{"product_id":"aviehast-professional-4-wire-internal-resistance-voltage-tester","title":"AvieHast Professional 4-Wire Internal Resistance \u0026 Voltage Tester","description":"\u003cspan\u003eTesting Frustrations\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eInconsistent battery readings\u003cspan\u003ecompromise your power systems.\u003c\/span\u003e\n\u003c\/h2\u003e\u003ch3\u003eLead Resistance Bias\u003c\/h3\u003e\u003cp\u003eStandard two-wire testers include the resistance of the leads themselves, giving you false internal resistance data that ruins your diagnostics.\u003c\/p\u003e\u003ch3\u003eSlow Manual Sorting\u003c\/h3\u003e\u003cp\u003eManually checking hundreds of cells is a bottleneck. Without automated thresholds, quality control becomes a tedious, error-prone guessing game.\u003c\/p\u003e\u003ch3\u003eZero Data Traceability\u003c\/h3\u003e\u003cp\u003eIf you can't log it, you can't analyze it. Most testers leave you without any historical records for trend analysis or performance documentation.\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWhat if testing was\u003c\/span\u003elab-grade \u0026amp; automated?\u003c\/p\u003e\u003cspan\u003eExplore AvieHast Tech\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eRobert from Texas\u003c\/p\u003e\u003cp\u003ePurchased AvieHast Tester\u003c\/p\u003e\u003cp\u003e12 minutes ago\u003c\/p\u003e\u003cp\u003eSolarTech Labs\u003c\/p\u003e\u003cp\u003ePurchased Bulk Testing Bundle\u003c\/p\u003e\u003cp\u003e45 minutes ago\u003c\/p\u003e\u003cp\u003eAlex from Berlin\u003c\/p\u003e\u003cp\u003ePurchased AvieHast Pro Kit\u003c\/p\u003e\u003cp\u003e1 hour ago\u003c\/p\u003e\u003cspan\u003eThe Solution\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003ePrecision diagnostics,\u003cbr\u003e\u003cspan\u003efor every battery type\u003c\/span\u003e\n\u003c\/h2\u003e\u003cp\u003eAvieHast utilizes True Four-Wire (Kelvin) Technology to eliminate lead interference, delivering 0.5% accuracy and simultaneous dual-display for voltage and internal resistance.\u003c\/p\u003e\u003cspan\u003eStandard Testers\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eUnreliable Data\u003c\/h3\u003e\u003cspan\u003eInaccurate resistance from lead interference\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eConstant switching between V and R modes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eManual sorting of individual battery cells\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eNo way to export data for PC analysis\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWith AvieHast\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eProfessional Precision\u003c\/h3\u003e\u003cspan\u003eTrue Kelvin 4-wire laboratory accuracy\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSimultaneous Dual-Display technology\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSmart sorting with custom thresholds\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eType-C data logging and PC export\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e0.5% Precision\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSmart Sorting\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eData Logging\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1000mAh Battery\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eGet AvieHast Today\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAdvanced Diagnostics\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eEverything professionals need\u003cspan\u003ein one handheld device\u003c\/span\u003e\n\u003c\/h2\u003e\u003cspan\u003eKelvin Tech\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eTrue Four-Wire Measurement\u003c\/h3\u003e\u003cp\u003eOur advanced Kelvin measurement system bypasses the resistance of the testing leads entirely. This ensures that the internal resistance reading reflects the battery's health, not the cable's length.\u003c\/p\u003e\u003cspan\u003eEliminates lead resistance interference\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e0.1V resolution for high-detail testing\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAutomatic and manual gear selection\u003c\/span\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/8239\/9129\/files\/1f9257-52ff-8a3e-e9ed390b3b54.jpg?v=1779272180\"\u003e\u003cbr\u003e\u003cspan\u003e0.5% Acc.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eEfficiency\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eIntelligent Smart Sorting\u003c\/h3\u003e\u003cp\u003eTransform your workflow with built-in sorting logic. Define your voltage and resistance thresholds, and the AvieHast will automatically categorize batteries as 'Good' or 'Bad' in real-time.\u003c\/p\u003e\u003cspan\u003eUser-defined pass\/fail thresholds\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSpeeds up bulk quality control\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eVisual backlit screen indicators\u003c\/span\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/8239\/9129\/files\/4aa7bc-69c2-3e37-a12792c4b0e1.jpg?v=1779272240\"\u003e\u003cbr\u003e\u003cspan\u003eVersatility\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eUniversal Chemistry Support\u003c\/h3\u003e\u003cp\u003eWhether you are testing lithium-ion, lead-acid, solar arrays, or vehicle batteries, AvieHast covers the full spectrum. It is the one tool for electronics, automotive, and industrial uses.