Mastervolt AC Master 12/700 (120V) Inverter
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Mastervolt AC Master 12/700 (120V) Inverter
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Mastervolt AC Master 12/700 (120V) Inverter – Reliable Power for Your Adventures
The Mastervolt AC Master 12/700 (120V) Inverter delivers dependable AC power for recreational and semi-professional use. This affordable sine wave inverter seamlessly converts 12V battery voltage into reliable 120V grid power, making it the perfect solution for automotive and RV applications.
Featuring:
- High-Quality Sine Wave Output: Enjoy smooth operation and compatibility with sensitive electronics, ensuring your devices receive clean and stable power.
- Compact and Lightweight Design: Its compact dimensions make it easy to transport and install, fitting effortlessly into your RV or automotive setup.
- Durable Construction: Built to withstand the rigors of outdoor and mobile environments, providing long-lasting performance wherever your adventures take you.
Perfect for campers, boaters, and outdoor enthusiasts who need reliable power on the go, this inverter is backed by a commitment to quality and performance. Whether you're powering appliances, tools, or electronics, the Mastervolt AC Master 12/700 ensures you're never left in the dark.
Invest in your convenience today and experience the freedom of dependable power wherever you are!


Mastervolt AC Master 12/700 (120V) Inverter
Mastervolt AC Master 12/700 (120V) Inverter offers reliable AC power tailored for recreational and semi-professional use. This affordable sine wave inverter converts 12V battery voltage into dependable 120V grid power, making it perfect for various applications when traditional grid power is unavailable.
Key Features:
- Pure Sine Wave Technology: Protects sensitive equipment, ensuring optimal operation without interference.
- High Peak Power: Delivers full output even under demanding conditions, maintaining performance up to 1230W peak load.
- Automatic Power-Saving System: Extends runtime, making it ideal for long-term use in outdoor settings.
Ideal for both home and mobile applications, this inverter is supported by robust safety features, including protection against over-temperature, overload, and short circuits. With an efficiency rating of 91% and a compact design, the AC Master 12/700 guarantees quality and satisfaction for all your power needs.

AC Master 12/700 (120V) Inverter
Reliable AC power for recreational and semi-professional use.
These affordable sine wave inverters convert 12 or 24 V battery voltage into reliable 230 V 50/60 Hz or 120 V 50/60 Hz grid power, making them ideal for recreational and semi-professional applications. The AC Master series is easy to install and delivers full output, even under the most demanding conditions. Pure sine wave technology provides an outstanding power quality, ensuring the correct functioning of sensitive equipment. The usage of high-frequency switching technology eliminates any annoying humming and buzzing sounds.
Representing complete value for money, these ruggedly built inverters provide essential home comforts when you’re far from the nearest grid connection.
Features:
- Pure sine wave technology protects sensitive equipment.
- Delivers full output at high peak power under the most demanding conditions.
- Automatic power-saving system for extended runtime.
- Compact and lightweight design, saving valuable installation time.
- Reliable and safe operation; protected against over-temperature, overload, short circuit, high or low battery voltage.
- Variable-speed fan for quiet operation at low power.
- Optional remote control for instant switch-off of the inverter and all connected equipment (not available for the 300 and 500 W models).
- Convenient plug connection for all models, 2500/3500 Watt models also hard-wired.
Applications:
- Both recreational and semi-professional use, where grid power varies or is unavailable. Applications include lighting, appliances, electric cooking, and power tools. For (mobile) applications in your home, office, or service vehicle, or during your holidays.
General Specifications:
- Output voltage: 100/110/115/120 V – 50/60 Hz (selectable)
- Output waveform: True sine
- Nominal battery voltage:12V
- Recommended battery capacity: ≥ 100 Ah
- Continuous power at 25 °C / 77 °F, cos phi 1: 700 W
- Continuous power at 40 °C / 104 °F, cos phi 1: 700 W
- Peak load (1 min.): < 810 W
- Peak load (1 s): < 1230 W
- AC connection: North American socket with GFCI
- Galvanic isolation: Yes
- Efficiency: 91%
- Display/read-out: LED indication: battery voltage, load level, status
- Alarms: Potential free alarm contact
- Dimensions, hxwxd: 200 x 330 x 83 mm/7.9 x 13.0 x 3.3 inc
- Weight: 2.6 kg/5.7 lb
- Compliance: Safety: ABYC A31, UL 458, EMC: FCC class B
Technical Specifications:
- Technology: high frequency, input & output fully isolated
- Low battery voltage, switches off at 10.5 V
- Low battery voltage, switches on at 12.5 V
- High battery voltage, switches off at 16.5 V
- High battery voltage, switches on at 14.5 V
- 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
- Minimal DC fuse (slow blow): 100 A
- Minimal cable size: 25 mm²
- Harmonic distortion typical: < 3 %
- Cos phi: All power factors allowed
- Temperature range (ambient temp.): -20 °C to 60 °C, derating power > 40 °C/-4 °F to 140 °F
- Cooling: Temperature and load controlled fan
- Protection degree: IP21, horizontal wall mounting
- Protections: Over-temperature, overload, short circuit, high/low voltage, reverse polarity (fuse)
- MasterBus compatible: Yes, using a MasterBus AC Master Interface
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Shipping Policy
Thank you for choosing Outdoors.Supply. We aim to deliver your gear efficiently and reliably.
Carriers
We ship all orders via UPS Ground or FedEx Ground, depending on availability and destination.
Shipping Rates
- Orders under $150: Flat shipping rate of $15
- Orders $150 and above: Free shipping
Note: A handling fee of $7.50 may apply to certain items. If applicable, it will be clearly stated during checkout.
Order Processing
- Orders placed before 12:00 PM ET (Monday–Friday): Processed the same business day
- Orders placed after 12:00 PM ET or on weekends/holidays: Processed the next business day
Delivery Time
All orders are delivered within 3–7 business days from the date of shipment, depending on your location.
For any questions or concerns about your order, please contact us at [hello@outdoors.supply]. We’re here to help!
Discover more in our FAQ
How long does it take to process an order?
All orders are processed the same business day if placed before 12 PM EST. Orders placed after 12 PM EST are processed the following business day.
Do you ship internationally?
No! Currently we are only supporting shipments to contiguous United States. We do not ship to PO Boxes or Internationally.
What is your return policy?
No Returns
Due to the nature of our products and our commitment to ensuring the highest quality standards, we do not accept any returns under any circumstances.
No Refunds
We do not offer refunds for any reason, including but not limited to:
- Change of mind
- Incorrect size or style ordered
- Delayed shipping
- Product dissatisfaction
Please refer to our Refund Policy
What are your sizing options?
We have a size chart displayed on most products to reflect the sizing as accurate as possible. Please review the size chart and ensure you are leveraging the closest size possible.
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