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Argofet 200-2 Victron Energy Battery Isolator (200A)– is a field effect (FET) battery isolator that allows you to simultaneously charge 2 batteries from one source (generator or charger) without connecting them together.
Unlike classic diode isolators, Argofet uses solid-state components (MOSFET), which ensures virtually zero voltage drop – <0.02 V at low currents and ~0.1 V at high.
This means maximum charging efficiency without the need to increase the generator voltage – key advantage compared to diode models.
Key advantages of the Argofet 200-2 battery isolator
- Simultaneous charging of 2 batteries without connecting them together
- Voltage drop <0.1 V – higher efficiency than diode models
- Starting battery protection – does not discharge when consumers operate from another battery
- Energize input – the generator starts even with an isolator
- Compact size – convenient for marine and automotive systems
- Passive device – maintenance-free
- Compatible with 12 V and 24 V systems
Technical specifications
- Article: ARG200201020 (R)
- Number of batteries: 2
- Nominal system voltage: 12 V / 24 V
- Maximum charging current: 200 A
- Maximum generator current: 200 A
- Connection type: M8 screw terminals
- Dimensions (mm): 65 x 120 x 200
- Weight: 1.4 kg
- Voltage drop: <0.02 V (low currents), ~0.1 V (high currents)
- Generator excitation input support (D+ 61): yes
- Temperature range: industry standard
Usage scenarios
- Cars and campers – separation of starting and service batteries
- Small vessels, yachts, boats – starting and residential batteries
- Backup power in telecommunications and office
- Systems with LiFePO₄ or AGM batteries with high efficiency
- Charging from a solar inverter or generator with minimal losses
Technological features
- Solid-state switching – MOSFET-isolator instead of diodes
- Low heat dissipation – due to low voltage drop
- Generator excitation input – supplies power to B+, even in the presence of insulation
- Compactness – only 20 cm long
- Maximum charging efficiency