Battery Tester BT300P - TOPDON –
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Topdon BT300P

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TOPDON BT300P is an advanced battery tester with a built-in thermal printer, so you can quickly print test reports. It can test 100 to 2000 Cold Cranking Amps (CCA) batteries. It's compatible with Flooded, AGM, GEL, and EFB batteries; and has accredited standards including CCA, JIS, EN, DIN, SAE, and IEC. The BT300P is able to test a battery's actual CCA value, state of health, cranking system, and charging system. Designed with advanced technologies in conductivity, and high-grade rugged materials, it's perfect for both the shop mechanic or DIY gearhead to test accurately and safely. You should Choose a reliable product for your repair work.


1. Portable, Reliable, Durable, and Tested – Just Like You!

Weighing only a little more than 1 lb., TOPDON®’s BT 300P works on the go just like you. Be prepared to make that service call on the road, or at a garage. Test that battery, get accurate results, and don’t miss a step in your life. 

2. Professional Research & Technology. Professional Results.

TOPDON®’s BT 300P represents the culmination of years in research, testing, and refinement – all with you, the professional or amateur enthusiast in mind. We’re proud to bring you a product that represents the best in safety, accuracy, and results.

3. Comprehensive & Versatile Battery Coverage

  • Compatible with 4 battery types: Flooded, AGM, GEL, and EFB.
  • Accredited for 10 battery standards: CCA (100 to 2000), CA, BCI, MCA, DIN, IEC, EN, SAE, JIS, and GB

4. Test it, Print Now, and Have It Ready when You Need It

The BT 300P has a built-in printer that can prints test results within seconds. Whether you’re a professional providing service and documentation, or a meticulous car expert keeping a battery log, we know you’ll appreciate printing and having test results.

5. Quick Start, Intuitive, Friendly, and Step-by-Step

What more is there to say? TOPDON®’s BT 300P is easy to use even for someone who has never tested batteries before. Its 2.4” attractive color display also sets it apart from other testers in its class. What’s better than an effective tool? How about one that’s always a pleasure to work with?<

6. All the Extras are Included – Care You, All Aspects

  • Multi-Language Support
  • High Quality, Light Weight, Wear-Resistant Storage Bag
  • 3 Free Rolls of Standard Printing Paper


  • Working Voltage: @DC 9V~30V
  • Display: 2.4’Colour
  • Cable Length: 31.5 inches
  • Working Temperature: -10℃ to 55℃
  • Storage Temperature: -20℃ to 75℃
  • Dimension: 8.19*3.94*1.49 inches
  • Weight: 16.76 oz
  • CCA: 100-2000
  • Battery Type: Flooded/AGM/GEL/EFB
  • Battery Standard: CCA/CA/BCI/MCA/DIN/IEC/EN/SAE/JIS/GB


  • 1*BT300P
  • 1*Carrying Bag
  • 1*User Manual
  • 3*Printer Paper


Topdon BT300P
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