\u003c\/p\u003e\u003cspan\u003eLithium \u0026amp; Lead-Acid compatible\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDC range from 0V up to 100V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSimultaneous R \u0026amp; V dual display\u003c\/span\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/8239\/9129\/files\/b9af02-20d0-5d1d-818043b49ac8.jpg?v=1779272293\"\u003e\u003cbr\u003e\u003cspan\u003eUser Manual\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003ePrecision testing,\u003cspan\u003esimplified for you\u003c\/span\u003e\n\u003c\/h2\u003e\u003ch3\u003eConnect Kelvin Leads\u003c\/h3\u003e\u003cp\u003eAttach the true four-wire leads to your battery terminals. The device automatically initiates the 4-wire measurement protocol.\u003c\/p\u003e\u003ch3\u003eInstant Dual Reading\u003c\/h3\u003e\u003cp\u003eView both internal resistance and voltage simultaneously on the backlit screen. No mode switching is required.\u003c\/p\u003e\u003ch3\u003eExport and Analyze\u003c\/h3\u003e\u003cp\u003eConnect via Type-C cable to your computer to export logged data for trend analysis or maintenance reports.\u003c\/p\u003e\u003cspan\u003eStart Professional Testing\u003c\/span\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/8239\/9129\/files\/589df0-85a0-9d61-2f66f881d918.jpg?v=1779272320\"\u003e\u003cbr\u003e\u003cp\u003eSystem Active\u003c\/p\u003e\u003cp\u003e100.0V Range — 0.5% Accuracy\u003c\/p\u003e\u003cspan\u003eProduct Views\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eEngineered for\u003cspan\u003eworkshop durability\u003c\/span\u003e\n\u003c\/h2\u003e\u003cp\u003eCompact, rechargeable, and built to withstand temperatures from -10°C to +45°C. See the professional-grade build of AvieHast.\u003c\/p\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1515488042361-ee00e0ddd4e4?w=600\u0026amp;h=600\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1544126592-807ade215a0b?w=600\u0026amp;h=600\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1519689680058-324335c77eba?w=600\u0026amp;h=600\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1555252333-9f8e92e65df9?w=600\u0026amp;h=600\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1489710437720-ebb67ec84dd2?w=600\u0026amp;h=600\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cspan\u003e50% OFF Today\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eAvieHast Voltage Tester\u003c\/h3\u003e\u003cp\u003eProfessional 4-Wire Resistance \u0026amp; Voltage Meter\u003c\/p\u003e\u003cspan\u003e4.9\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e(1,154 reviews)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTrue Four-Wire (Kelvin) Tech\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSmart Battery Sorting Mode\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eType-C PC Data Export\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e0-100V Measurement Range\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAdd to Cart\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFree Shipping\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2-Year Warranty\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe Accuracy Gap\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eWhy technicians choose\u003cspan\u003eAvieHast\u003c\/span\u003e\n\u003c\/h2\u003e\u003cspan\u003eSlide to compare specs\u003c\/span\u003e\u003cbr\u003e\u003cth\u003eMeasurement Spec\u003c\/th\u003e\u003cspan\u003eAvieHast\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBasic Multimeter\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eGeneric Testers\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eMeasurement Type\u003c\/td\u003e\u003cspan\u003eTrue 4-Wire\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2-Wire\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2-Wire\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eDual V\/R Display\u003c\/td\u003e\u003cspan\u003eSimultaneous\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSwitch Mode\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eAccuracy Rating\u003c\/td\u003e\u003cspan\u003e1.5% - 3.0%\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eSmart Sorting\u003c\/td\u003e\u003cspan\u003eNone\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eData Logging\u003c\/td\u003e\u003cspan\u003eNone\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eCalibration\u003c\/td\u003e\u003ctd\u003ePC Export\u003c\/td\u003e\u003ctd\u003ePrice\u003c\/td\u003e\u003cspan\u003e9\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e-\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e0-0\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eLimited Offer\u003c\/p\u003e\u003cp\u003e9\u003cspan\u003eSavings Today\u003c\/span\u003e\u003c\/p\u003e\u003cspan\u003eUpgrade My Workshop\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eProfessional Feedback\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eTrusted by engineers\u003cspan\u003eworldwide\u003c\/span\u003e\n\u003c\/h2\u003e\u003cdiv\u003e4.9\u003c\/div\u003e\u003cp\u003eBased on 1,154+ reviews\u003c\/p\u003e\u003cspan\u003e99% recommend for precision\u003c\/span\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/8239\/9129\/files\/215a97-9b4b-7356-92e0d2b45c5d.jpg?v=1779271929\"\u003e\u003cbr\u003e\u003cp\u003e@e*****r\u003c\/p\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/8239\/9129\/files\/db0c04-bfc7-bbe6-e16843653cd8.jpg?v=1779271914\"\u003e\u003cbr\u003e\u003cp\u003e@t*****h\u003c\/p\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/8239\/9129\/files\/a40eb3-cfa6-d309-e7a96877254f.jpg?v=1779271922\"\u003e\u003cbr\u003e\u003cp\u003e@m*****c\u003c\/p\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/8239\/9129\/files\/f9f4d7-4e54-1c2b-bcc533bc4e68.jpg?v=1779271932\"\u003e\u003cbr\u003e\u003cp\u003e@s*****p\u003c\/p\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/8239\/9129\/files\/0e25f5-fd0d-634b-0a7117cba84b.jpg?v=1779271935\"\u003e\u003cbr\u003e\u003cp\u003e@j*****o\u003c\/p\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/8239\/9129\/files\/a1e8e8-ab1d-5ce9-ae8056149362.jpg?v=1779271937\"\u003e\u003cbr\u003e\u003cp\u003e@b*****y\u003c\/p\u003e\u003cp\u003e\"The 4-wire Kelvin tech is legitimate. I've cross-referenced readings with my benchtop equipment and it's spot on. The sorting function saved us weeks of work on our solar refurbishment project.