Features include:

Manufacturer: CURTIS
Model: 803
Multiple Voltage Options (Volts): 12-80V
Operating voltage: +/–25% of nominal voltage
Display: Battery state-of-charge: 10-bar, tri-color LED; Hour Meter: 6-digit LCD, 5mm high
'Fuel' Gauge Features
Multicolor 10-bar LED displays state of charge (5 green, 3 yellow, 2 red LEDs).
Flashing red LED signals "energy reserve" alarm at 70% discharged.
Double flashing red LEDs signal "empty" alarm at 80% discharged.
Normally closed relay opens at 80% discharge for lift lockout. This unique holding relay will only lock out at the end of a lift cycle.
Recognizes improperly charged battery.
Keyswitch activated LED display (Fuel gauge electronics are energized as long as they remain connected to the battery).
Wide range adjustable discharge profile.
Dual reset methods in each gauge: Open Circuit Reset for vehicles that exchange batteries and Charge Tracking Reset for vehicles whose batteries remain connected to the gauge during recharge.

Hour Meter Features

Monitors use-time throughout the equipment's lifespan.

Records and displays up to 99,999.9 hours on its LCD, rolls over and continues to count and display.

Hour meter LCD remains on as long as battery is connected.

Stores latest total in EEPROM nonvolatile memory, without need of power.

Operates and displays in temperatures from –40˚C to +65˚C under harsh conditions of vibration, shock, moisture and dust.

System Voltages Available: in single voltages from 12 VDC to 80 VDC, or in dual voltage of 24/36, 36/48, 24/48 or 72/80 VDC. Operating range is ± 25% of nominal voltage.

Operating temperature: –40°C to +85°C

Storage temperature: –50°C to +90°C