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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. My third one.

    Posted by Robert Osborne on 5th Mar 2024

    I bought 2 other Batteryminder chargers something like 12 plus years ago. My 2 sons keep on borrowing them and so I bought one for myself! The first 2 still work fine.

  2. Works as Advertised

    Posted by Geezing Guy on 12th Jan 2024

    I'm using this for a 25-year old pickup with an electrical issue. The kit comes with two cable sets that allow flexibility in use. I have secured one cable set to the battery with the end just outside the grill, making it easy to connect/disconnect when I'm using the truck. Two batteries gone, three repair shop visits to no avail, and Battery MINDer has given me my truck back almost hassle free! If it works this well for my truck, I will certainly use one if/when I purchase an RV.

  3. Great way to keep a battery for a long time

    Posted by Unknown on 13th Sep 2023

    I own many of these. Great product

  4. Great product to extend battery life!!

    Posted by Unknown on 8th Sep 2023

    Use these on multiple applications. The battery minders have extended our battery life expectancy in equipment. Worth every penny. What draws me to the battery minder product line is the temperature compensation, which helps prevent boil over.

  5. Worked great

    Posted by Henry Williamson on 25th Jul 2023

    Bought the model 2012 BatteryMinDER charger and charged my Polaris Ranger 500 EFI battery and it worked great!