{"product_id":"kaiheng-battery-load-tester-6-8-12-16-24v-digital-voltmeter-with-alligator-clips-fixed-100a-50a-load","title":"KAIHENG Battery Load Tester — 6\/8\/12\/16\/24V Digital Voltmeter with Alligator Clips, Fixed 100A\/50A Load","description":"\u003cb\u003eThe KAIHENG Battery Load Tester is a handheld tool that performs load tests and charging-system checks on 6–24V batteries to quickly determine battery health and starter draw.\u003c\/b\u003e\n\n\u003cp\u003eThis compact diagnostic unit combines a digital voltmeter, fixed-load circuitry and heavy-duty alligator clips to simulate starter motor demand and reveal weak or failing batteries. Built for DIY mechanics and professional technicians alike, it delivers a clear pass\/fail assessment, measures voltage with ±0.2V accuracy and supports common vehicle battery voltages. The sturdy housing, ventilated design and insulated handle make bench and roadside checks safer and easier.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the tester simulate real starter load?\u003c\/h3\u003e\n\u003cp\u003eThe KAIHENG tester applies a fixed high-current draw to the battery for a short duration to mimic the stress of engine cranking. That temporary discharge shows whether voltage collapses under load, which is an effective indicator of battery condition without requiring engine starts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFixed-load current up to 100 A for 12V batteries and 50 A for 6V batteries.\u003c\/li\u003e\n  \u003cli\u003eHold the load for up to 10 seconds to observe voltage response.\u003c\/li\u003e\n  \u003cli\u003eClear digital voltmeter shows voltage during and after the load.\u003c\/li\u003e\n  \u003cli\u003eAlligator clips with color-coded grips ensure correct polarity and secure contact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat vehicle types and battery voltages does it support?\u003c\/h3\u003e\n\u003cp\u003eThis tester works across a broad range of small to medium vehicle batteries, making it useful in garages, workshops and for roadside diagnosis. It handles common lead-acid systems and is suitable for cars, motorcycles, SUVs, pickups, RVs and boats.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible voltages: 6 V, 8 V, 12 V, 16 V and 24 V systems.\u003c\/li\u003e\n  \u003cli\u003eCommon applications: passenger cars, light trucks, motorcycles and marine batteries.\u003c\/li\u003e\n  \u003cli\u003ePortable enough for field service or home garage use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety and durability features protect the user and the device?\u003c\/h3\u003e\n\u003cp\u003eSafety is built into the design with insulated grips, a ventilated housing and an ergonomically placed carrying handle. These features reduce risk during testing and help prevent overheating during short load cycles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInsulated red\/black rubber grips on copper alligator clips for safe, reliable connections.\u003c\/li\u003e\n  \u003cli\u003ePerforated housing for ventilation and heat dissipation during testing.\u003c\/li\u003e\n  \u003cli\u003eTop-mounted insulated handle for secure transport and positioning.\u003c\/li\u003e\n  \u003cli\u003eRobust construction suited for frequent workshop use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I interpret the results and what can I test beyond the battery?\u003c\/h3\u003e\n\u003cp\u003eRead the digital voltmeter while the load is applied to see if voltage falls below acceptable levels for the battery type; a significant voltage drop usually signals a weak cell or reduced capacity. You can also use the unit to observe charging system behavior with the engine running to detect alternator or regulator issues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare measured voltage under load to battery specifications to judge condition.\u003c\/li\u003e\n  \u003cli\u003eUse the tester to confirm alternator output and charging stability while engine idling.\u003c\/li\u003e\n  \u003cli\u003eStarter motor current draw is simulated so you can infer starter-related issues.\u003c\/li\u003e\n  \u003cli\u003eVoltage accuracy of ±0.2V helps you make consistent pass\/fail decisions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The KAIHENG Battery Load Tester is aimed at home mechanics, mobile technicians and small repair shops that need a reliable, portable way to check battery condition and charging systems without expensive shop equipment. It’s also useful for fleet managers and boat owners who want quick on-site verification of battery health before a trip.\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 this tester check both 6V and 12V batteries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It supports 6V and 12V batteries (and also 8V, 16V and 24V systems) with appropriate fixed-load settings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long should I apply the load when testing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Apply the load for up to 10 seconds to safely simulate starter draw and observe the voltage response.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KAIHENG","offers":[{"title":"Default Title","offer_id":48085809692830,"sku":"B0BK7X2GSK","price":45.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/kaiheng-front-panel.jpg?v=1785877611","url":"https:\/\/northtrailauto.ca\/products\/kaiheng-battery-load-tester-6-8-12-16-24v-digital-voltmeter-with-alligator-clips-fixed-100a-50a-load","provider":"North Trail Auto","version":"1.0","type":"link"}