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Professional Battery Tester - 12V Automotive Systems, Electronic Load Analyzer - Starter & Alternator Testing, 100–1700 CCA, Digital Voltage Meter, Made in USA, B400 by Tech Professional Service Tools - style: B400

Professional Battery Tester - 12V Automotive Systems, Electronic Load Analyzer - Starter & Alternator Testing, 100–1700 CCA, Digital Voltage Meter, Made in USA, B400 by Tech Professional Service Tools - style: B400

$116.20 USD
$116.20 USD
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Taxes included. Shipping calculated at checkout.

About this item

  • 12V Battery Testing Accuracy: Test battery capacity, life, and health on 12V lead acid batteries from 100–1700 CCA, including flooded, AGM, and GEL types for automotive, truck, marine, golf cart, and deep cycle use with no battery size entry required
  • Starter & Alternator System Analyzer: Offers complete automotive electrical diagnostics, testing starter draw, alternator output, parasitic drain indicators, and charging performance at idle, rev, and load to quickly identify voltage or system issues
  • Simple Load Testing Without Guesswork: Advanced electronic tester design eliminates manual input errors by selecting automotive, truck, or non-auto ranges and delivers fast digital results even on batteries with low charge or unknown capacity
  • Wide Voltage & System Compatibility: All-weather digital meter operates from 5V to 39.9 volts and supports testing of 12V and 24V starting and charging systems in volt mode, making it a versatile analyzer for auto, vehicle, and equipment diagnostics
  • Built for Pro Use in the USA: Heavy-duty clamps, reverse polarity protection, patented circuitry, and a clear LED bar graph display deliver reliable results for professional tools, shops, and technicians who depend on consistent performance
  • The B400 Electrical System Analyzer is warranted to be free of defects in materials and workmanship for a period of two years from the date of purchase. This warranty applies to all repairable instruments that have not been tampered with or damaged through improper use including unauthorized opening of the unit. Please ship warranty units that require repair freight prepaid to Service Center along with proof of purchase, return address, phone number and/or email address.

Overview

  • Brand: Tech Professional Service Tools
  • Power Source: 9v Battery Powered
  • Style: B400
  • Color: Black
  • Min. Operating Voltage: 5 Volts

Low stock: 10 left

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Reviews

  • ⭐⭐⭐⭐⭐

    Michael Turner — Chicago, Illinois

    GarageNest has a practical selection of tools and vehicle-care supplies. The items I ordered were easy to understand, useful for regular maintenance, and simple to organize in my garage. Everything fit naturally into the way I already take care of my vehicle.

  • ⭐⭐⭐⭐⭐

    Daniel Foster — Austin, Texas

    I found several useful garage essentials without having to search through unrelated products. The descriptions made it easier to compare the options, and the tools have been convenient for routine checks and small maintenance projects around the garage.

  • ⭐⭐⭐⭐⭐

    Lauren Mitchell — Denver, Colorado

    I like that the products feel practical without being overly complicated. I picked up a few items for cleaning, inspection, and basic vehicle care, and they have helped make my garage setup more organized and my maintenance routine easier to manage.

  • ⭐⭐⭐⭐⭐

    Jason Reed — Portland, Oregon

    The supplies I ordered fit well into my usual vehicle-care routine. They were straightforward to use, easy to store, and helpful for keeping frequently used tools and maintenance items ready whenever I need them.

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FAQ

What types of products does GarageNest sell?

GarageNest offers automotive maintenance tools, diagnostic equipment, battery accessories, lifting supplies, tire service tools, detailing products, garage organizers, work lights, and workshop safety essentials.

How much does shipping cost?

We generally charge a flat shipping fee of $6.90 per order. Any applicable shipping charge will be displayed at checkout before payment is completed.

How long does order processing take?

Orders are generally processed within 1–3 business days, Monday through Friday, excluding public holidays. Processing may take up to 5 business days during busy periods.

How long will delivery take?

Estimated delivery within the United States is 5–10 business days after processing. International delivery generally takes 10–20 business days. Delivery times are estimates and may vary.

How can I track my order?

Tracking information will be sent to the email address used during checkout when it becomes available. Tracking updates may take approximately 2–5 business days to appear after a shipping label is created.

Can I change or cancel my order?

Please contact us as soon as possible. Orders may be eligible for cancellation or modification within 12 hours only if processing or fulfillment has not started. Changes cannot be guaranteed.

What is your return policy?

Eligible unused and uninstalled products may generally be returned within 30 days of delivery. Products must include their original packaging, components, manuals, and accessories. Prior return authorization is required.

What should I do if my item arrives damaged, defective, or incorrect?

Contact us within 7 days of delivery and include your order number, a description of the issue, and clear photos of the product, packaging, and shipping label. Please keep all original materials until we provide instructions.

How do I know whether a product is compatible with my vehicle?

Review the product description, dimensions, part numbers, voltage requirements, installation details, and compatibility notes before ordering. Compatibility may vary by make, model, year, trim, engine, and previous vehicle modifications.

How can I contact GarageNest customer support?

Email us at livguevictfeit@gmail.com. Please include your order number when your question relates to a purchase. We generally respond within 1–2 business days, Monday through Friday.

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