MasterVolt 700 watt 12V Inverter

Power whenever and wherever you need it with the MasterVolt 700 watt 12V Inverter. Built on proven true sine wave technology that has earned trust in harsh conditions for over 25 years, this compact inverter converts your 12-volt battery energy into clean, reliable 230V AC power suitable for sensitive electronics and everyday appliances on boats, in caravans, or off-grid setups.

• True sine wave output ensures smooth, stable power for laptops, TVs, routers, medical devices, and other sensitive electronics.
• Strong, reliable performance with continuous power up to 1700 W and peak capability under demanding conditions (1 minute up to 810 W; 1 second up to 1230 W).
• Automatic power saving mode minimizes drain on your battery during idle periods for extended runtime.
• Compact, lightweight design (200 x 330 x 83 mm; 2.7 kg) saves valuable installation space and simplifies mounting.
• Built-in protection against over-temperature, overload, short circuit, and high/low battery voltage; IP21 rated for safe horizontal wall mounting.
• Quiet operation with a variable-speed fan that adapts to load, staying discreet at low power draws.
• Flexible output and plug options including selectable 200/220/230/240 V at 50/60 Hz; NZ/AU plug version (code 28410700).
• Battery and wiring considerations – recommended battery capacity of ≥100 Ah; practical input current around 70 A; minimal DC fuse 100 A and minimum cable size 25 mm².
• Display and alarms – LED indicators show battery voltage, load level, and status; potential-free alarm contact for remote monitoring.
• Remote control option available for instant switch-off of the inverter and all connected equipment (not available for the 300 W and 500 W models).
• MasterBus note – not compatible with MasterBus systems.
• Efficient and safe operation – high-frequency, fully isolated input/output for clean power delivery.

Key specifications

• Output voltage: 200/220/230/240 V – 50/60 Hz (selectable)
• Output waveform: True sine
• Nominal battery voltage: 12 V
• Recommended battery capacity: ≥ 100 Ah
• Continuous power: 1700 W (at 25°C / 77°F) with cos φ specified
• Continuous power: 1700 W (at 40°C / 104°F)
• Peak load: < 810 W (1 minute); < 1230 W (1 second)
• AC connection: NZ/AU plug (code 28410700)
• Efficiency: ~91%
• Display/read-out: LED battery voltage, load level, status
• Alarms: potential-free alarm contact
• Dimensions (H x W x D): 200 x 330 x 83 mm
• Weight: 2.7 kg
• Protection: IP21; protected against over-temperature, overload, short circuit, high/low voltage, reverse polarity (fuse)
• Cooling: temperature- and load-controlled fan
• Input current (nominal load): 70 A
• No-load power consumption (ON mode): < 1.5 A
• No-load power consumption (energy-saving mode): < 0.1 A
• Minimum DC fuse: 100 A
• Minimum cable size: 25 mm²
• Harmonic distortion: typical < 5%
• Cos φ power factors allowed
• Temperature range (ambient): -20°C to 60°C; derates above 40°C
• Protection: over-temperature, overload, short circuit, high/low voltage, reverse polarity (fuse)
• Shipped directly from our local supplier
• Product code: MV-28410700; NZ code MV-28410700J (dated 20.07.22)

Who is this ideal for?

Whether you’re outfitting a marine cabin, an RV, a remote off-grid shelter, or a backup power solution for critical devices, the MasterVolt 700W inverter is designed to be dependable when it matters most. It suits adventurers who need a reliable, clean power source for laptops, tablets, small tools, TVs, and household essentials, plus boaters and campers who require a compact unit that won’t strain space or weight allowances.

Useful guidance and practical tips

To maximize performance, pair the 700W inverter with a robust 100 Ah+ 12V battery bank and use cables of at least 25 mm² to keep voltage drop minimal at higher draw. The true sine wave output helps protect delicate electronics from ripple and surges, reducing wear and preserving your devices’ longevity. If you plan to monitor power remotely, consider the compatible remote control option for quick shutdowns in emergencies or when leaving equipment unattended. Remember, this model is not MasterBus compatible, so plan your system architecture accordingly.