1. Sarrera
This manual provides essential information for the safe and efficient operation of your Xantrex Freedom 458 Inverter/Charger, model 81-2010-12. The Freedom 458 is a robust power solution designed to convert DC battery power into AC household power and to charge your batteries from an AC source. It is suitable for various applications, including recreational vehicles (RVs) and marine environments.
Please read this manual thoroughly before installation and use to ensure proper functionality and to prevent damage to the unit or connected equipment.

Image: Xantrex Freedom 458 Inverter/Charger product banner, showing the brand logo and model name.
2. Ezaugarri nagusiak
The Xantrex Freedom 458 Inverter/Charger offers a range of features designed for reliable power management:
- Modified Sine Wave (MSW) AC Power Inverter: Provides AC power with high surge capability for various appliances.
- 3-S automatikoatage Battery Charger: Ensures optimal charging of deep-cycle batteries, extending their lifespan.
- Temperature Compensation with Equalization Stage: Optimizes charging based on battery temperature and allows for periodic equalization to prevent sulfation.
- Built-in Transfer Switch: Automatically switches between inverter power and incoming AC shore power or generator power.
- Potentzia partekatzea: Prevents tripping of the source AC input circuit breaker by reducing the charge current when AC loads are high.

Irudia: Aurrealdea view of the Xantrex Freedom 458 Inverter/Charger, showing the main connections and control panel area.
3. Konfigurazioa eta instalazioa
Proper installation is crucial for the safe and efficient operation of your inverter/charger. It is recommended that installation be performed by a qualified technician.
3.1 Segurtasun-neurriak
- Always disconnect all power sources (AC and DC) before installing or servicing the unit.
- Ensure adequate ventilation around the inverter/charger to prevent overheating.
- Install in a dry, protected area, away from flammable materials and corrosive fumes.
- Use appropriate wire gauges and circuit protection as specified in the full installation guide.
3.2 Muntaketa
Mount the unit securely to a solid surface. Ensure there is sufficient clearance for wiring and airflow. The unit can be mounted horizontally or vertically, but refer to the detailed installation manual for specific orientation guidelines and mounting hardware requirements.
3.3 Konexio elektrikoak
- Bateria konexioak: Connect the DC input cables to the battery bank, observing correct polarity. Ensure connections are tight and secure.
- AC sarrerako konexioa: Connect the incoming AC shore power or generator input to the designated AC input terminals.
- Korronte alternoko irteerako konexioa: Connect your AC loads or distribution panel to the AC output terminals.
- Lurreratzea: Properly ground the inverter/charger chassis to the vehicle or boat's grounding system.
- Urruneko kontrola (aukerakoa): If using a remote control panel, connect it to the designated port.

Irudia: Angelua view of the Xantrex Freedom 458 Inverter/Charger, showing the side ventilation and terminal connections.
4. Funtzionamendu-argibideak
Once installed, the Freedom 458 operates largely automatically. However, understanding its modes and controls is beneficial.
4.1 Potentzia moduak
- Inbertsore modua: When no external AC power is present, the unit converts DC battery power to AC power for your appliances.
- Kargagailu modua: When external AC power is connected, the unit charges the battery bank using its 3-stage kargatzeko algoritmoa.
- Transferentzia modua: The built-in transfer switch automatically passes incoming AC power directly to your loads, bypassing the inverter, and simultaneously charges the batteries.
4.2 Control Panel (if applicable)
If your system includes a remote control panel, it allows monitoring of system status, battery voltage, charge current, and AC input/output. It may also provide controls for adjusting settings like charge parameters or enabling/disabling the inverter/charger functions.

Image: A remote control panel for Xantrex inverters, showing various display readings and control buttons for setup, charge, invert, and power share functions.
4.3 Power Sharing Feature
The Power Sharing feature allows you to limit the total AC current drawn from the shore power or generator. This prevents overloading and tripping of the input circuit breaker, especially when operating high-power appliances. When Power Sharing is active, the charger automatically reduces its output to prioritize AC loads.
5. Mantentzea
The Xantrex Freedom 458 Inverter/Charger is designed for minimal maintenance. Regular checks can help ensure long-term reliability.
- Aireztapena: Ensure that the ventilation openings are clear of obstructions. Periodically clean dust and debris from the unit's exterior.
- Konexioak: Annually inspect all electrical connections (DC and AC) for tightness and corrosion. Loose connections can cause overheating and poor performance.
- Bateria mantentzea: Follow the battery manufacturer's recommendations for maintenance, including checking electrolyte levels (for flooded batteries) and terminal cleanliness.
- Ingurumena: Ziurtatu funtzionamendu-ingurunea tenperatura eta hezetasun-tarte jakin batzuen barruan mantentzen dela.
6. Arazoak
This section provides basic troubleshooting steps for common issues. For more complex problems, contact Xantrex customer support or a qualified technician.
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| No AC output from inverter |
|
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| Bateriak ez dira kargatzen |
|
|
| Unitateak zarata ezohikoa egiten du |
|
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7. Zehaztapenak
Below are the key technical specifications for the Xantrex Freedom 458 Inverter/Charger (Model 81-2010-12):
| Ezaugarri | Xehetasuna |
|---|---|
| Marka | Xantrex |
| Ereduaren izena | Askatasuna 458 |
| Modelo zenbakia | 81-2010-12 |
| Wattage | 2000 watt |
| Irteerako potentzia gailurra | 2500 watt |
| Sarrera boltage | 12 voltio DC |
| Irteera boltage | 120 volt AC |
| Electrical Output Waveform | Uhin Sinusoidal Aldatua |
| Maiztasuna | 60 hertz |
| Bateria kargagailua | 3 s automatikoatage |
| Elementuaren neurriak (L x W x H) | 13.2"L x 11.5"Z x 7.9"A |
| Elementuaren pisua | 55.6 kilo |
| Gomendatutako Erabilerak | Aisialdirako ibilgailua, itsasontzia, Camping, Travel, Household appliances |
8. Bermea eta Laguntza
8.1 Bermearen informazioa
The Xantrex Freedom 458 Inverter/Charger comes with a manufacturer's warranty. Please contact Xantrex directly or refer to the official warranty documentation for full details regarding coverage, terms, and conditions. For issues within 30 days of receipt, please contact your retailer.
8.2 Bezeroarentzako laguntza
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact Xantrex customer support. You can typically find contact information on the Xantrex official webgunean edo ontziratze-materialetan.
Online resources, including FAQs and detailed product manuals, may also be available on the Xantrex webgunea.





