Victron Energy MultiPlus II 48V 5000VA 70A-50A Inverter/Charger

The Victron Energy MultiPlus II 48V 5000VA 70A-50A is a powerful and versatile inverter/charger designed for professional and residential energy systems. Combining a 5000VA pure sine wave inverter, a 70A battery charger, and a 50A AC transfer switch, it delivers reliable power conversion and management for off-grid, grid-tie, and hybrid applications. With advanced PowerAssist technology, it prevents overloads by supplementing generator or grid power with battery power. The unit supports parallel and three-phase configurations for scalability.

Advantages

High efficiency (95%) and low zero-load power (18W) reduce energy waste. The built-in VE.Bus communication interface enables seamless integration with other Victron devices and remote monitoring. The rugged IP22 enclosure ensures durability in demanding environments.

Suitable for

• Off-grid solar systems
• Backup power for homes and businesses
• Marine and mobile applications
• Grid-tie systems with anti-islanding

Key specifications

• Nominal DC Input: 48V (range 38-66V)
• AC Output: 230VAC, 5000VA / 4000W continuous, 9000W peak
• Max Battery Charge Current: 70A
• AC Transfer Switch: 50A
• Output Waveform: Pure Sine Wave
• Max Efficiency: 95%
• Zero-load Power: 18W
• AC Input Range: 187-265VAC, 45-65Hz
• Communication: VE.Bus, AUX, Temp Sensor, Voltage Sensor
• Parallel & Three-phase: Yes
• PowerAssist: Yes
• Protection Rating: IP22
• Operating Temperature: -40 to +65°C
• Battery Compatibility: Lead-acid (Flooded, GEL, AGM), LiFePO4

Recommendations

For optimal performance, pair with Victron Energy batteries and a Color Control GX for system monitoring. Ensure proper ventilation and use appropriate cable sizes for high-current connections.