PT33 Battery Discharge Indicator


The Battery Discharge Indicator (BDI) meter is multi-function and can be used in diverse applications. The unit has a built-in hour meter and service timer, a battery level monitor, and a voltage monitor all designed so that relevant information can be gathered about your battery in an intuitive manner.


The meter includes programming for nine different battery discharge curves which will ensure that it will be compatible with a broad range of batteries out in the market today. The meter can monitor batteries with voltages ranging from 12 to 48V and it can automatically detect what voltage the system is using.



  • Compatible with a broad spectrum of battery voltage
  • 9 different battery discharged curves (programmable by the customer to tailor fit application)
  • Hour meter and service timer (both can be set by the customer to specific hours)
  • Voltage monitor system with high and low warning
  • 10 LEDs battery indicator with additional 3 LEDs for service, battery percentage, and alarm alerts.
  • Backlight with the option to turn off
Operating Voltage8 to 60V DC
Voltage Accuracy<± 0.5%
Applicable Battery TypeLead-acid, GEL, LiFE-PO4, AGM
Timing Range0 to 99,999H
Service Range 0 to 2,000H
Battery IndicatorWithin 10% accuracy
Timing Accuracy24H <± 10 seconds
Operating Temperature-4 to 149°F (-20 to 65°C)
Display Window1.14 x 0.43 in. (29 x 11 mm)
Product Dimension2.54 x 1.61 in. (64.4 x 41 mm)
Weight0.115 lb. (52 g)
Housing MaterialABS
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