BatteryMINDer 244CEC2-AA-S5 – 24V Charger/Maintainer/Desulfator for Concorde Batteries

The BatteryMINDer 244CEC2-AA-S5 is specifically engineered for 24-volt Concorde RG® series sealed lead-acid (AGM VRLA) aircraft batteries. Its charge profile and float voltage settings match Concorde’s technical specifications, ensuring accurate charging and long-term maintenance without overcharging.

This aviation charger uses high-frequency pulse desulfation to break down sulfate crystals that naturally form on lead plates during storage or low-charge conditions. Removing sulfation restores battery capacity, maintains voltage consistency, and prevents the premature failure that often occurs when aircraft remain inactive for extended periods.

According to Concorde’s maintenance-charging bulletin, the absorption voltage should remain between 28.0 and 28.4 volts, while the float voltage should stay between 26.2 and 26.6 volts at 25°C. The BatteryMINDer 244CEC2-AA-S5 automatically maintains these ranges for Concorde aviation batteries, delivering precise charging control under varying environmental conditions.

Yes. Proper temperature compensation ensures that the charging voltage increases in cold conditions and decreases in heat, thereby preventing both undercharging and overcharging. The 244CEC2-AA-S5 includes a built-in temperature sensor that automatically adjusts output for maximum safety and battery longevity, aligning with Concorde’s recommended coefficients of 0.048 – 0.060 V/°C below 25°C and 0.016 – 0.020 V/°C above 25°C.

For aircraft with no parasitic electrical load, Concorde recommends maintenance charging every two months when stored between 15°C and 35°C. The BatteryMINDer 244CEC2-AA-S5 can remain connected during these intervals, automatically entering float mode once the battery reaches full capacity to maintain an ideal state of charge.

While the BatteryMINDer supports continuous float charging, Concorde advises against 24/7 connection over very long periods, as minimal electrolysis and grid corrosion can still occur. For best results, follow Concorde’s periodic-charging guidance and schedule completion one to two days before aircraft use.

Yes. It may be used with the battery either installed in the aircraft or removed for storage, provided the battery terminals are accessible and connections are secure. This flexibility allows maintenance teams to protect stored aircraft and spare batteries from self-discharge during downtime.

If the aircraft draws continuous current while parked, maintenance charging must offset that drain. The BatteryMINDer 244CEC2-AA-S5 can remain connected in float mode to counteract low-level parasitic loads, although Concorde recommends disconnecting the battery whenever feasible to minimize cumulative wear.

Yes. The 244CEC2-AA-S5 is the factory-recommended charger for Concorde RG® series 24-volt aircraft batteries. It meets Concorde’s absorption and float voltage requirements, temperature-compensation standards, and long-term maintenance-charging parameters – all verified through Concorde’s in-house testing and technical bulletins.

BatteryMINDer’s CEC2 microprocessor platform utilizes a seven-stage charging sequence, comprising qualification, soft-start, bulk, absorption, optimization, float, and rest stages. This smart control system continuously monitors battery voltage, temperature, and internal resistance to deliver only the energy needed, preventing overheating and maximizing Concorde battery lifespan.

The 244CEC2-AA-S5 is optimized for sealed AGM VRLA aviation batteries but can also support other 24-volt lead-acid types, such as deep-cycle AGM or gel batteries, if their voltage requirements align. However, using it on unapproved chemistries may not yield the full benefits of desulfation or could risk incorrect voltage regulation.

Safety protections include reverse-polarity prevention, short-circuit protection, automatic shutoff for overvoltage or overtemperature events, and spark suppression during connection. The charger’s aviation-grade build ensures compliance with FAA-recognized electrical standards for ground maintenance and storage operations.

No. The charger should only be used when the aircraft’s power system is off and disconnected from any GPU or alternator source. Connecting both simultaneously can result in back-feeding voltage or system conflicts that could damage avionics or charging circuits.

Store the BatteryMINDer in a clean, dry environment away from extreme temperatures and moisture. Coil and secure all leads neatly, ensuring the power cord and sensor cable remain free from kinks or abrasions. Periodic visual checks for corrosion and damage ensure the long-term reliability of the unit.

BatteryMINDer provides a five-year limited warranty for the 244CEC2-AA-S5, covering defects in materials and workmanship. Registration through BatteryMINDer’s website is recommended for validation and future support. For aviation applications, maintaining proof of purchase and following Concorde’s usage recommendations ensures continuous warranty protection.