For Aviation applications, It is no longer advised use of the 12248-aa-s2 on flooded batteries while flooded battery
is located within a confined area, such as in an aircraft engine compartment. Battery should be removed or open to free
flowing air to avoid possible build-up of harmful hydrogen gas should battery have a shorted cell(s) or charging source
is incorrect or malfunctions.
All Aviation specific BatteryMINDer models are designed exclusively for use with either SEALED (AGM-non liquid) or
FLOODED (liquid w/ filler caps) as manufactured by Concorde (AA-S5s) & Gill (AA-S2s) and EnerSys’ Odyssey and Hawker
(AA-S3s), for use on non-commercial aircraft specifically approved by FAA and/or PMA. (AA-S3s also are designed for
use with the Gill LT/7000 series).
NOTE: Aviation-specific BatteryMINDer models are provided with a battery clip harness suitable for
temporary connections and bench charging. To install a safe, legal quick-connect battery harness on
certified aircraft, order the BM-AIK2 Airframe Interface Kit:
( Aircraft Spruce Part # 11-10835 ).
CONCORDE has changed its recommended charge rate and effective temperature compensation range requirements for
both their 12-V and 24-V sealed valve regulated AGM Aviation batteries (all sizes). Because the voltage requirements
are now higher than those of Gill, we have developed the S-5s to be used exclusively on Concorde Sealed General
Aviation AGM (Absorbed Glass Mat) batteries. Concorde has done extensive testing and has determined that the life
and performance of their batteries will be improved by BatteryMINDers using their new specifications for charging
ALL these types, regardless of manufacture are based on LEAD-ACID chemistry, NOT Nickel Cadmium, Nickel Metal
Hydride, or any other chemistry-construction. If you have any doubt about the battery you intend to use with any
of our BatteryMINDer products, please confirm these facts with the maker of your particular battery type.
REMEMBER: S-2S are still needed for the gills (sealed and flooded-wet cell), except for their LT/7000 series,
where the S-3 is required. S-3S are also for hawker and odyssey. the s-5s should never be used on a gill lead-acid
battery – only Concorde.
VDC Electronics has available a Plug 'n Run Aviation Specific version of its 12-V Maintenance Charger -
Desulfator - Conditioner. Designated as 12248-AA-S2, it incorporates the new Plug ‘n Run feature, eliminating
the need to set either the output current or battery type, before operating. The model includes full-time pulsed
desulfation circuitry designed to safely dissolve sulfation build-up on the battery's storage plates, restoring
lost cranking power and extending life. BatteryMINDer's de-sulfation method is fully automatic, does not use
potentially damaging high voltage, and is protected by two U.S. patents.
Note: BatteryMinder no longer recommends connecting this charger to the battery while it is in the aircraft. As a
result, the charger only comes with the alligator clips, and not the ring terminals.
One Ambient Temperature Sensor
For all types of 12 Volt Concorde® Aviation Batteries including sealed AGM-maintenance-free and filler cap maintenance type.
Ambient Temperature Sensor automatically reduces or increases BatteryMINDers’ output voltage to ensure battery is never over or under charged regardless of Hi/Low temperature extremes.
Auto-selection for charge rate and battery types ensures 100% compliance with Concorde® Battery Company’s specifications.
Auto restart after a power failure.
Safely charges up to 200% faster than conventional chargers.
Maintains up to 2 batteries at a time (parallel connected) with use of part BC2AY combo connector assembly.
Automatically dissolves power-robbing sulfation using safe low voltage pulse technology (U.S. Patented).
Microprocessor controlled pulsed output ensures 100% full charge.
Temperature compensation extends battery life by more than 200 Cycles (full-charge-discharge cycles) with ATS temperature sensor, when compared to chargers without a temperature sensor.
High efficiency design = low monthly operating costs of less than 50 cents based on running 24-7 at an electricity cost of 18 cents / Kilowatt Hr.
Provides short circuit, spark, polarity reversal, and thermal runaway protection.
Maximizes battery life and capacity; reconditions most weak batteries.
IMPORTANT INFORMATION ON USING PRODUCT OUTDOORS: Weather-tight enclosure. Always mount units in vertical position with cord sets exiting downward to ensure weather tight integrity. Unit must be mounted this way to ensure long term trouble-free life including weatherproof integrity. Mounting in any other manner or using unmounted (parallel to ground) except indoors may cause unit to fail due to water intrusion that is unable to drain correctly to avoid damage.
Power Source: 120 VAC, 60Hz
Works With: ALL Concorde® 12V Sealed AGM (Absorbed Glass Mat) RG® series and Flooded Electrolyte CB series aircraft batteries
Do you also sell a 220 volt version of this for international use?
Here are the models that are 220V:
11-09379: BATTERYMINDER E12248-AA-S2 12V / 8A
11-09381: BATTERYMINDER E24041-AA-S2 24V / 4A
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