XANTREX 81-0205-12 Heart Interface Inverter Charger Vac 213 Charger. 12V 120 2000W

( Brand: Xantrex ), ( Manufacturer Part Number: 81-0205-12 ), ( Part Type: Interface Inverter Charger ), ( Input Voltage: 12v ), ( Features: Dc/ac, On/off Switch, Short Circuit Protection, Over Battery Voltage Protection, Overheating Protection ), ( Rms Power: 2000w ), ( Output Voltage: 120v )

Review XANTREX 213 Heart Interface Freedom Inverter Charger. 12v Input Provides 120 Vac

The **Xantrex 81-0205-12 213 Heart Interface 20 Inverter Charger** is a robust, high-performance hybrid power solution designed to seamlessly integrate with solar, wind, or grid power systems while delivering reliable 120V AC power to sensitive electronic devices. Built with Xantrex s legendary durability and precision engineering, this 2000-watt inverter/charger combines a pure sine wave inverter with a sophisticated battery charger, creating a compact yet powerful unit capable of handling demanding applications in off-grid, backup, or renewable energy setups. The **213 Heart Interface** technology ensures smooth transitions between AC and DC power sources, minimizing disruptions to connected electronics whether running a home office, medical equipment, or critical appliances by maintaining a stable, clean power output free from harmonic distortions. With a robust **12V DC input** and a **2000W continuous output**, this inverter/charger excels in powering everything from refrigerators and laptops to power tools and small HVAC systems, making it an ideal choice for RVs, cabins, marine applications, or as a backup power station for residential or commercial use.

One of the standout features of this unit is its **intelligent charging algorithm**, which optimizes battery life by dynamically adjusting charging currents based on battery type (lead-acid, AGM, or lithium) while preventing overcharging, sulfation, or deep discharges. The **pure sine wave output** ensures compatibility with all sensitive electronics, from medical devices to high-end audio equipment, eliminating the risk of damage or malfunction that can occur with modified sine wave inverters. The **213 Heart Interface** further enhances reliability by continuously monitoring power sources and automatically switching between grid, generator, or renewable energy inputs without interruption, ensuring uninterrupted operation during power outages or grid fluctuations. Compact yet ruggedly constructed, this inverter/charger is built to withstand harsh environments, featuring a durable enclosure that protects internal components from dust, moisture, and temperature extremes, making it suitable for both indoor and outdoor installations.

For users seeking a versatile and high-efficiency power solution, the **Xantrex 81-0205-12** also includes advanced safety features such as **overload protection, short-circuit prevention, and temperature monitoring**, which help extend the lifespan of both the inverter and connected batteries. Its **user-friendly interface** provides clear LED indicators for real-time status updates, including battery voltage, load current, and power source selection, allowing operators to easily manage their energy system. Whether used as a standalone backup power unit or integrated into a larger solar or hybrid energy system, this inverter-charger delivers exceptional performance, efficiency, and reliability, making it a top-tier choice for those who demand dependable power in any setting.

### **Pros and Cons of the Xantrex 81-0205-12 (213 Heart Interface 20 Inverter Charger, 12V, 120VAC, 2000W)**

1. **Reliable Brand Reputation** Xantrex (now part of Victron Energy) is a well-established manufacturer known for durable and high-quality power systems, particularly in off-grid and marine applications.

2. **Pure Sine Wave Output** The 2000W inverter produces a clean, pure sine wave, which is safer and more compatible with sensitive electronics (e.g., laptops, medical devices, and appliances with motors) compared to modified sine wave inverters.

3. **Built-in Charger** The unit includes a 20A MPPT (Maximum Power Point Tracking) charger, which efficiently charges 12V batteries (AGM, Gel, or flooded) while maximizing solar panel output. This eliminates the need for a separate charger.

4. **Remote Monitoring & Control** The "213 Heart Interface" allows for remote monitoring via Bluetooth or wired connections, enabling users to track battery voltage, load current, and inverter status. This is useful for off-grid setups where physical inspection is difficult.

5. **Good for Off-Grid & RV Use** The 2000W output is sufficient for powering essential appliances (refrigerators, lights, small tools, and computers) in cabins, RVs, boats, or backup power systems.

