Mastervolt ChargeMaster 12/25-3 Marine Battery Charger
12V 25A Mastervolt ChargeMaster charger with automatic three-step charging and MasterBus integration.
AC-powered 3-step+ marine charger with three battery outlets, power-factor correction, and programmable chemistry settings. A practical fit for boats carrying separate house and starting banks. This 12V, 25A model has 3 charging outlets and suits the catalog-listed 50–250 Ah battery capacity range. The 25A output is divided across three battery outlets; automatic 3-step charging suits mixed starting and house battery configurations.
For installation, confirm the charger’s output-bank arrangement, battery chemistry, shore-power supply and cable protection against the vessel’s system design.
Manufacturer | Mastervolt |
Category | Battery Chargers and Equipment |
Item Number | 44010250 |
Series | ChargeMaster |
Protections/ Certifications | CE; E-mark; ABYC A-31; SAE J1171 / ISO 8846 |
Dimensions | 234 x 132 x 60 mm |
Weight | 1.8 kg |
Voltage Type | DC |
Nominal Voltage | 12 V |
Capacity | 50–250 Ah |
AMPS/Current Rating | 25 A |
Spec Sheet | View Manufacturer Spec Sheet |
- Nominal DC output: 12 V
- Maximum total charging current: 25 A
- Battery outlets / banks: 3
- Catalog-listed battery bank capacity: 50–250 Ah
- Dimensions (HxWxD, catalog): 234 × 132 × 61 mm
- Catalog weight: 1.8 kg
- AC input: 90–265 V AC, 50/60 Hz
- Manufacturer documentation: see linked PDF
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Installation & Support
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