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BatteryMINDer® Model 2012: 12V 2 AMP Charger-Maintainer-Desulfator (Worldwide Usage)

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BatteryMINDer® 2012 is a SmarTECHnology™ microprocessor controlled charger/maintainer/desulfator.  It is designed with 7-stages and is fully automatic.  Plug ‘n Run feature means “no buttons to push.”  Features easily understood diagnostic LED indicators that display the battery's condition and actual state-of-charge profile. This charger actively monitors your battery's voltage, amperage acceptance and temperature at all times. Working through a series of charging and diagnostics stages, the internal program adjusts its output several times a second based on sensor reading to quickly and correctly charge your battery. When used as a maintainer, the BatteryMINDer® is guaranteed to maximize your battery's life and storage capacity. The temperature compensated long-term maintenance stage will add years of service. Patented full-time high frequency pulse desulfation (NOT high voltage) prevents battery sulfation on new batteries or eliminates in older batteries, the #1 cause of early battery failure. Unit can maintain up to six 12 Volt batteries at one time when connected in parallel by using SmarTechnology™ Y-Connectors 210AY or customer supplied 18-Gauge insulated wire.

SmarTECHnology™ = Advanced Technology made simple to use.
1 Year 100% Money Back Guarantee
5 Year "No Hassle" Warranty.

Product Description

Features & Benefits:  
BatteryMINDer® Model 2012: 12-Volt 2 AMP Charger-Maintainer-Desulfator (Worldwide Usage)

For All Sizes and Brands of Standard 12 Volt Lead-Acid Batteries including but not limited to flooded: filler cap, maintenance-free, valve regulated lea-acid VRLA), sealed lead-acid (SLA), starter, deep cycle and hybrid.  

  • Installed ambient temperature sensor for 0°F–130°F operating range ensures the battery will never be overcharged or undercharged regardless of temperature extremes. Optional "at the battery" sensor is also available for greater accuracy when battery and charger are not in same ambient temperature environment.
  • Diagnostic LED indicators for power, polarity reversal, battery weak, load, bad cell, testing, desulfating, temperature compensation, charging stage and charge level.
  • Maximizes battery life and capacity, reconditions weak batteries.
  • Automatic high frequency (not high voltage) pulse desulfation (U.S. patented.)
  • Plug ‘n Run operation-no buttons to push.
  • FCC certified.
  • Microprocessor controlled ensures accurate-precise charging and maintenance during entire lifetime of unit.
  • Diagnoses battery’s condition – can predict failing batteries before they die. 
  • Maintains up to 6 (12V) batteries at a time. Requires use of Y-Connectors 210AY (sold separately) or customer supplied 18-Gauge insulated wire2.
  • Extremely efficient, low operating costs.
  • Automatic disconnect and resume if AC power is interrupted.
  • Short circuit, spark, polarity and thermal runaway protection.
  • Built-in Battery Condition Indicator.
  • Worldwide 100-240 VAC 50/60 Hz input.
  • Never connect two or more batteries together before fully charging each and checking their condition. Failure to fully charge each battery and check their condition can result in a serious safety hazard.
  • For AGM 12 volt types such as Odyssey, see Model 2012-AGM

  • Not for use with aircraft batteries. For information about BatteryMINDers designed for use with aircraft batteries, see our Aviation Application page


What's In the Box Optional Accessories
  • Model 2012 Charger-Maintainer-Desulfator
  • Ambient Temperature Sensor (installed)
  • 2' Battery Clip Cord Set with Quick Connector
  • 2' Fused Ring Terminal Cord Set with Quick Connector
  • 6’ AC cord, 6’ DC cord with quick connector (SAE)