6. **Compact & Portable** The unit is designed for space efficiency, making it suitable for tight installations (e.g., under RV beds, marine applications, or small cabins).

7. **Overload & Short-Circuit Protection** Built-in safety features help prevent damage from surges or faults, extending the lifespan of the inverter and connected devices.

8. **Compatibility with Victron Systems** If you use Victron Energy products (e.g., charge controllers, batteries), this inverter integrates well with their ecosystem, allowing for advanced monitoring and control.

---

1. **Limited Power for High-Demand Loads** At 2000W, this inverter struggles with high-wattage appliances like electric heaters, air conditioners, or multiple high-power tools simultaneously. It may require a larger unit (e.g., 3000W ) for heavy-duty use.

2. **No Built-in Transfer Switch** Unlike some inverter/chargers, this model does not include an automatic transfer switch (ATS) for seamless grid-to-backup power switching. You d need to manually switch or use an external relay.

3. **MPPT Charger Limitations** While the 20A MPPT charger is efficient, it may not be optimal for very large solar arrays (e.g., 1000W panels) without additional charge controllers. For small solar setups (e.g., 300W 600W), it works well.

4. **No USB or 12V Outlets** Unlike some modern inverters, this unit lacks dedicated USB ports or 12V DC outlets, which can be inconvenient for charging phones or powering small DC devices.

5. **Price Point** While not excessively expensive, it is more costly than basic square-wave inverters. For basic power needs, a cheaper inverter might suffice.

6. **No Built-in Battery Monitoring** The Heart Interface provides remote monitoring, but it does not include advanced battery management features (e.g., deep-cycle battery tracking) unless paired with Victron s additional software (e.g., VRM).

7. **Installation Complexity** Proper wiring and grounding are critical for safety and performance. Users without electrical experience may need professional assistance, adding to costs.

8. **Limited Lifespan Under Heavy Load** Like all inverters, prolonged operation near maximum capacity (2000W) can reduce lifespan. For continuous high-load use, a larger or more robust unit may be needed.

---

The **Xantrex 81-0205-12 (213 Heart Interface 20 Inverter Charger)** is a **solid mid-range choice** for off-grid, RV, or marine applications where clean power and remote monitoring are priorities. It excels in **efficiency, reliability, and compatibility with sensitive electronics**, making it ideal for small to medium off-grid setups, boats, or as a backup power source for homes. However, it is **not suitable for high-power demands** (e.g., running an AC unit or multiple high-wattage appliances simultaneously). If your needs are modest powering lights, a fridge, laptop, and small tools this inverter delivers excellent value. For heavier loads or more advanced monitoring, consider a higher-wattage model or additional components (e.g., a transfer switch).

---

- You need a **clean, pure sine wave** for sensitive electronics.

- Your power needs are **under 2000W** (e.g., RV living, cabin backup, marine use).

- You want **remote monitoring** via the Heart Interface.

- You already use or plan to use **Victron Energy products** for a cohesive system.

- You prioritize **efficiency** (MPPT charging) and **durability** (Xantrex s reputation).

- You require **automatic transfer switching** (grid-to-backup power).

- You need to run **high-wattage appliances** (e.g., air conditioners, electric heaters).

- You want **dedicated USB or 12V outlets** for small devices.

- Your budget allows for a **higher-wattage model** (e.g., 3000W ) for future-proofing.

- You lack experience with **electrical installations** and need simpler, plug-and-play solutions.

- For **simpler needs**, a **basic 2000W pure sine wave inverter** (without charging) may suffice.

- For **heavy-duty use**, upgrade to a **3000W inverter/charger** (e.g., Xantrex 81-0305-12).

- For **advanced monitoring**, pair this with **Victron s VRM software** and additional sensors.

- For **RV use**, consider a **pre-wired inverter/charger combo** with built-in transfer switching.

