--- product_id: 602833727 title: "Car Battery Tester 6V 12V VDIAGTOOL BT300, Automotive Battery Load Tester" brand: "vdiagtool" price: "$99.65" currency: USD in_stock: true category: "Vdiagtool" url: https://www.desertcart.us/products/602833727-car-battery-tester-6v-12v-vdiagtool-bt300-automotive-battery-load store_origin: US region: United States of America --- # Cranking & charging system test Real-time voltage waveform 5-3000 CCA range Car Battery Tester 6V 12V VDIAGTOOL BT300, Automotive Battery Load Tester **Brand:** vdiagtool **Price:** $99.65 **Availability:** ✅ In Stock ## Summary > 🔧 Power up your ride with precision — never get stranded again! ## Quick Answers - **What is this?** Car Battery Tester 6V 12V VDIAGTOOL BT300, Automotive Battery Load Tester by vdiagtool - **How much does it cost?** $99.65 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/602833727-car-battery-tester-6v-12v-vdiagtool-bt300-automotive-battery-load) ## Best For - vdiagtool enthusiasts ## Why This Product - Trusted vdiagtool brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bluetooth & App Integration:** Track, record, and print detailed diagnostics—perfect for pros managing multiple vehicles or enthusiasts who demand data-driven maintenance. - • **Smart LED Health Indicators:** Green, yellow, red alerts give you instant visual cues on battery condition—stay ahead of breakdowns effortlessly. - • **Lab-Grade Accuracy in Seconds:** 99.99% precision with instant results on a crisp 2.8" HD TFT display—no more guesswork, just confidence. - • **Universal 6V/12V Compatibility:** One tester for cars, motorcycles, trucks, SUVs, ATVs, and boats—versatility that keeps you ready for any ride. - • **Comprehensive Battery & System Analysis:** Checks voltage, load, internal resistance, SOC, SOH, CCA, plus starter and alternator health for total power assurance. ## Overview The VDIAGTOOL BT300 is a professional-grade, compact car battery tester compatible with 6V and 12V lead-acid batteries ranging from 5 to 3000 CCA. It delivers ultra-fast, lab-accurate diagnostics including voltage, load, internal resistance, and cranking/charging system tests. Featuring a bright 2.8" HD display, smart LED indicators, and Bluetooth connectivity for data tracking, it’s designed for both professional mechanics and savvy vehicle owners to prevent unexpected battery failures across cars, motorcycles, trucks, SUVs, ATVs, and boats. ## Description Buy Car Battery Tester 6V 12V VDIAGTOOL BT300, Automotive Battery Load Tester | 5-3000 CCA AGM GEL Lead-Acid Digital Auto Battery Analyzer Starter Alternator Checker for Car Motorcycle SUV, Color Screen: Battery Testers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - 【KNOW YOUR BATTERY BEFORE IT DIES】Why risk being stranded? Test your car battery like a Pro today! BT300 car battery tester is your ultimate 6V/12V battery diagnostic solution for car, motorcycle. This professional-grade automotive battery tester delivers instant, comprehensive analysis - checking voltage, load, internal resistance, ripple, SOC, SOH, CCA and charging/cranking performance - all before battery failure strikes. All you need is just a powerful car battery load tester 12v automotive! - 【WIDE COMPATIBILITY】Universal 6V/12V Battery Testing Made Simple! The BT300 battery tester automotive works with virtually any lead-acid battery (VRLA or SLA), AGM, GEL, EFB from 5-3000 CCA - perfect for car, motorcycle, truck, SUV, boat and more. Enjoy precision adjustments with flexible CCA settings (±5 or ±50) for ultra-accurate results. One 12 volt car battery tester for all your vehicles - accurate, fast & reliable! (Note: Not compatible with Lithium Battery or Golf Cart Deep Cycle Battery) - 【RELIABLE BATTERY TESTERS】Get instant, precise battery test with 12v auto battery tester! This digital battery analyzer delivers a real-time voltage waveform for detailed monitoring, while instantly measuring voltage, internal resistance, CCA, SOH, and SOC—all in one test. Whether your battery is in-vehicle or out, the 6 volt car battery tester provides smart, actionable advice (recharge or replace) to prevent unexpected failure. No more guesswork—just fast, accurate result and peace of mind. - 【CRANKING & CHARGING TEST】Beyond battery testing, this car battery tester and alternator starter tester performs cranking