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The Victron Buck-Boost 50A DC-DC Converter charges a 12V or 24V service battery from a vehicle with an intelligent alternator.
Buck-boost means it works in both directions, raising the voltage when the alternator output is low and lowering it when high. That is what a Euro 5 or Euro 6 alternator demands, since it varies its output for fuel economy rather than holding a fixed charging voltage. A converter that could only step up would fail whenever the alternator went high.
Without it, a service battery connected directly to an intelligent alternator never reaches full charge. The alternator drops its voltage as soon as the starting battery is satisfied, and the auxiliary bank sits at whatever the vehicle decides is efficient rather than what it needs.
Fifty amps suits a substantial auxiliary bank rather than a maintenance connection. It conditions the supply so the battery receives a proper charging profile regardless of what the vehicle is doing. Explore more DC-DC converters and power supplies.
The Victron Buck-Boost 50A DC-DC Converter charges a 12V or 24V service battery from a vehicle with an intelligent alternator.
Buck-boost means it works in both directions, raising the voltage when the alternator output is low and lowering it when high. That is what a Euro 5 or Euro 6 alternator demands, since it varies its output for fuel economy rather than holding a fixed charging voltage. A converter that could only step up would fail whenever the alternator went high.
Without it, a service battery connected directly to an intelligent alternator never reaches full charge. The alternator drops its voltage as soon as the starting battery is satisfied, and the auxiliary bank sits at whatever the vehicle decides is efficient rather than what it needs.
Fifty amps suits a substantial auxiliary bank rather than a maintenance connection. It conditions the supply so the battery receives a proper charging profile regardless of what the vehicle is doing. Explore more DC-DC converters and power supplies.
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