Mastervolt Mass 48/50 230 V battery charger

The Mastervolt Mass 48/50 230V charger delivers a total charging current of 50 A at a voltage of 57 V.

This charger is compatible with a wide range of batteries, including Gel, AGM, Wet (flooded lead-acid), and Lithium Ion batteries.

The recommended battery capacity range is 100 to 500 Ah, but it can be extended from 80 to 1000 Ah or more.

Yes, the Mastervolt Mass 48/50 230V charger can provide a stable, ripple-free 48 V power supply even without batteries, acting as a power supply.

It uses an automatic 3-stage+ IUoUo charging characteristic to optimize charging for different battery types.

The charger measures 420 x 318 x 130 mm (height x width x depth) and weighs 7.7 kg.

Yes, its lightweight housing made of stainless steel and anodized aluminum is designed to withstand intense vibrations and shocks, making it perfectly suited for demanding marine and professional applications.

The nominal input is 230 V, but the charger accepts a voltage range of 180 to 265 V at a frequency of 50/60 Hz.

Yes, this charger is specifically designed to charge fully discharged batteries.

The charger must be installed in a well-ventilated area, protected from rain, snow, splashes, steam, bilge water, humidity, and dust.

Ambient temperature must be between 0 and 60°C (32 and 140°F). Note that power reduction may occur above 40°C (104°F) to maintain internal temperature.

A recommended minimal tool kit includes:

A 13 mm socket wrench to secure DC input cables (battery).A Phillips screwdriver to open the charger’s connection area.A 2 mm flathead screwdriver for the sensing terminal.

If you are using a battery isolator, which can cause a voltage drop of 0.6 V, you can compensate for this loss by setting DIP switch 4 (Diode) to the "On" position on the charger.

Yes, the charger is equipped with two MasterBus data ports, allowing it to connect to a local data network with other Mastervolt devices for integrated monitoring and control.

The charger is fitted with internal DIP switches to adjust certain charging parameters. For example, DIP switch 3 can be set to "on" to increase float voltage for certain Gel/AGM batteries.

Yes, the charger is equipped as standard with a second 3A charging output. This output is designed to provide a trickle charge to a small secondary battery, such as a starter battery.

Default charging voltages at 25°C are:

For flooded batteries: 57 V in Bulk and Absorption, 53 V in Float. For Gel/AGM batteries: 57 V in Bulk and Absorption, 55.2 V in Float.

The charger is equipped with LED indicators on the front panel that light up red to indicate various fault conditions, such as a battery detection error, excessive internal temperature, a short circuit, or a DC voltage error.

The charger is supplied with:

A battery temperature sensor (with cable and plug). Four screws/bolts (Ø 6mm) with plugs for mounting the enclosure on a surface. The AC and DC cables, as well as the DC fuse holder, are not included and must be provided separately.

The charger provides a temperature-compensated voltage charge compensation of -0.060 V/°C by default, adjustable within a range of -1.000 to 1.000 V/°C, to optimize charging based on battery temperature.