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Mass 24/25-2 25 AMP 24V Battery Charger
The right choice for demanding conditions
Mass battery chargers are designed for the toughest conditions for professional, semi-professional, and recreational purposes. Even under the most extreme conditions, the products from the Mass series operate faultlessly, giving you round-the-clock output when necessary. The sustainability and technologies underpinning the Mass concept have long been proven. With an MTBF of 180,000 hours at full capacity and 24/7 use, the Mass products are ideal for the toughest tasks and any situation that requires a reliable power supply.
Powerful selling points:
- Designed for the most difficult conditions.
- Lightweight, stainless steel, anodized aluminum casing.
- Coating of internal components prevents damage from dampness or condensation to ensure a longer lifespan.
- Insensitive to electromagnetic effects from other devices.
- Suitable for every type of battery, it also charges flat batteries.
- It is delivered as standard with a temperature sensor.
- Full power at temperatures of up to 45 degrees.
- Load capacities from 80 to 1000 Ah or more.
- Stable and ripple-free power supply, even without batteries.
- The Current Control function prevents the breakdown of fuseswhen the voltage drops.
- Parallel switching is possible using multiple battery chargers.
- Connections in accordancewith CE, ABYC A-31 and IEC60945.
- GMDSS models and panels available.
- Certified by RRR, RMRS (does not apply to 24/75 120 V).
- Certified by DNV GL (only 24/25, 24/50, 24/75, 24/75 (120 V), 24/100 models).
GMDSS Compatible
The Mass series are designed for the most demanding situations. To help you comply with SOLAS regulations, all Mass battery chargers are GMDSS compatible. GMDSS stands for Global Maritime Distress and Safety System and allows users to monitor various alarm functions. GMDSS versions of the Mass 24/25 DNV, Mass 24/50, Mass 24/75, Mass 24/100, and Mass 24/100-3ph are available.
A separateremote panelis available, which is compatible with all Mass battery chargers.
A single front display with GMDSS remote panel is available for:
- Mass 24/25-2 DNV
- Mass 24/50-2
- Mass 24/75, Mass 24/100, Mass 24/100-3ph
Charging Lithium Ion batteries
Although Lithium Ion batteries are increasingly popular, there can be a lack of clarity when it comes to the charging process. This is not a problem with Mastervolt as the Mastervolt battery chargers communicate directly with the Lithium Ion battery via the integrated MasterBus (or have been adapted to the required charging voltages).
MasterBus compatible
Mass battery chargers can be easily connected to a MasterBus network with only one cable and one connection. You can also choose central, local, or remote monitoring, configuration, and control of your system.
Made tough by smart design
The certified Mass battery chargers are very strong and designed to withstand heavy vibrations and shocks. Their premium quality components meet the highest possible specifications, while the smart and extra robust mounting adds to the professional end result.
Specifications:
- Nominal output voltage: 24v
- Total charge current: 25a at 28.5v
- Number of battery outlets: 2
- Charge current second output: 2a
- Battery bank size: 50-250 ah
- Nominal input voltage: 230v (180-265v), 50/60 Hz
- Power supply mode: Yes
- Galvanic isolation: Yes
- Display/read-out: LED display
Mastervolt Mass 24/25-2 25 Amp 24V Battery Charger delivers dependable charging and stable power for professional, semi-professional, and recreational applications operating in demanding conditions. Designed for marine and other rugged power systems, this Mastervolt battery charger supports a wide range of battery types, can charge flat batteries, and provides ripple-free power even when batteries are not connected.
Built for continuous-duty environments, the Mass 24/25-2 features a lightweight stainless steel and anodized aluminum casing, coated internal components, and construction designed to withstand vibration and shock. Its temperature sensor helps support charging control, while Current Control helps prevent fuse breakdown when voltage drops. The charger can also be connected to a MasterBus network for centralized, local, or remote monitoring, configuration, and control. Parallel operation is supported when additional battery chargers are required.
With GMDSS compatibility across the Mass series, the charger is suited to marine systems where monitoring of alarm functions is required. Mastervolt also supports Lithium Ion battery charging through direct communication with compatible batteries via integrated MasterBus or through adapted charging voltages. The Mass 24/25-2 offers two battery outlets and a dedicated second output, making it a practical choice for reliable 24-volt battery charging and power supply applications.
Key Features
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Rugged construction: Lightweight stainless steel and anodized aluminum casing with coated internal components to help resist dampness and condensation.
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Reliable continuous operation: Designed for demanding conditions, vibration, shock, and round-the-clock use.
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Versatile charging: Suitable for every type of battery and capable of charging flat batteries.
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Stable power supply: Provides ripple-free power even without batteries connected.
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System integration: MasterBus compatibility enables monitoring, configuration, and control through a single network connection.
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Advanced control: Includes a temperature sensor, Current Control function, galvanic isolation, and parallel switching capability.
Product Details
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Brand: Mastervolt
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Model: Mass 24/25-2
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Part number: 40020256
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Nominal output voltage: 24 volts
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Total charge current: 25 amps at 28.5 volts
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Battery outlets: 2
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Second output charge current: 2 amps
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Recommended battery bank size: 50–250 Ah
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Nominal input: 230 volts, 180–265 volts, 50/60 Hz
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Power supply mode: Yes
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Galvanic isolation: Yes
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Display: LED display
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Compatibility: MasterBus and GMDSS compatible
Choose the Mastervolt Mass 24/25-2 for dependable 24-volt charging, stable power delivery, and rugged system integration in demanding applications.
SEO Meta Description: Mastervolt Mass 24/25-2 25 Amp 24V battery charger with MasterBus, GMDSS compatibility, two outlets, and rugged continuous-duty design.
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| Truck Freight: No |
| Oversized: No |
| Owners Manual Url: https://productimageserver.com/literature/ownersManual/97572OM.pdf |
