12V Car Battery Tester Automotive Digital Testing Tool Voltage Analyzer Checker

TOPDON BT300P Your Reliable Battery Doctor

  • Battery Testing Functions: Check the battery health, alternator’s charging, and starter’s cranking conditions with ease.
  • Wide Battery Coverage: 100~2000CCA regular flooded, AGM flat plate, AGM spiral, Gel, and EFB; much wider compared to others on the market.
  • Rating Systems: CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE, GB.
  • Built-in Printer: Access the data in hard-copy form, for better analysis.
  • Premium Quality Copper Clamps: All ABS plastic covered; spark-free.
  • Built-in Protections: Automatically protects your battery from reverse polarity or short circuit.
  • Multilingual Menu: Easy to switch into the language (Russian, Spanish, French, Italian, and German).
  • Quick & Accurate: This reliable battery tester offers results in just 10 seconds.
  • Small & Compact: A brilliant addition to the toolbox for automotive mechanics, 4S repair stores and battery manufactures.

Battery Health Test

Our digital battery testers can help you diagnose faults with direct test results: “GOOD, BAD, REPLACE, or RECHARGE”.

Simply connect the tester to check battery health condition: CCA value/rating, voltage, internal resistance, state of health (SOH), and state of charge (SOC).

Cranking Test

Set this battery tester to cranking test mode and then start the vehicle.

The result will tell if your 12V & 24V electrical system can generate enough power to start the engine.

Charging Test

Use this load tester to routinely check your 12V or 24V charging system of vehicle, to gauge alternator health and troubleshoot charging issues.

Fast & Accurate

No more lagging behind and false test results. This 12V battery tester runs super-fast and adopts cutting-edge conductance testing technology for 99.5% accuracy.

Shop-Quality Battery Tester

This car battery tester is a handy tool to ensure your batteries are always working at an optimum level. Worthy as an addition to the toolbox collection for automotive mechanics, 4S repair stores and battery manufactures.

Made to Last Long

This automotive load tester comes with a great carrying bag, which fits the unit itself quite well to provide extra protection against bumps or accidents, and is dust-proofing. It is also perfect to store in your glove box.

For a Better User Experience

This advanced battery tester will automatically turn on as soon as being connected, welcoming you with a bright and nicely pixelated 2.4” color screen. It will present quality test result that is quick to read in a dark garage, under the hood, or even under natural daylight.

More, the built-in printer is there when you feel the need to attach a printout to a work order. You can print the test result out directly, share it with your customers or keep the printing records for future reference.

Never worry about running out of ink as it is the thermal printer.

**NOTE: the printer is ONLY available when the battery voltage is over 9.5V.

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