Item #874751

MasterVolt 3-Bank ChargeMaster Battery Charger

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          MasterVolt 3-Bank ChargeMaster Battery Charger

          Item # 874751


          Make the most of your batteries with the 3-bank, 25 amp Mastervolt ChargeMaster 12/25-3 Battery Charger, plugging in and charging anywhere in the world, regardless of the available mains voltage. Thanks to Mastervolt's innovative 3-step+ charging process, batteries not only perform better, but last longer too. Even when your batteries are not connected, Mastervolt ChargeMaster battery chargers can provide a constant DC output allowing you to turn on lights or keep the fridge cold.


          • For recreational and semi-professional use
          • Easily connects to a MasterBus network with only one cable and one connection
          • Central, local or remote monitoring, configuration and control of your system
          • Suitable for any type of battery, including Lithium Ion batteries
          • Solid metal-to-metal connectors equipped with strain relief, prevent corrosion and overheating
          • 3-Step+ charging technology for fast and complete charging - charges depleted batteries
          • Memory function prevents overcharging in case of unreliable mains
          • Standard safety features provide a safe and complete charging
          • Charging capacity up to 1000 Ah battery banks
          • Easy to connect and quick to install
          • Can charge multiple battery banks simultaneously
          • Built-in system functionality (MasterBus) in combination with other Mastervolt products
          • Clear control panel, with three buttons that allow for easy operation of the entire system
          • Supplies your system without battery


          • Nominal output voltage: 12 V
          • Total charge current: 25 A at 13.25 V
          • Number of battery outlets: 3
          • Change current second output: 25 A
          • Change current third output: 25 A
          • Battery capacity range: 50-250 Ah
          • Nominal input voltage: 120/230 V (90-265 V), 50/60 Hz
          • AC connection: 2 m AC cable
          • Power supply mode: Yes
          • Galvanic isolation: Yes
          • Display/read-out: LED display
          • Fastening: 4x screw
          • Dimensions: 9.2" H x 5.2" W x 2.4" D
          • Weight: 4.0 lbs
          • Approvals: CE, ABYC A-31, SAE J1171/ISO 8846 ignition protected, RRR, RMRS
          • Optional: Quick Connect (OEM) version with WAGO 770-113 connector and 25 cm cable, product code 44010252


          • Charge characteristic: IUoUo, automatic 3-step+ for Gel/AGM/wet/Lithium Ion
          • Charge voltage Bulk: 14.4 V
          • Charge voltage Absorption: 14.25 V
          • Absorption time: 4 Hours
          • Charge voltage Float (wet batteries): 13.25 V
          • Charge voltage Float (Gel/AGM batteries): 13.8 V
          • Temperature compensation: Yes
          • DC voltage compensation: Automatic
          • Power consumption (DC side): < 2 mA
          • Full load consumption (230 V AC): 450 W
          • Current Control Function: No
          • Power factor control: >= 0.98
          • Temperature range (ambient temp.): -13 to 140° F
          • Cooling: Variable speed fan
          • Protection degree: IP23
          • Protections: Over temperature, over load, short circuit, high/low battery voltage
          • MasterBus compatible: Yes

          ChargeMaster 12/25-3 Battery Charger Product Information


          This product can expose you to chemicals including di(2-ethylhexyl)phthalate (DEHP) which are known to the State of California to cause cancer, birth defects or other reproductive harm.

          For more information go to

          Part Numbers for MasterVolt 3-Bank ChargeMaster Battery Charger

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