOXWELL BT705 is aimed at DIYers who maintain multiple vehicles, independent mechanics, and fleet or shop technicians who need repeatable, fast battery and charging diagnostics without complex setup. If you want reliable conductance-based diagnostics, simple PASS\/REVIEW\/REPLACE results, and a tool built to hold up in a garage environment, the BT705 covers batteries, cranking checks and alternator tests for most light and medium vehicle applications.\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: Does the BT705 test both 12V and 24V batteries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The BT705 supports 12V and 24V systems and measures batteries from 100 to 2000 CCA.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I check the alternator with this tester?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It measures charging output and helps distinguish battery issues from alternator faults.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FOXWELL","offers":[{"title":"Default Title","offer_id":48082784583838,"sku":"B01ANF1D7U","price":199.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/foxwell-bt705-front-display.jpg?v=1785814045","url":"https:\/\/northtrailauto.ca\/products\/foxwell-car-battery-tester-12v-24v-bt705-conductance-battery-alternator-tester-with-rugged-clamps-and-case","provider":"North Trail Auto","version":"1.0","type":"link"}