Details:

This inverter ensures a safe and efficient power supply for your car electronics GPS systems while on the road. It comes with essential features such as over battery voltage protection, short circuit overheating an on/off switch, and the ability to convert DC AC power. With a 12V input, this inverter provides 120V AC and 2000 W of RMS power, making it suitable for various electronics accessories in vehicles. The Heart Interface Freedom 20 Inverter Charger is a reliable and versatile power inverter designed by Xantrex.

part #: 81020512 prices

• $700.00-$1789.00

specifications powerinverteca:

• brand: Xantrex
• mpn: 81-0205-12
• part type: Interface Inverter Charger
• input voltage: 12v
• features: Dc/ac, On/off Switch, Short Circuit Protection, Over Battery Voltage Protection, Overheating Protection
• rms power: 2000w
• output voltage: 120v

payments powerinverteca:

• credit card: Discover
• wallet: Apple-pay
• other

seller powerinverteca:

• # reviews: 31
• city: Long Beach, California
• rating: 85.7%

general powerinverteca:

• Vehicle Electronics GPS > Car Electronics Accessories > Power Inverters
• condition: Used

offer powerinverteca:

• availability: In Stock
• best offers: True
• options: Ship-to-home
• sold: 0
• quantity: 1
• started: May 16, 2026

shipping powerinverteca:

• carrier: USPS
• class: Standard
• cost: $36.19
• service: USPS Ground Advantage
• type: Calculated
• transit: 5-13 Days

returns powerinverteca:

• policy: No Returns

Xantrex 81-0205-12 Is Similar To:

• Volt Watt 1000 Inverter 24 1000i Power Xantrex Prosine (32.5% similar) Ultra clean pure sine wave power. Prising inverters include a backbit LCD display panel, which can be mounted remotely. This inverter offers superior quality true sine wave output, the prising 1000 and 1800 stand alone inverters are ideally suited for electrical systems that already have a quality ...(February 15th, 2015)
• Heart Battery Remote Monitor 1000v Link Inverter Interface Bank Xantrex (21.1% similar) The link 1000V allows you to program four different battery types. Has built in battery equalize function to extend battery life, you can equalize your battery bank from the front panel by simply pressing two buttons. The RV manufacturers wanted a link 1000 that would fit in the same mounting hole ...(June 3rd, 2015)
• 400-watt Inverter 10500419 Technologies Dra Xantrex Xpower Remy Delco (32% similar) New, never used. Complete installation kit...(May 12th, 2015)
• 110vac Continuous Inverter Xpower Micro 12vdc Xantrex Watts 800 640 Power (33.1% similar) Xantrex power micro 12VDC to 110VAC power inverter 800 condition guaranteed good working condition...(February 13th, 2015)
• Box 120volt Watt Xantrex 1800 Inverter 12volt Pro (38.9% similar) Happy buying. Performance features 1000 1800W inverter easily powers TVs, small appliances, and other electronics built in 15A circuit breaker to protect Gucci connected loads up to 15A 20A pass through for hardwired loads for XM1000 XM1800 respectively digital remote control displays power output, ...(February 28th, 2015)
• 17747734 Xantrex Freedom Hfs Inverter Charger Pure Sign Wave 715535899400 (49.7% similar) Opened items must be in re-sellable condition including original packaging and all accessories. The freedom HF's is equipped with quick-connect ac terminals, ignition control capability and programmable smart battery management logic. The quick-connect ac terminal on both input and output enables ...(August 5th, 2018)
• 1800-24 Xantrex Xantrax Inverter Sine (36.5% similar) Only items shown in pictures are included, sorry, no other parts or accessories included. Please see pictures for more details. A a function: this item is for parts repair. Cosmetic condition: this item is in rough shape cosmetically. How SCLNK0 lt : there are some scratches, scuffs, and or ...(October 2nd, 2017)
• Freedom Xantrex 1800t Rv Boat 1800 Inverter Apu Battery Truck Cables Hf (30.4% similar) Both model's include an automatic transfer switch and detachable control panel display that provides precise system information and can be mounted wherever you want. Temperature controlled multistage charging batteries are recharged safely and efficiently. With modified sine wave output, freedom hf ...(May 28th, 2015)
• 200-110-01-01 Xantrex 1000w Xpower Inverter (32.2% similar) Brand new 4 units for sale...(June 11th, 2017)
• Xantrex Heart Cruising Board 2000r Interface Circuit Link 2000 Eqipment (40.9% similar) Used circuit board for the link 2000 or 2000 R...(May 30th, 2015)
• 2012gs Rv Xantrex Inverter (25.4% similar) Works great for RV or boat or any out door use great refurbished checked all components out every thing good for years to come...(February 23rd, 2015)