Is it safe to use the BT300 car battery tester and alternator tester?

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.

Is the battery and alternator tester accurate?

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.

Why in-vehicle and out-of-vehicle tests are useful?

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.

Does this battery load tester 12 volt automotive come with data review & printing functions?

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.

Can this battery alternator starter tester work for 6v 12v batteries for cars and motorcycles?

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.

Car Battery Tester 6v 12v Vdiagtool Bt300 Automotive Battery Load

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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¥15707

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Power up your ride with precision — never get stranded again!

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 6 V 12 V 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.

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.

Specifications

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

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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¥15707

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Car Battery Tester 6V 12V VDIAGTOOL BT300, Automotive Battery Load Tester

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Description

Specifications

Common Questions