TecMate CTS-121 TestMate Mini Battery and Charging System Analyzer, 12V LED Tester, Battery Clips

TecMate CTS-121 TestMate Mini Battery and Charging System Analyzer, 12V LED Tester, Battery Clips

• TecMate CTS-121 is a TestMate Mini battery and charging system analyzer for vehicles with a 12V starter battery. It uses an 18 LED display to indicate battery voltage, cranking voltage drop, and charging system output so you can identify weak batteries and charging issues quickly without disassembly.
• Features:
  • 18 LED voltage display indicates cranking and charging range from 7V to 15V for quick status checks.
  • On-vehicle testing checks battery voltage, cranking voltage drop, and charging system output without disassembly.
  • Connects directly to the battery terminals to help diagnose starting and charging issues in seconds.
  • Light and water resistant construction supports use outdoors or in a toolbox environment.
  • Removable rear panel supports temporary or permanent mounting for on-road testing when needed.
• Includes:
  • TestMate Mini battery and charging system analyzer
  • Two cable straps
  • Adhesive hook-and-loop straps
  • Screws for mounting the removable backplate
• Specifications:
  • Manufacturer: TecMate
  • Part Number: CTS-121
  • MPN: TS-121
  • UPC: 5425006141864
  • Category: Tools and Shop Equipment
  • Subcategory: Electrical Test Tools
  • Product Type or Function: Battery and charging system analyzer
  • Vehicle System: 12V starter battery systems
  • Display Type: 18 LED indicator display
  • Indicated Voltage Range: 7V to 15V
  • Alternate Part Numbers / Cross References: TS-121, 3807-0245, 38070245
  • System Compatibility or Application: Tester for 12V battery state of charge indication, cranking voltage drop indication, and alternator and regulator charging voltage indication on vehicles with 12V starter battery systems
• The TestMate Mini Battery and Charging System Analyzer can also be referred to as battery analyzer, battery and charging system tester, alternator tester, 12V battery tester, and cranking and charging system tester.

TecMate is a manufacturer of battery chargers, maintainers, testers, and related electrical accessories for automotive and powersports applications. The brand is known for OptiMate and TestMate product lines used to support battery maintenance and diagnostic testing.

Q: What battery systems can TecMate CTS-121 test?
A: It is intended for vehicles and equipment that use a 12V starter battery system.

Q: What does the tester check on the vehicle?
A: It indicates battery voltage, shows the voltage drop during cranking, and indicates charging system voltage once the engine is running.

Q: Does the CTS-121 require disassembly or special tools?
A: No. It is designed for on-vehicle testing by connecting directly to the battery terminals.

Q: Can the tester be mounted for on-road testing?
A: Yes. The rear panel can be removed to use temporary or permanent mounts, and mounting straps and screws are included.