Mastervolt ChargeMaster 24V / 20A – 3 Banks Marine Battery Charger – 44020200

Description

TheMastervolt ChargeMaster 24/20-3 Marine Battery Chargeris an AC-powered charger that provides up to 20 amps of 24V DC charging output across three isolated battery-bank connections. It accepts 90V to 265V AC input and is specified for 24V cruising yachts and service battery banks.

The charger supports AGM, gel, flooded, and Li-ion batteries through its 3-Stage+ smart charging program. Its listed charging values are 28.5V absorption and 26.5V float. It includes an integrated temperature sensor, MasterBus Ready communication, ignition protection, an internal cooling fan, and overload, short-circuit, and over-temperature protection.

Key Specifications of the Mastervolt ChargeMaster 24/20-3 Charger

• 20-amp output supports listed 24V cruising-yacht and service-bank charging applications.
• Three isolated banks allow one charger to connect to up to three separate 24V battery banks.
• 24V DC output matches the listed destination battery-system voltage.
• 90V to 265V AC input supports compatible shore, generator, or other AC power sources.
• AGM, gel, flooded, and Li-ion batteries are the listed compatible battery types.
• 3-Stage+ smart charging manages the listed charging sequence.
• 28.5V absorption is the listed higher-voltage charging stage.
• 26.5V float is the listed maintenance charging stage.
• MasterBus Ready communication supports the listed monitoring-system connection.
• An internal cooling fan manages operating heat during charging.

Battery and Charging Compatibility

The Mastervolt ChargeMaster 24/20-3 is listed for AGM, gel, flooded, and Li-ion batteries in 24V systems. Its three isolated outputs allow one AC charger to connect to up to three separate 24V battery banks.

The charger uses compatible AC power to provide controlled 24V DC charging output. Verify the correct charging profile and requirements for each connected battery bank, especially for Li-ion batteries.

Installation and System Considerations

The charger accepts 90V to 265V AC input and provides up to 20 amps at 24V DC across three isolated banks. It has IP23 protection, ignition protection, MasterBus Ready communication, integrated temperature compensation, and internal fan cooling. Overload, short-circuit, and over-temperature protection are listed. The unit measures 9.2 in. by 5.2 in. by 2.4 in. and weighs 4 lbs. Installation should follow the charger manual and the electrical requirements applicable to the vessel.

Warranty and Support

Warranty information is not included in the listed product data. Review the manufacturer documentation for product details, setup, and warranty coverage.

Before Ordering the Mastervolt ChargeMaster 24/20-3 Charger

Before ordering, confirm that your system uses 24V DC battery banks, has up to three separate banks that require charging, and uses AGM, gel, flooded, or Li-ion batteries. Confirm that your available AC source falls within the listed 90V to 265V range. Review the 20-amp output, listed absorption and float voltages, IP23 rating, ignition protection, MasterBus capability, dimensions, and installation space before purchase.