Battery Analyzer
Fluke BT521

The Fluke BT521 Battery Analyzer is the ideal tool for maintenance, troubleshooting, and performance testing of individual stationary batteries and battery strings used in critical backup applications.

  • Key measurements include battery internal resistance, DC and AC voltage, DC and AC current, ripple voltage, frequency, and temperature.
  • Sequential measurement mode allows for automatic or manual testing of battery strings with automatic measurement value storage without requiring button presses for each save.
  • Comprehensive automatic logging records all measured values for analysis on the go.


  • Battery strings