VDIAGTOOL BT300
VDIAGTOOL BT300
Car Battery Tester
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Description
Description
BT300 battery analyzer works with all 12V batteries (5-3000 CCA) including flooded lead-acid, AGM, GEL, SLA, LSI, and more, across a variety of vehicles such as cars, trucks, motorcycles, RVs, ATVs, boats, and golf carts. Its plug-and-play design features a 2.8” TFT HD display, one-click battery test button, and visual LED indicators (Green: Good, Yellow: Normal, Red: Poor) for quick and easy results. The BT300 performs real-time voltage waveform analysis, charging tests, and cranking tests to assess the vehicle’s battery, starter motor, and alternator performance. It helps detect overcharging or insufficient charging to prevent future issues.
- Duty-free shipping from our overseas warehouses in US, EU, UK, DE, FR, AU.
- Delivery within 2–5 business days.
- Free Shipping Worldwide
- Tax Free
- 3-Year Warranty
- Money-back Guarantee
- Lifetime Technical Support
🔋 Powerful, Accurate & Versatile Battery Testing
The VDIAGTOOL BT300 is a professional-grade battery tester designed for 6V and 12V systems. It supports a wide CCA range (5–3000 CCA), allowing precise diagnostics across a wide variety of battery types including Flooded, AGM, GEL, and SLA – from cars and motorcycles to boats, trucks, and even golf carts. (Note: Not compatible with lithium batteries)
⚡One-click Voltage Waveform & Battery Test
Get instant, precise battery test with this automotive battery tester! This auto battery tester delivers a real-time voltage waveform for ultra-detailed monitoring, while instantly measuring voltage, internal resistance, CCA, SOH, and SOC—all in one test. Whether your battery is in-vehicle or out, this 12v battery tester provides smart, actionable advice (recharge or replace) to prevent unexpected failure. No more guesswork—just fast, accurate result and peace of mind, besides, the useful LED indicators show battery health conditions visually (Green: Good, Yellow: Normal, Red: Poor), supporting 12 languages setting.
🚗Charging & Cranking Tests
Beyond battery testing, this car alternator 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 during testing.
⚙️Plug & Play & Easy To Use & Visualized Led Indicator
Featuring with plug & play style, the BT300 battery and alternator tester comes with a 2.8” large & easy to-view TFT HD display, and a one-key battery test/review/waveform button to start working as you need directly.
📈 Reliable & Fast Results – Over 99.5% Accuracy
Get accurate readings in seconds. With 99.5%+ accuracy, results are stored in memory and can be reviewed on-screen. Want a hard copy? Simply connect to your PC and print.
🌐Support 12 Languages
English, Simplified Chinese, Japanese, Korean, French, German, Polish, Russian, Spanish, Italian, Portuguese, and Dutch, which can help users overcome language barriers and improve diagnostic efficiency.
📞 Warranty & Support You Can Count On
3-Year Manufacturer Warranty
Lifetime Free Updates
Free Global Express Shipping
No Import Duties or Hidden Fees
7️⃣Seven reasons to buy BT300
VDIAGTOOL BT300 Operation Guide
FAQ - BT300
Q1: "Is our tool compatible with lithium batteries?"
Q1: "Is our tool compatible with lithium batteries?"
A1: Not suitable for lithium batteries.
Q2: "Is it safe to use the BT300 car battery tester and alternator tester?"
Q2: "Is it safe to use the BT300 car battery tester and alternator tester?"
A2: VDIAGTOOL BT300 digital 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.
Q3: "Is the battery and alternator tester accurate?"
Q3: "Is the battery and alternator tester accurate?"
A3: 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.
Q4: "Why In-Vehicle and Out-Of-Vehicle Tests are useful?"
Q4: "Why In-Vehicle and Out-Of-Vehicle Tests are useful?"
A4: 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.
Q5: "Does this load tester come with data review & printing functions?"
Q5: "Does this load tester come with data review & printing functions?"
A5: 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.
Q6: "Can this battery alternator starter tester work for 6v 12v batteries for cars and motorcycles?"
Q6: "Can this battery alternator starter tester work for 6v 12v batteries for cars and motorcycles?"
A6: This batteries tester 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.
Q7: "Is the BT300 compatible with all 12V batteries?"
Q7: "Is the BT300 compatible with all 12V batteries?"
A7: The BT300 battery analyzer is compatible with all 12V batteries rated from 5-3000 CCA.