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  • 210AY: Y Multiple Battery Connector
  • 210RT: Y Multiple Battery Connector w/ Ring Terminal Connector
  • ABS-248: At the Battery Temperature Sensor
  • ATS-1: Ambient Temperature Sensor
  • BC-AA: Insulated Battery Clip Cord Set
  • BC2AY:  Insulated Battery Clips w/ 210AY Y Multiple Battery Connector
  • DCE12: DC Extension Cables - 12ft.
  • DCE25: DC Extension Cables - 25ft.
  • EZC-01: EZ Connector and Mounting Screws
  • EZC-RT: EZ-Connector & Ring Terminal Assembly w/ Mounting Screws
  • RTA-2415: 2’ Ring Terminal Assembly w/ Quick Connector
  • RTA-7215: 6’ Ring Terminal Assembly w/ Quick Connector
  • VPP-12: 12/24 Volt Vehicle Power Plug
Charging Current:
Power Source:
90-240 VAC, 47-63 Hz
Temperature Compensation:
Yes: -4°F (-20°C) to 122°F (50°C)
Overcharge Protection:
Polarity Reversal Protection:
International Standard IP65*:
Dust tight: No ingress of dust; complete protection against contact (dust tight). Protection from water projected by a nozzle (6.3 mm) against enclosure from any direction shall have no harmful effects.
Multiple Batteries (#):
Product Dimensions:
5.69 L " x 4.06" W x 2.13" H
5 Year
Works with::
All sizes, types, and brands of 12 Volt flooded (filler cap) and sealed maintenance free batteries.
Comes with:
BC-2410: 2' Non Fused Battery Clip Cord Set with Quick Connector,RTA-2415: 2' Fused Ring Terminal Cord Set with Quick Connector,, ATS-1: Ambient Temperature Sensor
Optional Accessories:
210AY, 210RT, ABS-248, ATS-1, BC2AY, BCAA, DCE12, DCE25, EZC-01, EZC-RT, RTA-2415, RTA-7215, VPP12
The IP rating of an enclosure, or Ingress Protection Rating specifies how resistant the device is to foreign objects and moisture.
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Product Reviews

  1. Too soon to tell but...

    Posted by Joe Gangemi on 10th Nov 2017

    I just purchased the 2012 battery minder and accessory cable. While it’s too soon to tell how effective it is I can comment on customer service. I installed the unit however it did not appear to be working. I called customer service and spoke with Wayne. He was very helpful in helping me troubleshoot the problem which turned out to be a defective cable. VDC sent me a replacement cable and wha-la the unit came to life. Five stars for customer service. Once I take the RV out in the spring I’ll see just how effective the 2012 was in preserving my batteries. Based on all the other reviews I have read I expect everything will be fine.

  2. No more weak or dead batteries.

    Posted by Jim Brown on 22nd Nov 2016

    Keeps battery fully charged when vehicle is undriven for a few days. Vehicle is a 2016 Toyota Highlander fully equipped with electronics which load the battery. Without the battery minder, the battery would not start the vehicle if it is not driven for a week or so. We have other vehicles which also have battery minders connected to the batteries for the same reasons. Excellent product.

  3. Awesome product

    Posted by Peter Evangelidis on 11th Sep 2016

    I love this product. This charger managed to get my buddy's motorcycle battery back to life when nothing else would. The de-sulfation capabilities of this charger are the reason for it. I now use the one up north to maintain my back-up generator battery and purchased a 2nd, AGM-rated charger for our Beemer down in Florida. It's been charging/maintaining that car since early March. Dying to get down there this month and see if I'll be making as stellar a review on that charger as well.

  4. Easy to hook-Up

    Posted by Andy Szabo on 22nd May 2016

    Installation was easy, including the optional remote temperature sensor.

    This application is for the starting battery in a small diesel locomotive, which is located at a museum and used infrequently. Charging unit is installed inside the cab, with wires running to a battery box mounted on the outside deck. Used split-loom to protect the wires.

  5. battery maintaince

    Posted by brian on 17th Apr 2015


  6. No more headaches

    Posted by Cliff on 31st Jan 2015

    I got this charger for my 1998 Hummer H1. A two battery setup in parallel. In the past I'ld have to disconnect and charge each battery independently and it would take a whole day to do it. I got the Battery Minder 2012 after talking with one of the companies tech staff. They were very familiar with my issue. The product has worked amazing and saved me a lot of headaches and back pain of leaning over 37" tires working on battery issues. I now have the charger capable permanently hooked up and just have to reach under the hood to connect them to the Battery Minder charger/maintainer block. The gauges let you know the exact status of your battery and it's levels and if all the cells are good.

  7. Saved my car!

    Posted by Double M on 29th May 2014

    I recently got the BatteryMINDer 2012. I bought it because my Battery Tender would not charge my car's Battery at all. A regular old fashioned charger would charge it, but after 1 trip, it would be dead again. I thought that my car may have a serious electrical problem, as it is almost an antique and electrical issues are common. I put the Battery on and the 2012 told me that I had a Bad Cell! The Battery Tender didn't tell me anything except that it would not charge it. I went and bought a new Battery and now my car starts up every time and I didn't have to spend lots of time & money tracking down an Electrical fault! Thank you BatteryMINDer!