test to check whether the starter motor is cranking properly or not and charging test of the alternator to prevent overcharge or incomplete charge. No more surprise breakdowns - just reliable power when you need it most. For accurate results, please simply turn off all electrical devices and ensure correct battery type, standard, CCA value during testing. - 【FAST TEST & 99.99% ACCURACY】Get lightning-fast, lab-grade accuracy with this battery analyzer tester – delivering reliable result with 99.99% precision in seconds! The plug & play battery checker tester features a 2.8" HD TFT display for crystal-clear reading, one-touch testing/review/waveform analysis, and intuitive LED health indicators (Green=Good, Yellow=Normal, Red=Poor). Connect the small car battery tester with the computer for printing – perfect for quick diagnostic or detailed report. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CR6DT7RS | | Best Sellers Rank | #117,705 in Automotive ( See Top 100 in Automotive ) #132 in Battery Testers | | Brand Name | VDIAGTOOL | | Color | Black | | Compatible Devices | car, motorcycle, truck, SUV, ATV, boat | | Customer Reviews | 4.5 4.5 out of 5 stars (448) | | Included Components | VDIAGTOOL BT300 car battery tester*1 | | Item Dimensions | 6.45 x 3.35 x 0.96 inches | | Item Highlight | 5-3000 CCA AGM GEL Lead-Acid Digital Auto Battery Analyzer Starter Alternator Checker for Car Motorcycle SUV, Color Screen | | Item Weight | 0.43 kg | | Manufacturer | VDIAGTOOL | | Measurement Type | Multimeter | | Minimum Operating Voltage | 12 volts | | Model | BT300 | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | VDT-BT300 | | Power Source | Plug and Play, Powered By Car Batteries, No Need for Charging | | Style Name | Compact | | Warranty Description | 3-YEAR WARRANTY | ## Product Details - **Brand:** VDIAGTOOL - **Color:** Black - **Item Weight:** 0.43 kg - **Power Source:** Plug and Play, Powered By Car Batteries, No Need for Charging - **Style:** Compact ## Images ![Car Battery Tester 6V 12V VDIAGTOOL BT300, Automotive Battery Load Tester - Image 1](https://m.media-amazon.com/images/I/61uL5tsBXQL.jpg) ## Questions & Answers **Q: Is it safe to use the BT300 car battery tester and alternator tester?** A: VDIAGTOOL BT300 6 volt battery tester safeguards your battery and most importantly vehicle electronic systems with 4 protection modes: Reverse Polarity Protection, Over Temperature Protection, Short Circuit Protection and Over Current Protection. **Q: Is the battery and alternator tester accurate?** A: The BT300 car battery load tester 12v is quite accurate for lead acid batteries with accuracy up to 99.99%. You can also visually see the changes in voltage through the real-time waveform to make a more accurate judgment on the status of the battery. **Q: Why in-vehicle and out-of-vehicle tests are useful?** A: Test batteries in vehicle and out of vehicle can meet different needs. In-vehicle testing helps evaluate how it performs within the vehicle's electrical system, and out-of-vehicle testing more accurately assesses the battery's condition & capacity. **Q: Does this battery load tester 12 volt automotive come with data review & printing functions?** A: Just connect the small battery tester with the computer and the Data Printing function allows printing out battery testing results and/or voltage waveform records saved on the battery testers. **Q: Can this battery alternator starter tester work for 6v 12v batteries for cars and motorcycles?** A: This car battery checker works on all 6v 12V batteries with ratings 100-3000 CCA, including Flooded lead-acid battery (VRLA or SLA), AGM, GEL, SLA, STANDARD LSI battery for cars, light duty trucks, SUVs, vans, motorcycles, RVs, ATVs, trailers, boats. ## Frequently Bought Together - VDIAGTOOL BT300 Car Battery Tester 6V 12V, 5-3000 CCA Load Tester Starter Alternator Tester Automotive Charging Cranking System Tester for Motorcycle Car Truck SUV ATV Boat - VDIAGTOOL V200 Pro Automotive Power Circuit Probe Tester Breaker Finder Tool, 12/24V Electrical Open Short Circuit Finder, Wire Tracer, AC DC Voltage Trailer Relay Fuse Test - VDIAGTOOL Bidirectional Scan Tool VD70, OBD2 Scanner Diagnostic Tool with ECU Coding, 36+ Resets, PMI, FCA AutoAuth, All System, CAN FD & DoIP, V.A.G. 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