BT900 Battery & Electrical System Tester

BT900 Battery & Electrical System Tester

Multifunctional



Comprehensive

Internal Resistant Measurement

Lead-Acid/AGM/GEL/EFB

Professional Battery Tester for Automotive Applications

The CSP BT900 Battery Tester is a powerful, reliable, and easy-to-use diagnostic tool designed for both professionals and vehicle owners. With comprehensive testing capabilities and a built-in thermal printer, it delivers fast, accurate results for battery, cranking, and charging system evaluations. Whether in a workshop or in the field, the BT900 helps you make informed decisions about battery maintenance and replacement.


Key Features

Battery, Cranking, and Charging System Testing

  • Compatible with 12V batteries and Start-Stop battery systems

  • Performs cranking and charging system tests on 12V and 24V systems

  • Includes internal resistance (IR) testing

Clear LCD Display

  • 4-line display with adjustable brightness for clear visibility in any lighting condition

Built-in Thermal Printer

  • Equipped with a 2-inch thermal printer

  • Easy-load paper design for quick replacement

Start-Stop Battery Support

  • Accurately tests modern Start-Stop battery technologies

In-Vehicle Test Capability

  • Combines battery and system diagnostics into a single test

  • Provides complete printed test reports

Temperature Compensation

  • Adjusts automatically for testing in environments above or below 0°C (32°F)

Data Storage and Review

  • Stores previous test results for tracking battery health over time

  • Supports result analysis and reporting

Date and Time Function

  • Internal battery keeps date and time for accurate printed records

Customizable Printouts

  • Allows editing of printed information to include company name or notes

Portable Design

  • Slim and lightweight construction with protective rubber boot

  • Ideal for mobile and workshop use

Print Last Result Function

  • Reprint the most recent test result without re-testing

Back Function Key

  • Easy navigation with the option to return to the previous step by holding the Enter key


Product Specifications

  • Model Number: BT900

  • Applications: 12V battery / 12V Start-Stop battery test / 12V & 24V cranking and charging system test / IR test

  • Display: 4-line LCD with adjustable brightness

  • Printer: Built-in 2” thermal printer

  • Supported Battery Types: Flooded, VRLA/GEL, AGM Flat, AGM Spiral, EFB

  • Battery Ratings Supported: CCA/SAE, EN, JIS, DIN, IEC, CA/MCA

  • Operating Range: 40 ~ 2,000 CCA (SAE)

  • Voltage Range: 8V ~ 31.5V

  • Dimensions: 250mm (L) x 130mm (W) x 45mm (H)

  • Languages: English, French, Spanish, German, Italian, Portuguese


Related Product

BT-400 Battery Tester
A compact and efficient solution for quick and reliable battery diagnostics.


Why Choose the BT900?

  • Delivers precise and detailed testing for modern vehicle batteries and systems

  • Easy to operate, with real-time printouts and data tracking

  • Built for durability and portability, ideal for busy workshops or mobile technicians

  • Supports multiple languages for global use