Voltminder is assembled in the USA

>> We hand test each VoltMinder prior to shipping to ensure accuracy and quality <<

Ideal for monitoring and alerting you of problems with battery and electrical systems for:
Big Rig trucks . . . RV’s . . . Travel Trailers . . . Cars . . . Golf Carts . . . Motor Boats . . . Scooters . . . Motorcycles . . . Airplaines . . . Battery Carts . . . Solar Panel Systems . . . Industrial Equipment . . . Home Electrical Equipment . . .
And many other devices and vehicles utilizing 12- to 50-Volt battery systems

    FREE SHIPPING! (details on the Buy Now page)

Count on VoltMinder to alert you that your battery is approaching a critical level which will not be sufficient to start your RV, car, truck or other 12- to 50-Volt battery system while also providing you an indication to check your electrical charging system (alternator or the like).

Thanks to MotorHome Magazine for mentioning Voltminder!


  • Hand tested prior to shipping to ensure precision accuracy
  • 180-day free-from-defects guarantee (100% refund after we receive the unit back)
  • Continuous monitoring of any 12- to 50-Volt battery and electrical system
  • Instant voltage read out
  • 4 digit LCD display for both day and night time viewing
  • Ability to set limit ranges from 10.5 to 50 DC volts (in .05 Volts increments) to meet your specific needs
  • Monitoring the battery system in the hundredths of volts level
  • Audible alarm warning
  • Option to silence alarm if so desired
  • Water resistant  (see  page)
  • Easy to use push button technology
  • Mountable or portable
  • Compact 4” x 2 5/8” x 1 1/16” (101.6mm x 66.675mm x 26.988mm) size with a 6-foot (1.83 meters) cord which plugs into any vehicle power outlet or cigarette lighter – allowing you mounting and monitoring flexibility (We recommend hard wiring - Contact us for details )
  • Weight – less than 4 ounces
  • Highest quality electrical and measurement components
  • When on, the VoltMinder will draw 28-32 milliamps. Normal draw is 28 milliamps, when the alarm is sounding, draw is 32 milliamps.

  We sincerely appreciate all of our customers in United States, Australia, Canada,
  England, Benin (Africa), Finland, New Zealand, Singapore, and Switzerland
who have spread the word about VoltMinder !

For additional information, please email
or call us at 903-815-7561

Voltminder, the Voltminder logo, and the names of Voltminder
products referenced herein are trademarks of Voltminder Inc. and/or its

All Rights Reserved. Copyright 2015 by Voltminder, Inc.