Maintenance Master

Product Code: 091-7-12


  • 5A, 12V charge rating
  • Designed specifically for maintaining generator start batteries
  • Automatically charges and shuts off at charge completion, no overcharge
  • Cannot over charge battery
  • Ammeter indicates charge rate
  • Rugged aluminum case designed for industrial use
  • Compact size, wall mount
  • Also available in 6Vand 24V ( see downloads for specific products)
  • 3 year warranty
Charger, Output Amperage 5
Battery Saver Only No
Battery Saver
Charger- Hz 50/60
Charger, Low Profile Design No
Input Fuse 2 Amps, Fast Acting
Input 120 Vac, 50/60 Hz, 1 Amp Max
Output 12 Vdc, 5 Amps
Output Fuse 10 Amps
Warranty 3 Years
Weight 9 lbs
Charge Indicator 0-5 Amps
EV Series No

The Maintenance Master provides a high performance charge, to maintain the charge of the batteries in emergency power plants, and other standby service, not requiring high recharge rates. This completely automatic charger does not trickle charge the battery, but supplies current on demand and completely turns off when the battery is fully charged. A simple, highly reliable piece of equipment for continuous heavy duty operation.