Auto Charge 40/20

Product Code: 091-216-40/20


  • 60A total: 40A battery charger, 20A battery saver
  • Automatic operation regulates output to a single battery bank
  • Separate 20 Amp ATC fuse protected “Battery Saver” output eliminates drain on vehicle battery when in station
  • Clean output poses no interference with radios and other mobile devices
  • Battery Type Selector Switch: Lead-Acid/AGM or Gel-Cell
  • 1-hour “boost” voltage for rapid recovery
  • Automatic current limit
  • Reverse polarity protected
  • AC input circuit breaker protection
  • Compatible with Super Auto Eject with 091-55-234-XXX (Bar Graph Display) or 091-55-194-XXX (Digital Display)
  • 3 year warranty

Charger with Battery Bank single
Charger, Output Amperage 40
Battery Saver Only No
Battery Saver 20
Chargers With Parasitic Load Compensation No
Charger with Remote Display included Yes
Charger, Output Voltage VDC 12
Charger, Input Voltage VAC 120
Charger- Hz 50/60
International No
Charger, Low Profile Design No
Charging Profile 3 step
Input Fuse 10 Amps, Resettable Circuit Breaker
Input 120 Vac, 50/60 Hz, 8.5 Amps Max
Warranty 3 years
Weight 13 lbs
Battery Type Selection Switches Lead-Acid/AGM: Boost=14.0VDC; Float=13.2VDC, Gel-Cell: Boost=13.8VDC; Float=13.4VDC
Battery Saver Low Ripple Output Fuse 20 Amp, ATC fuse, 091-FUS0257020
Battery Saver Output Power 14.0 Vdc, 20 Amps Max
Battery Charger Output Power 12 Vdc, 40 Amps Max
LED Status Indicators Bat Connected, Bat Charger On, Bat Saver On
Output Waterproof Circuit Breaker 50 Amps, Part Number: 090-0050-0
Boost Voltage Timer 1-Hour (starts when AC power is applied)
EV Series No

The Auto Charge 40/20 is an integrated charger with Battery Saver Low Ripple. The 40/20 is a completely automatic, modified 3-step, single channel battery charger designed for vehicles with a single battery system. The combined battery charger and battery saver provides a complete package. Additionally, the battery saver output provides uninterrupted power to accessory loads. This complete package simplifies installation and improves system reliability due to parasitic loads. The charger is also ruggedized to withstand the shock and vibration encountered by vehicle mounted equipment.