\"\u003c\/p\u003e\u003cspan\u003eTH\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eThomas H.\u003c\/p\u003e\u003cspan\u003eVerified Professional\u003c\/span\u003e\u003cbr\u003e\u003cp\u003e\"Finally, a tester that shows voltage and resistance on the same screen. The data logging via Type-C makes reporting to clients so much more professional. Worth every penny.\"\u003c\/p\u003e\u003cspan\u003eMK\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eMarcus K.\u003c\/p\u003e\u003cspan\u003eVerified Professional\u003c\/span\u003e\u003cbr\u003e\u003cp\u003e\"Solid build quality. It handles a wide range of chemistries which is perfect for my EV conversion shop. Accurate, fast, and the battery life is impressive.\"\u003c\/p\u003e\u003cspan\u003eSL\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eSteven L.\u003c\/p\u003e\u003cspan\u003eVerified Professional\u003c\/span\u003e\u003cbr\u003e\u003cp\u003e4.9\u003c\/p\u003e\u003cp\u003eAvg. Accuracy Rating\u003c\/p\u003e\u003cp\u003e5,000+\u003c\/p\u003e\u003cp\u003eUnits in Service\u003c\/p\u003e\u003cp\u003e99%\u003c\/p\u003e\u003cp\u003ePro Satisfaction\u003c\/p\u003e\u003cp\u003e0.5%\u003c\/p\u003e\u003cp\u003eMax Error\u003c\/p\u003e\u003cp\u003e2-YEAR\u003c\/p\u003e\u003ch3\u003e2-Year Professional Warranty\u003c\/h3\u003e\u003cp\u003eWe stand by the precision of AvieHast. If your unit deviates from its accuracy specifications or suffers any hardware failure within two years, we will replace it immediately. Your success depends on our data.\u003c\/p\u003e\u003ca\u003eShop AvieHast\u003c\/a\u003e\u003cbr\u003e\u003cspan\u003eTech Specs FAQ\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eTechnical support \u0026amp;\u003cspan\u003especifications\u003c\/span\u003e\n\u003c\/h2\u003e\u003cspan\u003eWhat is the benefit of 4-wire measurement?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eStandard 2-wire testing includes the resistance of the cables in the measurement. Our 4-wire Kelvin technology uses two leads to provide current and two separate leads to sense voltage, completely removing the test lead resistance from the final reading for extreme accuracy.\u003c\/p\u003e\u003cspan\u003eWhich battery types are supported?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eAvieHast is compatible with a wide range of battery chemistries, including Lithium (Li-ion, LiFePO4), Lead-Acid, Ni-MH, Ni-Cd, and various automotive\/vehicle batteries up to 100V.\u003c\/p\u003e\u003cspan\u003eHow does the smart sorting function work?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eYou can program high and low thresholds for both voltage and internal resistance. When a battery is measured, the device instantly compares it against your settings to categorize it, making bulk sorting much faster.\u003c\/p\u003e\u003cspan\u003eCan I calibrate the device myself?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eYes. AvieHast features a user-accessible calibration mode that allows you to fine-tune the device over time to ensure it maintains its 0.5% accuracy rating throughout its lifetime.\u003c\/p\u003e\u003cspan\u003eHow do I export the test data?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eThe device includes a built-in data logging feature. Simply connect the AvieHast to your PC using the included USB Type-C cable to download historical records for analysis in spreadsheet or database software.\u003c\/p\u003e\u003cspan\u003eIs it durable enough for workshop use?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eAbsolutely. It is designed to operate in temperatures from -10°C to +45°C and features a rugged handheld design. The 1000mAh internal battery is rechargeable and built for long-term daily use.\u003c\/p\u003e\u003ch2\u003ePrecision testing starts today\u003c\/h2\u003e\u003cp\u003eJoin thousands of engineers who rely on AvieHast for laboratory-level accuracy in the field. Stop guessing and start measuring.\u003c\/p\u003e\u003cspan\u003eClaim 50% Off Now\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFree Shipping\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2-Year Warranty\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e0.5% Accuracy\u003c\/span\u003e","brand":"DiagPulse","offers":[{"title":"HRM10","offer_id":47577137250457,"sku":"SHO01183064-HRM10","price":298.0,"currency_code":"USD","in_stock":false},{"title":"Set","offer_id":47577137283225,"sku":"SHO01183064-set","price":378.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/8239\/9129\/files\/avie-hast-img-03.jpg?v=1779176173","url":"https:\/\/www.diagpulse.com\/products\/aviehast-professional-4-wire-internal-resistance-voltage-tester","provider":"DiagPulse","version":"1.0","type":"link"}