The Auto Power 1500W (AP1500) Inverter

April 15, 2019

The AP1500 Inverter is a 55 Amp charger with a 1500 Watt continuous (4500 Watt surge) inverter. The AP1500 is pure sine wave with an output current of 55 Amps. It is built to meet NFPA 1917(KKK) specification and is UL 458 listed.

Features include a built-in automatic load transfer relay and high output 3 stage charger that is programmable for up to 8 battery types, such as Gel, Lead Acid, and AGM. The construction is heavy duty steel. The circuitry is conformal coated and is designed for severe conditions.

AP1500 works with Kussmaul digital display indicators in single Bar Graph or Digital Status Center. It is compatible with Kussmaul's Super Auto Eject Deluxe Covers in Bar Graph or Digital Display.


  • Inverter: 1500 Watt Continuous /4500 Watt surge
  • Charger: 55 Amps Max
  • Pure Sine Wave
  • Built-in automatic load transfer relay
  • Built-in high output 3 stage charger (1-hr boost) for rapid battery replenishment- programmable for various battery types; Gel, Lead Acid, or AGM battery
  • Automatic over temperature shutdown, and AC output circuit breakers
  • Charger will recharge depleted batteries with <1V
  • Automatic low battery shutdown at 10.5 VDC with in-rush delay
  • Power Save mode feature: automatically detects when a load is not connected to minimize energy consumption
  • Heavy duty powder coated aluminum construction and conformal coated circuitry
  • Built to meet NFPA 1917 (KKK) specification
  • Works with Super Auto Eject with Deluxe Covers
  • UL 458 listed



  • Output Power: 1500 Watts (Cont.) / 4500 Watts (Surge)
  • Output Current: 12.5 Amps AC Cont., 40 Amps Peak
  • Output Voltage: 120 +/- 3%
  • Output Frequency: 60 +/- .03%
  • Output Waveform: Pure Sine < 5% THD
  • Input Current: Up to 150 Amps DC Cont.
  • Input Voltage: 10.5 to 16.0 VDC


  • Output Current: 55 Amps DC
  • Input Voltage: 90-135 VAC
  • Input Current: 12 Amps Max


  • Operating Temperature: -20˚ C to 45˚ C (-4˚ F to 113˚ F)
  • Weight: 38.5 lbs
  • Warranty: 5 Years

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