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Model/PN: TCS-1


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Buy, sell, trade-in or rent JFM TCS-1 (9891007004) Battery Tester.


Avionteq offers both new and refurbished or used JFM 9891007004 Battery Trickle Charger for sale. All refurbished equipment are thoroughly tested and come with our warranty and fresh calibration certificate (when required). You can also sell your excess / surplus JFM 9891007004 or receive trade-in credit towards purchase of other test equipment.


JFM Engineering (9891007004 ) TCS-1 Features and Specifications *

The JFM Engineering TCS-1 is primarily designed to maintain the batteries at full charge while the batteries are in storage (to compensate for the battery self-discharge). It is a low current, constant current/constant voltage charger capable of trickle charging Nickel-Cadmium and Lead-Acid batteries.


  • Power and output indicators
  • Short Circuit Protected
  • 9V to 31V adjustable float voltage
  • Universal power input 
  • 500mA adjustable maximum output current
  • Automatic Constant Current/ Constant Voltage operation
  • Reverse Polarity Protected 


* JFM 9891007004 technical specifications is provided for reference only. Avionteq cannot ensure accuracy of the technical specifications presented herein. The technical data may not relate entirely to all model and versions of the 9891007004 such as the models sold by Avionteq.

Van Nuys Airport (VNY), Van Nuys, CA 91406 USA