Mastervolt ChargeMaster 24V / 20A – 3 Banks Marine Battery Charger – 44020200
Managing multi-bank 24V cruising yacht systems, the 1.8 kg Mastervolt ChargeMaster 24/20-3 multi bank marine charger outputs 20A across three isolated battery banks with high electrical efficiency exceeding 90 percent.
- Three outputs power isolated batteries.
- Three-stage charging handles Lithium chemistries.
- Internal fan cools critical electronics.
- Full protections prevent short circuits.
- Space-saving chassis weighs 1.8 kg.
$304.30
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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.
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.
Product Specifications
Mastervolt ChargeMaster 24/20-3
| Brand | Mastervolt |
|---|---|
| SKU | 44020200 |
| Output Current | 20 Amps |
| Isolated Banks | 3 Banks |
| DC Voltage | 24V DC |
| Input Voltage | 90-265V AC |
| Battery Types | AGM, Gel, Flooded, Li-ion |
| Algorithm | 3-Stage+ Smart Charging |
| Absorption/Float | 28.5V / 26.5V |
| Efficiency | >90% |
| IP Rating | IP23 |
| Ignition Protected | Yes |
| Communication | MasterBus Ready |
| Temp Compensation | Integrated Sensor |
| Safety Protections | Overload, Short Circuit, Over-Temp |
| Cooling | Internal Cooling Fan |
| Dimensions | 234 x 132 x 60 mm (9.2x5.2x2.4") |
| Weight | 1.8 kg (4 lbs) |
| Certifications | CE, ABYC, UL Standard Ready |
| Application | 24V Cruising Yachts, Service Banks |
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