BatteryMINDer® 128CEC2-AA-S3 – 12V 8A Hawker-Odyssey® Aviation Battery Charger-Maintainer-Desulfator
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The BatteryMINDer 128CEC2-AA-S3 is the most advanced and versatile battery charger, maintainer, and desulfator available for 12-volt Hawker, Odyssey, and GILL® LT 7000 series lead-acid aviation batteries. Engineered with cutting-edge technology and designed for ease of use, the BatteryMINDer delivers superior performance and unmatched reliability. It's the perfect solution for keeping your aviation batteries in peak condition, extending their lifespan, and ensuring optimal performance.
Specifications
- Model: 128CEC2-AA-S3
- Input Voltage: 105-130VAC 50/60Hz
- Charging Amps: 4.0 amps RMS (4-stage)
- Battery Types: Flooded, AGM, Gel Cell (Hawker, Odyssey, and GILL® LT 7000 series aviation batteries)
- Battery Capacity: 1.2Ah to 200Ah
- Safety Features: Spark-proof, reverse polarity protection, over-temperature protection
- Certifications: UL, cUL, CEC
- Warranty: 5 years
Key Benefits
- Extends Battery Life: The BatteryMINDer's sophisticated charging algorithm and desulfation process revitalize and maintain your aviation batteries, maximizing their lifespan.
- Rescues Dead Batteries: The BatteryMINDer's unique desulfation mode can often restore deeply discharged aviation batteries that other chargers can't.
- Prevents Overcharging: The BatteryMINDer's intelligent charging technology automatically adjusts to prevent overcharging, ensuring your aviation batteries stay safe and healthy.
- Maintains Optimal Performance: By keeping your aviation batteries fully charged and conditioned, the BatteryMINDer ensures peak performance and reliability.
- Versatile and Easy to Use: The BatteryMINDer is designed for use with various 12-volt Hawker and Odyssey lead-acid aviation batteries, and its simple operation makes it user-friendly.
- Trusted by Professionals: The BatteryMINDer is the preferred choice of professionals in the aviation industry for maintaining Hawker and Odyssey batteries.
Features
- 4-Stage Charging: The BatteryMINDer's advanced charging algorithm includes bulk, absorption, float, and maintenance modes, providing the optimal charge for your specific aviation battery type.
- Temperature Compensation: The BatteryMINDer automatically adjusts the charging voltage based on ambient temperature, ensuring safe and efficient charging in any environment.
- Battery Status LED Indicators: The BatteryMINDer's intuitive LED indicators provide clear and easy-to-understand information about the charging status and aviation battery condition.
- Spark-Proof and Reverse Polarity Protection: The BatteryMINDer is designed with safety in mind, featuring spark-proof connections and reverse polarity protection to prevent damage to your aviation batteries or charger.
- 5-Year Warranty: The BatteryMINDer is backed by a 5-year warranty, giving you peace of mind and demonstrating the manufacturer's confidence in the product's quality and reliability.
NOTE: NONE OF OUR AIRCRAFT MODELS ARE DESIGNED TO FUNCTION AT INPUT VOLTAGES ABOVE 120 VAC EXCEPT WHEN COMBINED WITH AN ISOLATION STEP-DOWN TRANSFORMER.
What's in the Box
• Model 128CEC2-AA-S3 Charger-Maintainer-Desulfator
• 6' AC cord, 6' DC cord with quick connector (SAE)
• Auto-Temp Compensation Sensor (Installed)
• 2' Insulated Battery Clip Cord Set with Quick Connector and 15A replaceable fuse
| General Information | |
|---|---|
| Part # | 128CEC2-AA-S3 |
| Manufacturer | BatteryMINDer |
| Shipping Information | |
|---|---|
| Product Weight | 3.1 lbs. |
| Product Dimensions | 12.5 x 11 x 4 in. |
| Schedule B | 8504409520 |
| ECCN | EAR99 |
| Specifications | |
|---|---|
| Charging Current | 8 AMP |
| Comes with | Auto-Temp Compensation Sensor (Installed), 2' Insulated Battery Clip Cord Set with Quick Connector and 15A replaceable fuse, 2' Ring Terminal, Cord Set, Instruction Manual |
| International Standard | IP65 |
| Multiple Batteries (#) | 2 |
| Optional Accessories | 210AY, 210RT, ABS-248, ATS-1, BCAA, BM-AIK2, DCE12, DCE25, RTA-2415EXP, VPP12 |
| Overcharge Protection | Yes |
| Polarity Reversal Protection | Yes |
| Power Source | 90-140 VAC, 47-63 Hz |
| Product Dimensions | 4.9” L x 7.3” W X 2.1” H |
| Temperature Compensation | Yes, -4°F (-20°C) to 122°F (50°C) |
| Voltage | 12V |
| Warranty | 5 Year |
| Works With | 12V Hawker-Odyssey® Batteries |
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AIRCRAFT COMPATIBILITY
This item is for use on all aircraft.
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QUESTIONS & ANSWERS
The 128CEC2-AA-S3 model is calibrated for Hawker-Odyssey® and Gill LT/7000 aviation batteries. Using a charger matched to the correct battery chemistry ensures proper absorption and float voltages. This aviation-specific calibration helps maintain airworthiness and maximize AGM battery performance.
The manual recommends qualifying or testing the battery before charging or desulfating to confirm it is serviceable. Even new Hawker-Odyssey aviation batteries may have developed sulfation from improper storage. Testing open-circuit voltage after a rest period provides a reliable baseline for recovery expectations.
If the battery voltage is below normal thresholds at startup, the charger enters Soft-Start mode to gradually raise the voltage before applying full current. If the voltage is extremely low, the unit will reject the battery to prevent unsafe charging. This built-in safeguard protects both the charger and the aircraft battery system.
The charger progresses through the Soft-Start, Constant Current (Bulk), Constant Voltage (Absorption), Battery Test, and Float (Maintenance) stages. Each stage is designed to safely restore capacity without overcharging sensitive AGM plates. The automatic transition to float mode supports continuous maintenance between flights.
The integrated Ambient Temperature Sensor (ATS-1) automatically adjusts charge and float voltages based on ambient conditions. The output voltage varies across temperature ranges to prevent overcharging in hot conditions or undercharging in cold conditions. This is critical for aircraft stored in unheated hangars or exposed to seasonal extremes.
The LED indication table explains that an amber “Battery Weak” light signals low voltage during Soft-Start or after testing. A flashing red “Bad Cell” indicator means one or more cells have failed and the battery must be replaced. These diagnostics allow technicians to quickly assess airworthiness.
Yes, once the battery reaches full charge, the unit automatically enters Float (Maintenance) mode. In this mode, it can remain connected indefinitely to prevent sulfation and self-discharge. Continuous maintenance is recommended for aircraft that are flown infrequently.
Avoid charging in tightly confined areas due to the potential for hydrogen gas buildup. Follow the battery manufacturer’s FAA-approved Instructions for Continued Airworthiness (ICA). For certified aircraft, a permanent quick-connect harness, such as the BM-AIK2 Airframe Interface Kit, is advised.
The manual states that up to two fully healthy batteries may be maintained together, provided each has been individually tested and fully desulfated first. Attempting to desulfate multiple batteries at once is not recommended. Using approved Y-connectors ensures balanced maintenance charging.
A fully charged and rested 12V battery should measure approximately 12.9 to 13.1 volts. Batteries reading below 12.4 volts after resting may be partially discharged or sulfated. Accurate voltage testing should be performed after the battery has rested for 8 to 12 hours without load.
