Battery Discharge Indicator displays charge on any battery.

Press Release Summary:



Series PT28 10-bar LED indicator operates on 12, 24, 36, or 48 VDC supply, and runs at 30 mA nominal current with accuracy to ±0.01%. Right-side LED is lit when battery is properly charged, and, as charge decreases, successive LEDs illuminate in sequence. Leftmost 2 LEDs flash to indicate empty. Mounting choices include round SAE bezel with push-on retaining ring or rectangular screw-mounting flange, with or without key terminal activation.



Original Press Release:


Electronic BDI (Battery Discharge Indicator) From ENM


ENM Company introduces Series PT28, a complete solid-state BATTERY DISCHARGE INDICATOR. This 10-bar LED indicator displays THE STATE OF CHARGE ON ANY BATTERY. Typical applications include all types of electric-powered vehicles.

PT28 is a high reliability, compact and low-cost component, available for several voltages and capable of operating in a wide temperature range, -10°C to +65°C (-22°F to +150°F).

These BDI's operate on a 12, 24, 36 or 48 VDC supply and run at a 30 mA nominal current, with accuracy to +/- 0.01%.

Mounting style choices of a round SAE bezel with push-on retaining ring or rectangular screw-mounting flange are offered as standard with or without key terminal activation.

The right-side LED is lit when the battery is properly charged and, as the charge decreases, the successive LED's illuminate in sequence. The leftmost two LED's flash to indicate empty (80% depth of charge).

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