Votronic Battery Charger VBCS 45/30/600 Triple HV CI 3271

Votronic Battery Charger VBCS 45/30/600 Triple HV CI 3271

The Votronic VBCS 45/30/600 Triple HV CI (MPN 3271) is a fully automatic combination device with three charging sources for motorhomes and special vehicles: mains charger, B2B charging converter (booster), and MPPT solar controller work together in one compact unit. This reliably supplies the leisure battery and 12V consumers depending on the situation – on shore power (110–230 V AC), while driving, or in solar mode. Practical for long periods of inactivity: a secondary charging branch (12 V / 4–5 A) for maintaining and trickle charging the starter battery, as well as characteristics for continuous operation.

Three charging sources – one control center

In everyday life, you constantly switch between parking, driving, and self-sufficiency. This is exactly what the VBCS Triple is designed for: It automatically coordinates the energy supply from the mains, alternator, and solar, ensuring that the battery is charged with the appropriate characteristic curve – without you having to constantly change settings.

Mains operation: globally usable, stable for consumers

Via the universal wide range 110–230 V AC, the device operates without switching and remains usable even with deviations in the mains supply (undervoltage/overvoltage, sine wave, frequency). In addition to efficiently charging the leisure battery, it takes over the supply of 12V consumers from the mains. A secondary charging branch 12 V / 4–5 A is available for the starter battery – useful for long periods of inactivity (e.g., winter break).

Driving mode: B2B booster for modern alternators

The integrated charging converter (Battery-to-Battery) brings the voltage to the required level to precisely charge the leisure battery with its optimal characteristic curve. It compensates for line losses and balances voltage fluctuations of modern alternators (e.g., Euro 6). At the same time, co-supplied 12V consumers are protected against overvoltage and strong fluctuations.

Solar operation: MPPT for best possible yield + AES

In solar operation, MPPT/MPP technology determines the optimal operating point of the modules several times per second. This can result in a charging current gain of 10% to 30%, depending on conditions, which can shorten charging times. Additionally, an AES switching output is available, which can automatically switch compatible AES refrigerators (Automatic Energy Selector) from gas to 12V operation in case of a continuous high solar surplus.

Battery training, protection functions and power supply mode

For lead-acid batteries, a pulser/battery training is integrated, which can counteract sulfation during longer charging breaks. The charging process is regulated so that the voltage remains spike-free and overcharging is excluded. This is complemented by comprehensive protection mechanisms (including against overload, overheating, overvoltage, short circuit, and reverse discharge). Also practical: the power supply function, which allows consumers to be supplied even without a connected battery (e.g., when changing batteries). A vehicle electrical system filter facilitates parallel operation with other charging sources.

Charging programs for Gel, AGM, Lead-Acid and LiFePO4

Depending on the battery, you can choose suitable characteristic curves, including for Gel, AGM, Lead-Acid/Wet (DIN 0510), UNIVERSAL, and LiFePO4. The temperature sensor (included in delivery) enables automatic adjustment of the charging voltage to the battery temperature. For LiFePO4, battery protection at low temperatures (below 0 °C) is particularly relevant if the battery temperature can drop accordingly during operation.

Your advantages at a glance

• Three charging sources in one device: mains, B2B/driving, and solar (MPPT)
• Universal wide range 110–230 V AC without switching – ideal for travel
• Secondary charging branch 12 V / 4–5 A for starter battery maintenance during downtimes
• MPPT control with possible charging current gain of 10 % to 30 %
• AES switching output for compatible refrigerators with solar surplus
• Pulser/battery training to protect lead-acid batteries during charging breaks
• Extensive protection functions + power supply mode for consumer operation without battery
• Multiple charging programs including LiFePO4, plus temperature compensation via sensor

If you are looking for a robust, fully automatic solution that combines mains, driving, and solar charging in one device, considers both starter and leisure batteries, and offers additional features such as MPPT, AES, and power supply function, the Votronic VBCS 45/30/600 Triple HV CI is a very suitable choice for your mobile electrical system.