Why do my test results change every time I test?

Changing test results can be caused by inputting incorrect battery parameters, such as the battery type, CCA value, or testing under different conditions.

Does it works for golf cart battery ?

Yes, but not for 6V, AAA batteries and lithium battery.

Does this product come with a battery charger included?

No, The product does not come with a wall charger, as it is powered directly by a 12V vehicle battery.

Does BT300 car battery tester can test Alternator?

Yes, it can test 12V Alternator but not 24V Alternator.

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Battery Load Tester 12v Automotive, Car Battery Tester and Alternator Tester for Vehicles, 20-2000 CCA Battery Checker Charging Cranking System Analyzer for 24v Truck, Boat, RV, ATV, Motorcycle, BT300

Battery Load Tester 12v Automotive, Car Battery Tester and Alternator Tester for Vehicles, 20-2000 CCA Battery Checker Charging Cranking System Analyzer for 24v Truck, Boat, RV, ATV, Motorcycle, BT300

Product ID: 659601290

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Details

Brand
TopDiag
Power Source
Corded
Style
BT300
Color
Black
Item Weight
0.36 Kilograms

⚡Accurate battery & alternator diagnosis

🔄USB software updates for latest features

🔋12V/24V universal compatibility

Description

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

COMPREHENSIVE SYSTEM TESTING - Simultaneously checks battery, starting system, and charging system to ensure your vehicle runs flawlessly every time.
FUTURE PROOF WITH USB UPDATES - Stay ahead with easy software upgrades via USB, unlocking new features and enhanced compatibility as automotive tech evolves.
UNIVERSAL BATTERY COMPATIBILITY - Tests all major 12V/24V automotive batteries including AGM, gel, and lead-acid types for ultimate versatility.
USER FRIENDLY FOR PROS DI YERS - Clear backlit LCD and one-button operation make professional-grade testing accessible to everyone—no mechanic required.
PRECISION DIAGNOSTICS IN 10 SECONDS - Intelligent chip technology delivers fast, reliable battery health, charge status, and cranking system analysis—no guesswork needed.

The TopDiag BT300 Battery Load Tester is a professional-grade diagnostic tool designed for 12V and 24V automotive batteries. It supports a wide range of battery types and standards, delivering fast and accurate readings of battery health, charge status, and cranking performance. With USB-enabled software updates and a user-friendly interface, it’s perfect for both mechanics and DIY enthusiasts aiming to maintain peak vehicle performance.

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

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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TrustScore 4.5 | 7,300+ reviews